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1

Real Time Grid Reliability Management 2005  

SciTech Connect (OSTI)

The increased need to manage California?s electricity grid in real time is a result of the ongoing transition from a system operated by vertically-integrated utilities serving native loads to one operated by an independent system operator supporting competitive energy markets. During this transition period, the traditional approach to reliability management -- construction of new transmission lines -- has not been pursued due to unresolved issues related to the financing and recovery of transmission project costs. In the absence of investments in new transmission infrastructure, the best strategy for managing reliability is to equip system operators with better real-time information about actual operating margins so that they can better understand and manage the risk of operating closer to the edge. A companion strategy is to address known deficiencies in offline modeling tools that are needed to ground the use of improved real-time tools. This project: (1) developed and conducted first-ever demonstrations of two prototype real-time software tools for voltage security assessment and phasor monitoring; and (2) prepared a scoping study on improving load and generator response models. Additional funding through two separate subsequent work authorizations has already been provided to build upon the work initiated in this project.

Eto, Joe; Eto, Joe; Lesieutre, Bernard; Lewis, Nancy Jo; Parashar, Manu

2008-07-07T23:59:59.000Z

2

Real-Time Grid Reliability Management PIER Final Project Report  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Grid Reliability Management PIER Final Project Report Real-Time Grid Reliability Management PIER Final Project Report Title Real-Time Grid Reliability Management PIER Final Project Report Publication Type Report Year of Publication 2008 Authors Eto, Joseph H., Manu Parashar, Bernard C. Lesieutre, and Nancy J. Lewis Pagination 62 Date Published 12/2008 Publisher LBNL City Berkeley Keywords consortium for electric reliability technology solutions (certs), energy analysis and environmental impacts department Abstract The increased need to manage California's electricity grid in real time is a result of the ongoing transition from a system operated by vertically integrated utilities serving native loads to one operated by an independent system operator supporting competitive energy markets. During this transition period, the traditional approach to reliability management - construction of new transmission lines - has not been pursued due to unresolved issues related to the financing and recovery of transmission project costs. In the absence of investments in new transmission infrastructure, the best strategy for managing reliability is to equip system operators with better real-time information about actual operating margins so that they can better understand and manage the risk of operating closer to the edge. A companion strategy is to address known deficiencies in offline modeling tools that are needed to ground the use of improved real-time tools.

3

Arnold Schwarzenegger REAL-TIME GRID RELIABILITY  

E-Print Network [OSTI]

Monitoring System (RTDMSTM) Manu Parashar & Jim Dyer Electric Power Group (EPG) RTDMS CA ISO TRAINING SESSION Architecture What the System Operator Will See RTDMS Visualization Architecture Navigation Within RTDMS Generation What Causes Power to Flow on the Grid DC power system - Power flows from a point of high voltage

4

Perspectives on Real-Time Grid Operating Technologies to Manage Reliability in the Western Interconnection  

E-Print Network [OSTI]

Real-Time Grid Operating Technologies to Manage ReliabilityEto Environmental Energy Technologies Division October 2013Real-Time Grid Operating Technologies to Manage Reliability

Whitley, Eric

2014-01-01T23:59:59.000Z

5

REAL TIME GRID RELIABILITY MANAGEMENT 2005 PIER FINAL PROJECT REPORT  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

REAL TIME GRID RELIABILITY REAL TIME GRID RELIABILITY MANAGEMENT 2005 Prepared For: California Energy Commission Public Interest Energy Research Program Prepared By: Lawrence Berkeley National Laboratory PIER FINAL PROJECT REPORT LBNL-62368 ii Legal Notice This report was prepared as a result of work sponsored by the California Energy Commission (Energy Commission). It does not necessarily represent the views of the Energy Commission, its employees, or the State of California. The Energy Commission, the State of California, its employees, contractors, and subcontractors make no warrant, express or implied, and assume no legal liability for the information in this report; nor does any party represent that the use of this information will not infringe upon privately owned rights. This report has not been

6

CERTS 2012 Program Review - Real Time Simulation of Power Grid Operation & Contral - Mani Venkatasubramanian, WSU  

Broader source: Energy.gov (indexed) [DOE]

Power Grid Simulator Power Grid Simulator Mani V. Venkatasubramanian Dave Anderson, Chuanlin Zhao Carl Hauser, David Bakken Anjan Bose Washington State University Pullman WA 2 GridSim - Real Time Simulation of Power Grid Operation & Control * Funded by USDOE * Project team: Mani Venkatasubramanian (Project Lead), Anjan Bose, Dave Bakken, Carl Hauser, Chuanlin Zhao, Dave Anderson, Alex Ning, Ming Meng, Lin Zhang * Simulate PMU like real-time responses of large- scale power system including power grid dynamics and communication network 3 Project Objectives Improve Reliability and Security of the Electric Power Grid by developing * The new communications and information systems needed to support better automatic controls and operator support tools * The new wide area automatic algorithms needed

7

Arnold Schwarzenegger REAL-TIME GRID RELIABILITY  

E-Print Network [OSTI]

. Lesieutre Ernest Orlando Lawrence Berkeley National Laboratory 1 Cyclotron Road, MS 90R4000 Berkeley CA Energy Research Program Prepared By: Lawrence Berkeley National Laboratory Consortium for Electric authorization number #036 for $1,600,000. The Lawrence Berkeley National Laboratory is operated under U

8

Arnold Schwarzenegger REAL-TIME GRID RELIABILITY  

E-Print Network [OSTI]

thereof, or the Regents of the University of California. Ernest Orlando Lawrence Berkeley National Berkeley National Laboratory December 2008 CEC-500-2008-049 #12;#12;Prepared By: Lawrence Berkeley National Laboratory is an equal opportunity employer. #12; #12;Acknowledgements Lawrence Berkeley National

9

Real Time Grid Reliability Management 2005  

E-Print Network [OSTI]

Analysis”, Electric Power System Research, Vol. 47, No. 2,System Electric Power Group Electric Power Research

Eto, Joe

2008-01-01T23:59:59.000Z

10

Real Time Grid Reliability Management 2005  

E-Print Network [OSTI]

a technical assessment of the continuation power flowa technical assessment of the continuation power flowtechnical assessment of algorithms, developed a first prototype incorporating contingency ranking, continuation power

Eto, Joe

2008-01-01T23:59:59.000Z

11

Real Time Grid Reliability Management 2005  

E-Print Network [OSTI]

failure at a 400 kV substation. The blackout affected 4.5construction crew and by the Substation Operators failing toprocedures at San Mateo substation. The blackout affected

Eto, Joe

2008-01-01T23:59:59.000Z

12

Real Time Grid Reliability Management 2005  

E-Print Network [OSTI]

induction motors that Improving Dynamic Load and Generatorand Generator Response Performance Tools Another important example reported in the literature, also involving inductionand Generator Response Performance Tools As partial answers to these questions we note that the 20% induction

Eto, Joe

2008-01-01T23:59:59.000Z

13

Real Time Grid Reliability Management 2005  

E-Print Network [OSTI]

The process for updating load models follows the steps of2007. Follow-on work for Task 4: Improving Dynamic Load andto) follow the fast dynamic responses of loads. Likewise,

Eto, Joe

2008-01-01T23:59:59.000Z

14

Real Time Grid Reliability Management 2005  

E-Print Network [OSTI]

Definition Glossary APS BPA CA ISO CERTS CIEE DOE EIPP EMSLos Banos 40. Metcalf 41. Table Mountain 42. Gates Owner BPABPA BPA BPA BPA BPA BPA BPA BPA BPA BPA BPA BPA BPA BPA WAPA

Eto, Joe

2008-01-01T23:59:59.000Z

15

Real Time Grid Reliability Management 2005  

E-Print Network [OSTI]

Interest Energy Research Phasor Measurement Units PublicMeasurement Unit (PMU) Installation Process and Cost Estimates”, Report prepared for San Diego Gas & Electric and California Energy

Eto, Joe

2008-01-01T23:59:59.000Z

16

Real Time Grid Reliability Management 2005  

E-Print Network [OSTI]

The project team used the GE PSLF power flow tool (a well-system planning model (in GE PSLF form). Task Outcomes Theresults obtained from the GE PSLF program which is commonly

Eto, Joe

2008-01-01T23:59:59.000Z

17

Real Time Grid Reliability Management 2005  

E-Print Network [OSTI]

loss of two 345 kV transmission lines Jim Bridger – KinportStar – South Canton 345-kV transmission lines. The blackoutflashover of the 380 kV transmission lines Mettlen – Lavorgo

Eto, Joe

2008-01-01T23:59:59.000Z

18

Real Time Grid Reliability Management 2005  

E-Print Network [OSTI]

Phasor Measurement Unit (PMU) data to calculate “distance toPhasor Measurement Unit (PMU) data to calculate “distance tobe determined based on PMU data. The analysis is conducted

Eto, Joe

2008-01-01T23:59:59.000Z

19

Real Time Grid Reliability Management 2005  

E-Print Network [OSTI]

data to enhance or replace a Remedial Action Scheme (RAS) for an outage of the two 115 kV transmission lines (

Eto, Joe

2008-01-01T23:59:59.000Z

20

Enhancing Security of Real-Time Applications on Grids through Dynamic Scheduling  

E-Print Network [OSTI]

Enhancing Security of Real-Time Applications on Grids through Dynamic Scheduling Tao Xie Xiao Qin on Grids require security protections to completely fulfill their security-critical needs. Unfortunately to seamlessly integrate security into real-time scheduling for applications running on Grids. In this paper we

Feitelson, Dror

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Smart Grid Investments Improve Grid Reliability, Resilience,...  

Energy Savers [EERE]

Investments Improve Grid Reliability, Resilience, and Storm Responses (November 2014) Smart Grid Investments Improve Grid Reliability, Resilience, and Storm Responses (November...

22

High-Performance Computing for Real-Time Grid Analysis and Operation  

SciTech Connect (OSTI)

Power grids worldwide are undergoing an unprecedented transition as a result of grid evolution meeting information revolution. The grid evolution is largely driven by the desire for green energy. Emerging grid technologies such as renewable generation, smart loads, plug-in hybrid vehicles, and distributed generation provide opportunities to generate energy from green sources and to manage energy use for better system efficiency. With utility companies actively deploying these technologies, a high level of penetration of these new technologies is expected in the next 5-10 years, bringing in a level of intermittency, uncertainties, and complexity that the grid did not see nor design for. On the other hand, the information infrastructure in the power grid is being revolutionized with large-scale deployment of sensors and meters in both the transmission and distribution networks. The future grid will have two-way flows of both electrons and information. The challenge is how to take advantage of the information revolution: pull the large amount of data in, process it in real time, and put information out to manage grid evolution. Without addressing this challenge, the opportunities in grid evolution will remain unfulfilled. This transition poses grand challenges in grid modeling, simulation, and information presentation. The computational complexity of underlying power grid modeling and simulation will significantly increase in the next decade due to an increased model size and a decreased time window allowed to compute model solutions. High-performance computing is essential to enable this transition. The essential technical barrier is to vastly increase the computational speed so operation response time can be reduced from minutes to seconds and sub-seconds. The speed at which key functions such as state estimation and contingency analysis are conducted (typically every 3-5 minutes) needs to be dramatically increased so that the analysis of contingencies is both comprehensive and real time. An even bigger challenge is how to incorporate dynamic information into real-time grid operation. Today’s online grid operation is based on a static grid model and can only provide a static snapshot of current system operation status, while dynamic analysis is conducted offline because of low computational efficiency. The offline analysis uses a worst-case scenario to determine transmission limits, resulting in under-utilization of grid assets. This conservative approach does not necessarily lead to reliability. Many times, actual power grid scenarios are not studied, and they will push the grid over the edge and resulting in outages and blackouts. This chapter addresses the HPC needs in power grid analysis and operations. Example applications such as state estimation and contingency analysis are given to demonstrate the value of HPC in power grid applications. Future research directions are suggested for high performance computing applications in power grids to improve the transparency, efficiency, and reliability of power grids.

Huang, Zhenyu; Chen, Yousu; Chavarría-Miranda, Daniel

2013-10-31T23:59:59.000Z

23

Volatility of Power Grids under Real-Time Pricing  

E-Print Network [OSTI]

The paper proposes a framework for modeling and analysis of the dynamics of supply, demand, and clearing prices in power system with real-time retail pricing and information asymmetry. Real-time retail pricing is characterized by passing on the real-time wholesale electricity prices to the end consumers, and is shown to create a closed-loop feedback system between the physical layer and the market layer of the power system. In the absence of a carefully designed control law, such direct feedback between the two layers could increase volatility and lower the system's robustness to uncertainty in demand and generation. A new notion of generalized price-elasticity is introduced, and it is shown that price volatility can be characterized in terms of the system's maximal relative price elasticity, defined as the maximal ratio of the generalized price-elasticity of consumers to that of the producers. As this ratio increases, the system becomes more volatile, and eventually, unstable. As new demand response technolo...

Roozbehani, Mardavij; Mitter, Sanjoy K

2011-01-01T23:59:59.000Z

24

770 IEEE TRANSACTIONS ON SMART GRID, VOL. 2, NO. 4, DECEMBER 2011 A Resilient Real-Time System Design for a Secure  

E-Print Network [OSTI]

Design for a Secure and Reconfigurable Power Grid Hairong Qi, Senior Member, IEEE, Xiaorui Wang, Member architecture design that can help assure the security and reliability of the power grid. In this paper, we770 IEEE TRANSACTIONS ON SMART GRID, VOL. 2, NO. 4, DECEMBER 2011 A Resilient Real-Time System

Tolbert, Leon M.

25

Real-Time Demand Response with Uncertain Renewable Energy in Smart Grid  

E-Print Network [OSTI]

Real-Time Demand Response with Uncertain Renewable Energy in Smart Grid Libin Jiang and Steven Low manages user load through real-time demand response and purchases balancing power on the spot market and demand response in the presence of uncertain renewable supply and time-correlated demand. The overall

Low, Steven H.

26

Real time grid congestion management in presence of high penetration of wind energy  

E-Print Network [OSTI]

Real time grid congestion management in presence of high penetration of wind energy A. Vergnol1 , J », « Wind energy », « Variable speed drive » Abstract With the increased use of wind energy the power

Boyer, Edmond

27

Advancing Visibility of Grid Operations to Improve Reliability  

Broader source: Energy.gov [DOE]

Synchrophasors are starting a revolution, enabling a level of observation and control never envisioned when the grid was designed. Real-time awareness of the grid’s operating conditions helps to enhance reliability and assists in integrating clean energy technologies.

28

Complete Automation of Future Grid for Optimal Real-Time Distribution of Renewables  

E-Print Network [OSTI]

Complete Automation of Future Grid for Optimal Real-Time Distribution of Renewables Kiyoshi integrates tie-set graph theory with an intelligent agent system, is presented to distribute renewable energy and renewable generation is highly variable and unpredictable. Simulation results on a one hundred-node network

Loudon, Catherine

29

Weight-balanced security-aware scheduling for real-time computational grid  

Science Journals Connector (OSTI)

Security-aware scheduling for real-time grid applications is an important task and a little work has been done to accomplish this. In this paper, we propose two scheduling algorithms for real-time grid applications with stringent security requirements, and the proposed algorithms are compared with a few existing scheduling algorithms, i.e. MinMin, MaxMin, EDF/ECT, SPMinMin and SPMaxMin. Security overhead computation for existing and proposed models is done on the basis of security level demand of the tasks. Performance of WB-EDFMin on success rate performance metric is considered to be the best among all the contemporary scheduling algorithms. SFWB-EDFMin compromises on the overall success rate of the grid application but its task scheduling is uniformly spread over the tasks of all security levels.

Rekha Kashyap; Deo Prakash Vidyarthi

2011-01-01T23:59:59.000Z

30

Now Available: Smart Grid Investments Improve Grid Reliability...  

Energy Savers [EERE]

Smart Grid Investments Improve Grid Reliability, Resilience, and Storm Responses (November 2014) Now Available: Smart Grid Investments Improve Grid Reliability, Resilience, and...

31

Design and Implementation of Real-Time Off-Grid Detection Tool Based on FNET/GridEye  

SciTech Connect (OSTI)

Real-time situational awareness tools are of critical importance to power system operators, especially during emergencies. The availability of electric power has become a linchpin of most post disaster response efforts as it is the primary dependency for public and private sector services, as well as individuals. Knowledge of the scope and extent of facilities impacted, as well as the duration of their dependence on backup power, enables emergency response officials to plan for contingencies and provide better overall response. Based on real-time data acquired by Frequency Disturbance Recorders (FDRs) deployed in the North American power grid, a real-time detection method is proposed. This method monitors critical electrical loads and detects the transition of these loads from an on-grid state, where the loads are fed by the power grid to an off-grid state, where the loads are fed by an Uninterrupted Power Supply (UPS) or a backup generation system. The details of the proposed detection algorithm are presented, and some case studies and off-grid detection scenarios are also provided to verify the effectiveness and robustness. Meanwhile, the algorithm has already been implemented based on the Grid Solutions Framework (GSF) and has effectively detected several off-grid situations.

Guo, Jiahui [University of Tennessee, Knoxville (UTK); Zhang, Ye [University of Tennessee, Knoxville (UTK); Liu, Yilu [University of Tennessee (UTK) and Oak Ridge National Laboratory (ORNL); Young II, Marcus Aaron [ORNL; Irminger, Philip [ORNL; Dimitrovski, Aleksandar D [ORNL; Willging, Patrick [U.S. Department of Energy

2014-01-01T23:59:59.000Z

32

1822 IEEE TRANSACTIONS ON SMART GRID, VOL. 3, NO. 4, DECEMBER 2012 Real-Time Price-Based Demand Response  

E-Print Network [OSTI]

, real-time price-based demand response management, residential appli- ances, robust optimization1822 IEEE TRANSACTIONS ON SMART GRID, VOL. 3, NO. 4, DECEMBER 2012 Real-Time Price-Based Demand Response Management for Residential Appliances via Stochastic Optimization and Robust Optimization Zhi Chen

Fu, Yong

33

AEP Ohio gridSMART Demonstration Project Real-Time Pricing Demonstration Analysis  

SciTech Connect (OSTI)

This report contributes initial findings from an analysis of significant aspects of the gridSMART® Real-Time Pricing (RTP) – Double Auction demonstration project. Over the course of four years, Pacific Northwest National Laboratory (PNNL) worked with American Electric Power (AEP), Ohio and Battelle Memorial Institute to design, build, and operate an innovative system to engage residential consumers and their end-use resources in a participatory approach to electric system operations, an incentive-based approach that has the promise of providing greater efficiency under normal operating conditions and greater flexibility to react under situations of system stress. The material contained in this report supplements the findings documented by AEP Ohio in the main body of the gridSMART report. It delves into three main areas: impacts on system operations, impacts on households, and observations about the sensitivity of load to price changes.

Widergren, Steven E.; Subbarao, Krishnappa; Fuller, Jason C.; Chassin, David P.; Somani, Abhishek; Marinovici, Maria C.; Hammerstrom, Janelle L.

2014-02-01T23:59:59.000Z

34

A Bi-Criteria Scheduling Heuristics for Distributed Embedded Systems under Reliability and Real-Time Constraints  

E-Print Network [OSTI]

A Bi-Criteria Scheduling Heuristics for Distributed Embedded Systems under Reliability and Real are met. Keywords: Distributed real-time systems, safety-critical systems, reliability, multi-time distributed systems in the literature do not attempt to introduce reliability; rather, they concentrate

Girault, Alain

35

Contingency Visualization for Real-Time Decision Support in Grid Operation  

SciTech Connect (OSTI)

Contingency analysis is a key function in control centers to assess the impact of various combinations of power system component failures based on state estimates. Today's practice analyzes only a limited set of contingency cases and lacks of capabilities in presenting the results in a way that is easy to be understood by grid operators in a short time frame of seconds to minutes. This limits the ability to operate the power grid for better reliability and efficiency. Faster analysis of more cases is required to safely and reliably operate today's power grids which have a less margin and more intermittent renewable energy sources. This paper explores the advancements in high performance computing and visual analytics for improving the computational speed and the information representation in contingency analysis. A framework of advanced contingency analysis is proposed. Case studies using the Western Electricity Coordinating Council (WECC) system are presented to demonstrate the feasibility of the proposed framework. Comparative assessment by real power grid operators has been performed as part of a WECC operator training class. The assessment results demonstrate the validity of the proposed contingency analysis and visualization approach.

Huang, Zhenyu; Chen, Yousu; Greitzer, Frank L.; Eubank, Robert

2011-10-17T23:59:59.000Z

36

Reliability evaluation of smart distribution grids.  

E-Print Network [OSTI]

??The term "Smart Grid" generally refers to a power grid equipped with the advanced technologies dedicated for purposes such as reliability improvement, ease of control… (more)

Kazemi, Shahram

2011-01-01T23:59:59.000Z

37

Distributed Energy Consumption Control via Real-Time Pricing Feedback in Smart Grid  

E-Print Network [OSTI]

architecture for the smart grid,” IEEE Netw. , vol. 25, no.scheduling for the future smart grid,” IEEE Trans. Smartapproach,” IEEE Trans. Smart Grid, vol. 3, no. 4, pp. 1767–

Ma, Kai; Hu, Guoqiang; Spanos, Costas J

2014-01-01T23:59:59.000Z

38

DOE Provides $4.3 Million to Improve Reliability of the U.S. Electric Grid  

Broader source: Energy.gov (indexed) [DOE]

Provides $4.3 Million to Improve Reliability of the U.S. Provides $4.3 Million to Improve Reliability of the U.S. Electric Grid DOE Provides $4.3 Million to Improve Reliability of the U.S. Electric Grid August 21, 2009 - 3:47pm Addthis Innovative Synchrophasor Research Will Provide Better Real-Time Information WASHINGTON, DC - The Department of Energy's Office of Electricity and Energy Reliability today announced that it will provide $4.3 million for four projects that will use innovative synchrophasor research to improve the reliability and efficiency of our Nation's electricity grid. These awards are part of the Department's efforts to modernize the electric grid and enhance the security and reliability of the energy infrastructure. Synchrophasors are high-speed, real-time synchronized measurement devices used to diagnose the health of the electricity grid. With synchrophasor

39

PhotoVoltaic distributed generation for Lanai power grid real-time simulation and control integration scenario.  

SciTech Connect (OSTI)

This paper discusses the modeling, analysis, and testing in a real-time simulation environment of the Lanai power grid system for the integration and control of PhotoVoltaic (PV) distributed generation. The Lanai Island in Hawaii is part of the Hawaii Clean Energy Initiative (HCEI) to transition to 30% renewable green energy penetration by 2030. In Lanai the primary loads come from two Castle and Cook Resorts, in addition to residential needs. The total peak load profile is 12470 V, 5.5 MW. Currently there are several diesel generators that meet these loading requirements. As part of the HCEI, Lanai has initially installed 1.2 MW of PV generation. The goal of this study has been to evaluate the impact of the PV with respect to the conventional carbon-based diesel generation in real time simulation. For intermittent PV distributed generation, the overall stability and transient responses are investigated. A simple Lanai 'like' model has been developed in the Matlab/Simulink environment (see Fig. 1) and to accommodate real-time simulation of the hybrid power grid system the Opal-RT Technologies RT-Lab environment is used. The diesel generators have been modelled using the SimPowerSystems toolbox swing equations and a custom Simulink module has been developed for the High level PV generation. All of the loads have been characterized primarily as distribution lines with series resistive load banks with one VAR load bank. Three-phase faults are implemented for each bus. Both conventional and advanced control architectures will be used to evaluate the integration of the PV onto the current power grid system. The baseline numerical results include the stable performance of the power grid during varying cloud cover (PV generation ramping up/down) scenarios. The importance of assessing the real-time scenario is included.

Robinett, Rush D., III; Kukolich, Keith (Opal RT Technologies, Montreal, Quebec, Canada); Wilson, David Gerald; Schenkman, Benjamin L.

2010-06-01T23:59:59.000Z

40

Real-time digital control of DFIG-based wind generators for grid support.  

E-Print Network [OSTI]

??In this thesis, a set of new converter /control techniques are developed for the Grid Side and Rotor Side converter applications in DFIG wind power… (more)

Mesbah, Mohsen

2012-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Reliability Considerations from Integration of Smart Grid  

Broader source: Energy.gov (indexed) [DOE]

Considerations Considerations from the Integration of Smart Grid 116-390 Village Blvd., Princeton, NJ 08540 609.452.8060 | 609.452.9550 fax www.nerc.com the reliability of the to ensure bulk power system December 2010 (This page intentionally left blank) to ensure the reliability of the bulk power system Reliability Considerations of Integration of Smart Grid i

42

Development of Real-time Closed-loop Control Algorithms for Grid-scale Battery  

E-Print Network [OSTI]

Reliability Under Cooperative Agreement No. DE-EE0003507 Hawai`i Energy Sustainability Program Task 3.2 Report ................................................. 29 7.2. Architecture and HMI Step

43

Real-Time Power Balancing in Electric Grids with Distributed Storage  

E-Print Network [OSTI]

that the algorithm converges quickly and provides asymptotically optimal performance as the capacity of DS units and solar, are expected to be integrated into the future power grid. For example, the European Commission aims to include 20% renewable energy in the EU energy profile by 2020 [3], and California plans

Liang, Ben

44

A Resilient Real-Time Agent-Based System for a Reconfigurable Power Grid  

E-Print Network [OSTI]

outages and other power quality and reliability events to be 1% of GDP, or $100 billion per year [4 infrastructure that includes renewable or sustainable energy sources [1][2]. The existing energy management

Tolbert, Leon M.

45

Demand Response and Electric Grid Reliability  

E-Print Network [OSTI]

Demand Response and Electric Grid Reliability Paul Wattles Senior Analyst, Market Design & Development, ERCOT CATEE Conference, Galveston October 10, 2012 2 North American Bulk Power Grids CATEE Conference October 10, 2012 ? The ERCOT... adequacy ? ?Achieving more DR participation would . . . displace some generation investments, but would achieve the same level of reliability... ? ?Achieving this ideal requires widespread demand response and market structures that enable loads...

Wattles, P.

2012-01-01T23:59:59.000Z

46

Smart Grid: Creating Jobs while Delivering Reliable,  

Open Energy Info (EERE)

Smart Grid: Creating Jobs while Delivering Reliable, Smart Grid: Creating Jobs while Delivering Reliable, Environmentally-friendly Energy Home > Groups > OpenEI Community Central Graham7781's picture Submitted by Graham7781(1992) Super contributor 2 March, 2010 - 14:14 imported OpenEI On April 16th, 2009, Vice President Joe Biden announced that the Department of Energy was planning to develop a stronger, more reliable energy grid. The plan would allocate $3.4 billion in funds to be distributed across the nation, aiding projects aimed at improving and updating the current electrical power grid in the United States. Two projects are funded by smart grid: smaller and larger. Smaller projects range from $300,000 to $20,000,000. These projects typically focus on upgrading equipment in less populated ares. Larger projects range from

47

Energy Department Invests Over $10 Million to Improve Grid Reliability...  

Office of Environmental Management (EM)

day-to-day grid reliability. "Through advanced sensors and monitoring devices, U.S. utilities now have unprecedented insight into the power grid - helping industry make decisions...

48

REAL TIME SYSTEM OPERATIONS 2006-2007  

SciTech Connect (OSTI)

The Real Time System Operations (RTSO) 2006-2007 project focused on two parallel technical tasks: (1) Real-Time Applications of Phasors for Monitoring, Alarming and Control; and (2) Real-Time Voltage Security Assessment (RTVSA) Prototype Tool. The overall goal of the phasor applications project was to accelerate adoption and foster greater use of new, more accurate, time-synchronized phasor measurements by conducting research and prototyping applications on California ISO's phasor platform - Real-Time Dynamics Monitoring System (RTDMS) -- that provide previously unavailable information on the dynamic stability of the grid. Feasibility assessment studies were conducted on potential application of this technology for small-signal stability monitoring, validating/improving existing stability nomograms, conducting frequency response analysis, and obtaining real-time sensitivity information on key metrics to assess grid stress. Based on study findings, prototype applications for real-time visualization and alarming, small-signal stability monitoring, measurement based sensitivity analysis and frequency response assessment were developed, factory- and field-tested at the California ISO and at BPA. The goal of the RTVSA project was to provide California ISO with a prototype voltage security assessment tool that runs in real time within California ISO?s new reliability and congestion management system. CERTS conducted a technical assessment of appropriate algorithms, developed a prototype incorporating state-of-art algorithms (such as the continuation power flow, direct method, boundary orbiting method, and hyperplanes) into a framework most suitable for an operations environment. Based on study findings, a functional specification was prepared, which the California ISO has since used to procure a production-quality tool that is now a part of a suite of advanced computational tools that is used by California ISO for reliability and congestion management.

Eto, Joseph H.; Parashar, Manu; Lewis, Nancy Jo

2008-08-15T23:59:59.000Z

49

Wide-area, real-time monitoring and visualization system  

SciTech Connect (OSTI)

A real-time performance monitoring system for monitoring an electric power grid. The electric power grid has a plurality of grid portions, each grid portion corresponding to one of a plurality of control areas. The real-time performance monitoring system includes a monitor computer for monitoring at least one of reliability metrics, generation metrics, transmission metrics, suppliers metrics, grid infrastructure security metrics, and markets metrics for the electric power grid. The data for metrics being monitored by the monitor computer are stored in a data base, and a visualization of the metrics is displayed on at least one display computer having a monitor. The at least one display computer in one said control area enables an operator to monitor the grid portion corresponding to a different said control area.

Budhraja, Vikram S. (Los Angeles, CA); Dyer, James D. (La Mirada, CA); Martinez Morales, Carlos A. (Upland, CA)

2011-11-15T23:59:59.000Z

50

Wide-area, real-time monitoring and visualization system  

DOE Patents [OSTI]

A real-time performance monitoring system for monitoring an electric power grid. The electric power grid has a plurality of grid portions, each grid portion corresponding to one of a plurality of control areas. The real-time performance monitoring system includes a monitor computer for monitoring at least one of reliability metrics, generation metrics, transmission metrics, suppliers metrics, grid infrastructure security metrics, and markets metrics for the electric power grid. The data for metrics being monitored by the monitor computer are stored in a data base, and a visualization of the metrics is displayed on at least one display computer having a monitor. The at least one display computer in one said control area enables an operator to monitor the grid portion corresponding to a different said control area.

Budhraja, Vikram S.; Dyer, James D.; Martinez Morales, Carlos A.

2013-03-19T23:59:59.000Z

51

Real-time performance monitoring and management system  

DOE Patents [OSTI]

A real-time performance monitoring system for monitoring an electric power grid. The electric power grid has a plurality of grid portions, each grid portion corresponding to one of a plurality of control areas. The real-time performance monitoring system includes a monitor computer for monitoring at least one of reliability metrics, generation metrics, transmission metrics, suppliers metrics, grid infrastructure security metrics, and markets metrics for the electric power grid. The data for metrics being monitored by the monitor computer are stored in a data base, and a visualization of the metrics is displayed on at least one display computer having a monitor. The at least one display computer in one said control area enables an operator to monitor the grid portion corresponding to a different said control area.

Budhraja, Vikram S. (Los Angeles, CA); Dyer, James D. (La Mirada, CA); Martinez Morales, Carlos A. (Upland, CA)

2007-06-19T23:59:59.000Z

52

A BiCriteria Scheduling Heuristics for Distributed Embedded Systems under Reliability and RealTime Constraints  

E-Print Network [OSTI]

A Bi­Criteria Scheduling Heuristics for Distributed Embedded Systems under Reliability and Real are met. Keywords: Distributed real­time systems, safety­critical systems, reliability, multi­time distributed systems in the literature do not attempt to introduce reliability; rather, they concentrate

Girault, Alain

53

Forward Capacity Markets: Maintaining Grid Reliability in Europe.  

E-Print Network [OSTI]

?? The liberalization process of the electricity industry in many countries leads to new rules and new challenges for the grid management. System reliability is… (more)

Chaigneau, Matthieu

2012-01-01T23:59:59.000Z

54

Distribution system reliability analysis for smart grid applications.  

E-Print Network [OSTI]

??Reliability of power systems is a key aspect in modern power system planning, design, and operation. The ascendance of the smart grid concept has provided… (more)

Aljohani, Tawfiq Masad

2014-01-01T23:59:59.000Z

55

The Relationship between Competitive Power Markets and Grid Reliability. |  

Broader source: Energy.gov (indexed) [DOE]

The Relationship between Competitive Power Markets and Grid The Relationship between Competitive Power Markets and Grid Reliability. The Relationship between Competitive Power Markets and Grid Reliability. The U.S. Department of Energy and Natural Resources Canada should commission an independent study of the relationships among industry restructuring, competition in power markets, and grid reliability, and how those relationships should be managed to best serve the public interest. The Relationship between Competitive Power Markets and Grid Reliability. More Documents & Publications Blackout 2003: Blackout Final Implementation Report U.S. - Canada Power System Outage Task Force: Final Report on the Implementation of Task Force Recommendations Blackout 2003: Final Report on the August 14, 2003 Blackout in the United

56

Smart Grid Investments Improve Grid Reliability, Resilience, and Storm Responses (November 2014)  

Broader source: Energy.gov [DOE]

Smart grid technologies are helping utilities to speed outage restoration following major storm events, reduce the total number of affected customers, and improve overall service reliability to reduce customer losses from power disruptions. This report presents findings on smart grid improvements in outage management from OE's Smart Grid Investment Grant (SGIG) program, based on the recent experiences of three SGIG projects.

57

Coming Full Circle in Florida: Improving Electric Grid Reliability and  

Broader source: Energy.gov (indexed) [DOE]

Coming Full Circle in Florida: Improving Electric Grid Reliability Coming Full Circle in Florida: Improving Electric Grid Reliability and Resiliency Coming Full Circle in Florida: Improving Electric Grid Reliability and Resiliency May 2, 2013 - 11:16am Addthis Inside Florida Power & Light's Transmission Performance Diagnostic Center. | Photo courtesy of Florida Power & Light. Inside Florida Power & Light's Transmission Performance Diagnostic Center. | Photo courtesy of Florida Power & Light. In 2009, at the DeSoto Next Generation Solar Energy Center, President Obama announced the launch of the $3.4 billion Smart Grid Investment Grant program. In 2009, at the DeSoto Next Generation Solar Energy Center, President Obama announced the launch of the $3.4 billion Smart Grid Investment Grant program. Inside Florida Power & Light's Transmission Performance Diagnostic Center. | Photo courtesy of Florida Power & Light.

58

Grid Reliability- An Electric Utility Company's Perspective  

Broader source: Energy.gov [DOE]

Presentation—given at the Federal Utility Partnership Working Group (FUPWG) Fall 2008 meeting—covers Southern Company's business continuity, North American Electric Reliability Corporation (NERC) cybersecurity, and homeland security as well as physical recovery after a major outage, and five questions to ask your local utility.

59

IEEE TRANSACTIONS ON POWER SYSTEMS, VOL. X, NO. Y, MONTH 2012 1 Volatility of Power Grids under Real-Time Pricing  

E-Print Network [OSTI]

for engineering modern power grids with the capacity to integrate renewable energy resources at large scale THE increasing demand for energy along with growing environmental concerns have led to a national agendaIEEE TRANSACTIONS ON POWER SYSTEMS, VOL. X, NO. Y, MONTH 2012 1 Volatility of Power Grids under

Bhatia, Sangeeta

60

Improving the Reliability and Resiliency of the US Electric Grid: SGIG  

Broader source: Energy.gov (indexed) [DOE]

Improving the Reliability and Resiliency of the US Electric Grid: Improving the Reliability and Resiliency of the US Electric Grid: SGIG Article in Metering International, March 2012 Improving the Reliability and Resiliency of the US Electric Grid: SGIG Article in Metering International, March 2012 The quarterly magazine Metering International is a resource for information on trends and developments in the industry. Issue 1 2012 (March) featured an article on DOE's Smart Grid Investment Grant Program written by OE's Debbie Haught and Joseph Paladino. "Improving the Reliability and Resiliency of the US Electric Grid" is available for download below. Improving the Reliability and Resiliency of the US Electric Grid - SGIG Article in Metering International Issue 1 2012.pdf More Documents & Publications Smart Grid Investment Grant Program - Progress Report (October 2013)

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Reliability Assessment of a Power Grid with Customer Operated CHP Systems Using Monte Carlo Simulation.  

E-Print Network [OSTI]

??This thesis presents a method for reliability assessment of a power grid with distributed generation providing support to the system. The distributed generation units considered… (more)

Manohar, Lokesh Prakash

2009-01-01T23:59:59.000Z

62

New York Completes Smart Grid Project to Build a More Reliable...  

Energy Savers [EERE]

grid and control center project in Rensselaer, New York. Today, Assistant Secretary for Electricity Delivery and Energy Reliability Patricia Hoffman joined with public and...

63

Real time automated inspection  

DOE Patents [OSTI]

A method and apparatus relating to the real time automatic detection and classification of characteristic type surface imperfections occurring on the surfaces of material of interest such as moving hot metal slabs produced by a continuous steel caster. A data camera transversely scans continuous lines of such a surface to sense light intensities of scanned pixels and generates corresponding voltage values. The voltage values are converted to corresponding digital values to form a digital image of the surface which is subsequently processed to form an edge-enhanced image having scan lines characterized by intervals corresponding to the edges of the image. The edge-enhanced image is thresholded to segment out the edges and objects formed by the edges are segmented out by interval matching and bin tracking. Features of the objects are derived and such features are utilized to classify the objects into characteristic type surface imperfections.

Fant, Karl M. (Minneapolis, MN); Fundakowski, Richard A. (Saint Paul, MN); Levitt, Tod S. (Minneapolis, MN); Overland, John E. (Plymouth, MN); Suresh, Bindinganavle R. (New Brighton, MN); Ulrich, Franz W. (Minneapolis, MN)

1985-01-01T23:59:59.000Z

64

Real time automated inspection  

DOE Patents [OSTI]

A method and apparatus are described relating to the real time automatic detection and classification of characteristic type surface imperfections occurring on the surfaces of material of interest such as moving hot metal slabs produced by a continuous steel caster. A data camera transversely scans continuous lines of such a surface to sense light intensities of scanned pixels and generates corresponding voltage values. The voltage values are converted to corresponding digital values to form a digital image of the surface which is subsequently processed to form an edge-enhanced image having scan lines characterized by intervals corresponding to the edges of the image. The edge-enhanced image is thresholded to segment out the edges and objects formed by the edges by interval matching and bin tracking. Features of the objects are derived and such features are utilized to classify the objects into characteristic type surface imperfections. 43 figs.

Fant, K.M.; Fundakowski, R.A.; Levitt, T.S.; Overland, J.E.; Suresh, B.R.; Ulrich, F.W.

1985-05-21T23:59:59.000Z

65

Energy Department Invests Over $10 Million to Improve Grid Reliability and Resiliency  

Broader source: Energy.gov [DOE]

As part of the Obama Administration’s commitment to a strong and secure power grid, the Energy Department today announced more than $10 million for projects that will improve the reliability and resiliency of the U.S. electric grid and facilitate quick and effective response to grid conditions.

66

Grid Reliability Performance Metrics Using Phasor Data and Model-less Algorithms,  

Broader source: Energy.gov (indexed) [DOE]

Reliability Performance Metrics Using Reliability Performance Metrics Using Phasor Data and Model-less Algorithms, Prototype Development and Field Test Carlos Martinez - Advanced Systems Researchers (ASR) cmartinez@asresearchers.com June 27-28 2013 Washington, DC DOE/OE Transmission Reliability Program 2 Project Objective LOAD-GENERATION CONTROL RELIABILITY PERFORMANCE REALTIME MONITORING GRID RELIABILITY PERFORMANCE PHASOR BASED AND MODELESS REALTIME MONITORING RESEARCH, PROTOTYPE AND FIELD TEST ALL APPLICATIONS IN PRODUCTION PROJECT OBJECTIVES 3 Project Analytics Approach 4 Accomplishments to be Completed in FY 2013 * Deliver to MISO the Extended Prototype Functional Specification * Complete Research, Test and Validation of Grid Post- Disturbance Reliability Metrics

67

Reliability Modeling for the Advanced Electric Power Grid  

Science Journals Connector (OSTI)

The advanced electric power grid promises a self-healing infrastructure using distributed, ... and control network that can dynamically change the power grid to achieve higher dependability. The goal is ... them ...

Ayman Z. Faza; Sahra Sedigh…

2007-01-01T23:59:59.000Z

68

Initial Studies Toward Real-Time Transmission Path Rating  

SciTech Connect (OSTI)

Demand continues to increase while transmission line construction is being constrained by multiple factors— economic, environmental, and political. Effective and efficient utilization of transmission lines is thus of great importance in an open access environment. Large blocks of power are transferred from areas with inexpensive generation to heavy load demand areas or areas with high generation costs. This results in some transmission paths being loaded closer to their path ratings, which limits further power transfer between areas. Traditionally, rating of important paths was determined off line by assuming the worst-case study scenario; once determined, it could be used for years. With increasing uncertainty arising from rapid growth of renewable energy and smart technologies, path rating studies are needed in near-real time to account for the latest system status and support a reliable and economic power grid. This paper adopts a simplified procedure based on standards of the North American Electric Reliability Corporation (NERC) to determine total transfer capability (TTC) or transfer limit for the purpose of demonstrating the benefits and necessity of real-time path rating. Initial studies are conducted to compute TTC of a two-area test system and a 39-bus test system. Results indicate that path rating can be significantly affected by loading conditions, generator schedules, system topology and other factors.

Singh, Ruchi; Diao, Ruisheng; Cai, Niannian; Huang, Zhenyu; Tuck, Brian; Guo, Xinxin

2012-07-26T23:59:59.000Z

69

Smart Grid Update: Delivering More Reliable and Efficient Power...  

Office of Environmental Management (EM)

The Energy Wise Rewards program received POWERGRID International magazine's 2014 Demand ResponseEnergy Efficiency Project of the Year award. With the smart grid backbone in...

70

Efficiency and Reliability Improvement in Wind Turbine Converters by Grid Converter Adaptive Control  

E-Print Network [OSTI]

Efficiency and Reliability Improvement in Wind Turbine Converters by Grid Converter Adaptive stack shows efficiency increase in the high power region. Introduction Wind turbines are emerging energy test setup. Keywords >, Efficiency>>, >,

Munk-Nielsen, Stig

71

Evaluation of versions of electric power grid repair schemes from the results of structural reliability calculations  

Science Journals Connector (OSTI)

A procedure for processing repair claims using the results of an estimate of the structural reliability of the electric grid, the results of the approval of algorithms using the example of a test model, and th...

P. V. Toshchakov; O. M. Kotov; A. F. Kostarev

2013-01-01T23:59:59.000Z

72

Now Available: Smart Grid Investments Improve Grid Reliability, Resilience, and Storm Responses (November 2014)  

Broader source: Energy.gov [DOE]

A new report from OE's Smart Grid Investment Grant (SGIG) program presents findings on smart grid improvements in outage management, based on the recent experiences of three SGIG projects.

73

Towards a Real-Time Cluster Computing Infrastructure  

SciTech Connect (OSTI)

Real-time computing has traditionally been considered largely in the context of single-processor and embedded systems, and indeed, the terms real-time computing, embedded systems, and control systems are often mentioned in closely related contexts. However, real-time computing in the context of multinode systems, specifically high-performance, cluster-computing systems, remains relatively unexplored, largely due to the fact that until now, there has not been a need for such an environment. In this paper, we motivate the need for a cluster computing infrastructure capable of supporting computation over large datasets in real-time. Our motivating example is an analytical framework to support the next generation North American power grid, which is growing both in size and complexity. With streaming sensor data in the future power grid potentially reaching rates on the order of terabytes per day, the task of analyzing this data subject to real-time guarantees becomes a daunting task which will require the power of high-performance cluster computing capable of functioning under real-time constraints. One specific challenge that such an environment presents is the need for real-time networked communication between cluster nodes. In this paper, we discuss the need for real-time high-performance cluster computation, along with our work-in-progress towards an infrastructure which will ultimately enable such an environment.

Hui, Peter SY; Chikkagoudar, Satish; Chavarría-Miranda, Daniel; Johnston, Mark R.

2011-11-01T23:59:59.000Z

74

Definition: Real-Time Load Measurement And Management | Open Energy  

Open Energy Info (EERE)

Management Management Jump to: navigation, search Dictionary.png Real-Time Load Measurement And Management This function provides real-time measurement of customer consumption and management of load through Advanced Metering Infrastructure (AMI) systems (smart meters, two-way communications) and embedded appliance controllers that help customers make informed energy use decisions via real-time price signals, time-of-use (TOU) rates, and service options.[1] Related Terms advanced metering infrastructure, time-of-use pricing, smart grid References ↑ SmartGrid.gov 'Description of Functions' An in LikeLike UnlikeLike You like this.Sign Up to see what your friends like. line Glossary Definition Retrieved from "http://en.openei.org/w/index.php?title=Definition:Real-Time_Load_Measurement_And_Management&oldid=493115

75

Cost versus reliability sizing strategy for isolated photovoltaic micro-grids in the developing world  

Science Journals Connector (OSTI)

Abstract For many isolated regions in the developing world micro-grids which combine photovoltaic electricity generation and battery storage may represent the most reliable and least expensive form of energy service. Due to climate induced solar resource variations, achieving high reliability levels necessitates excess generation and storage capacity which can significantly increase the end consumer cost of energy. Due to severe financial limitations, many consumers in the developing world may prefer cost versus reliability trade-offs, as long as their basic energy needs are met. Defining reliability as the percent of electricity demand a grid can deliver, we utilize a time series energy balance algorithm at hourly resolution to create cost versus reliability curves of micro-grid performance. We then propose a micro-grid sizing strategy which enables designers with knowledge of local energy needs to determine the acceptability of potential micro-grids. Our strategy relies on visualizing simulation data at increasing levels of temporal resolution to determine where energy shortfalls occur and if they interfere with high priority energy demand. A case study is presented which utilizes the proposed methods. Results suggest that the methodology has the potential to reduce the cost of service while maintaining acceptable consumer reliability.

Mitchell Lee; Daniel Soto; Vijay Modi

2014-01-01T23:59:59.000Z

76

New York Completes Smart Grid Project to Build a More Reliable, Resilient Power Grid  

Broader source: Energy.gov [DOE]

The Energy Department recognized the completion of New York Independent System Operator’s smart grid and control center project in Rensselaer, New York.

77

A New WSN-Based Routing Optimization in Smart Distribution Grid  

Science Journals Connector (OSTI)

The method of routing optimization aimed at problems such as numerous-nodes, large-scale, low reliability of transmission link and inferior real-time in smart distribution grid based on wireless sensor network ha...

GangJun Gong; XingChuan Wang; JuanXi Zhu

2012-01-01T23:59:59.000Z

78

Reliability Analysis for the Advanced Electric Power Grid: From Cyber Control and Communication to Physical Manifestations of Failure  

Science Journals Connector (OSTI)

The advanced electric power grid is a cyber-physical system comprised of ... of the device and the reliability of the power grid on which they are deployed. The IEEE118...

Ayman Z. Faza; Sahra Sedigh…

2009-01-01T23:59:59.000Z

79

New Article on Cybersecurity Discusses DOE’s Partnership with the Energy Sector to Keep the Grid Reliable and Secure  

Broader source: Energy.gov [DOE]

An article by OE’s Carol Hawk and Akhlesh Kaushiva in The Electricity Journal discusses cybersecurity for the power grid and how DOE and the energy sector are partnering to keep the smart grid reliable and secure.

80

Assessing the Reliability and Economics of Wide-Scale Grid-Connected  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Assessing the Reliability and Economics of Wide-Scale Grid-Connected Assessing the Reliability and Economics of Wide-Scale Grid-Connected Distributed Energy Generation with Application to Electric Power Systems Under Stress Speaker(s): Hisham Zerriffi Date: November 13, 2003 - 12:00pm Location: Bldg. 90 Seminar Host/Point of Contact: Kristina LaCommare Electric power systems can be disrupted due to a variety of stress circumstances. These can range from constraints on the physical infrastructure as a result of under-capacity problems to deliberate attacks in times of conflict. Stress conditions can manifest themselves in a variety of ways and determining both the nature of the stress and the best mathematical representation of that stress in the model is complicated. This talk details a quantitative comparison of the reliability of an

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

2010 Transmission Reliability Program Peer Review | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Transmission Reliability Program Peer Review Transmission Reliability Program Peer Review 2010 Transmission Reliability Program Peer Review The Transmission Reliability research area focuses on two key areas: 1) Real-Time Grid Reliability Management and 2) Reliability and Markets. The first area develops monitoring and analysis tools that process synchrophasor data to enable real-time assessment of grid status and stability margins, with the goal of improving power system reliability and visibility through wide-area measurement and control. It is developing advanced technologies and tools to help create a resilient electric transmission system that can better detect disturbances, accommodate a variety of generation sources, and automatically reconfigure the grid to prevent widespread outages and/or rebalance the system. The second area

82

Case Study - Florida Power & Light - Smart Grid Solutions Strengthen Reliability and Services - July 2012.pdf  

Broader source: Energy.gov (indexed) [DOE]

Florida Power & Light Florida Power & Light July 2012 1 Smart devices have been installed on 78 substation transformer banks. Smart Grid Solutions Strengthen Electric Reliability and Customer Services in Florida With 4.6 million customers, nearly 70,000 miles of power lines and 16 power plants, Florida Power and Light Company (FPL) is one of the nation's largest electric utilities. FPL says maintaining reliable service while keeping rates affordable is "Job One." While pursuing its mission, FPL is implementing "Energy Smart Florida," which is the largest and one of the most comprehensive of the U.S. Department of

83

Convex Optimization: from Real-Time Embedded  

E-Print Network [OSTI]

Convex Optimization: from Real-Time Embedded to Large-Scale Distributed Stephen Boyd Neal Parikh of Edinburgh, June 25 2014 1 #12;Outline Convex Optimization Real-Time Embedded Optimization Large-Scale Distributed Optimization Summary 2 #12;Outline Convex Optimization Real-Time Embedded Optimization Large

Hall, Julian

84

Real-Time Deferrable Load Control: Handling the Uncertainties of Renewable Generation  

E-Print Network [OSTI]

@caltech.edu Steven H. Low California Inst. of Tech. slow@caltech.edu ABSTRACT Real-time demand response is potential loads, including electric vehicles and smart appliances, will participate in demand response smart grid, deferrable load control, demand response 1. INTRODUCTION Real-time demand response seeks

Low, Steven H.

85

2012 SG Peer Review - Real-Time Distribution Feed Performance Monitoring, Advisory Control, and Health Management System - James Stoupis, ABB Inc.  

Broader source: Energy.gov (indexed) [DOE]

Real-Time Distribution Feeder Performance Real-Time Distribution Feeder Performance Monitoring, Advisory Control, and Health Management System James Stoupis ABB Inc., US Corporate Research Center June 7, 2012 December 2008 Real-Time Distribution Feeder Performance Monitoring Objective Life-cycle Funding Summary ($K) Prior to FY 12 FY12, authorized FY13, requested Out-year(s) $200 k $1.1 M $1.3 M $400k Technical Scope To innovatively leverage advanced sensing, monitoring, and control technologies to enhance asset utilization and grid reliability Install state-of-the-art data collection, monitoring, and sensing equipment in distribution substations and on distribution feeders Develop new feeder monitoring, advisory control, and asset health applications deployed on current circuits, and future circuits with DERs

86

Real-Time Optimization Strategies for Building Systems  

Science Journals Connector (OSTI)

This hinders market penetration and slows down smart grid initiatives such as demand response. ... In addition, it is necessary to determine the impact of different electricity market incentives and programs such as day-ahead bidding, real-time pricing, and demand response on the cost improvements of MPC over existing control architectures. ... A conclusion from this study is that buildings do not benefit from following economic objectives if no revenue is provided (e.g., negative prices or demand response payments). ...

Victor M. Zavala

2012-08-27T23:59:59.000Z

87

Grid Reliability////////////////////////// Grid Dependability  

E-Print Network [OSTI]

, confidentiality, etc. Collectively referred as "-ilities" of a system MTBF, MTTF, MTTR, RBD, FTA, FMEA, FMECA

88

A Survey of Utility Experience with Real Time Pricing  

E-Print Network [OSTI]

with Real Time Pricing Xcel Energy (Public Service Companywith Real Time Pricing Xcel Energy, MDC (MinnesotaUtilities Division). 2001. “Xcel Energy’s Real-Time Pricing

Barbose, Galen; Goldman, Charles; Neenan, Bernie

2004-01-01T23:59:59.000Z

89

Spectrum survey for reliable communications of cognitive radio based smart grid network  

Science Journals Connector (OSTI)

The smart grid (SG) system is expected to involve huge amount of data with different levels of priorities to different applications or users. The traditional grid which tend to deploy propriety networks with limited coverage and bandwidth, is not sufficient to support large scale SG network. Cognitive radio (CR) is a promising communication platform for SG network by utilizing potentially all available spectrum resources, subject to interference constraint. In order to develop a reliable communication framework for CR based SG network, thorough investigations on the current radio spectrum are required. This paper presents the spectrum utilization in Malaysia, specifically in the UHF/VHF bands, cellular (GSM 900, GSM 1800 and 3G), WiMAX, ISM and LTE band. The goal is to determine the potential spectrum that can be exploit by the CR users in the SG network. Measurements was conducted for 24 hours to quantify the average spectrum usage and the amount of available bandwidth. The findings in this paper are important to provide insight of actual spectrum utilization prior to developing a reliable communication platform for CR based SG network.

Wan Farah Aqilah; Shanjeevan Jayavalan; Norazizah Mohd Aripin; Hafizal Mohamad; Aiman Ismail

2013-01-01T23:59:59.000Z

90

Designing Distributed, Real-Time Systems  

E-Print Network [OSTI]

- - Designing Distributed, Real-Time Systems Kevin L. Mills INFT 796 SUMMER 1993 DIRECTED READINGS IN SOFTWARE ENGINEERING WITH DR. H. GOMAA GEORGE MASON UNIVERSITY #12;Designing Distributed, Real-Time Systems problem faced by designers of software systems, and particularly by designers of distributed, real

Mills, Kevin

91

Real-time Detection of Parametric Roll  

E-Print Network [OSTI]

Early Detection of PArametric ROLL on Ships #12;Real-time Detection of Parametric Roll: FullReal-time Detection of Parametric Roll: Full-scale Validation Roberto Galeazzi Assistant Professor-time Detection of Parametric Roll: Full-scale validation CeSOS Highlights & AMOS Visions Conference 2 DTU

Nørvåg, Kjetil

92

A REAL-TIME AUTONOMOUS NAVIGATION ARCHITECTURE  

E-Print Network [OSTI]

A REAL-TIME AUTONOMOUS NAVIGATION ARCHITECTURE Gang Chen, Thierry Fraichard and Luis Martinez for autonomous navigation: perception, localisation, mapping, real-time motion planning and motion tracking. INTRODUCTION Autonomous navigation requires to solve a num- ber of challenging problems in domains as dif

Paris-Sud XI, Université de

93

Real Time Search User Behavior Real time search is an increasingly important area of  

E-Print Network [OSTI]

. The most frequently used terms accounted for only 0.03% of the total terms. Concerning search topics Web search. Searchers of real time content often repeat queries overtime, perhaps indicating long term content increasingly enters the main stream. Keywords Real time search, real time content, Collecta

Jansen, James

94

Coordinated Home Energy Management for Real-Time Power Balancing  

E-Print Network [OSTI]

This paper proposes a coordinated home energy management system (HEMS) architecture where the distributed residential units cooperate with each other to achieve real-time power balancing. The economic benefits for the retailer and incentives for the customers to participate in the proposed coordinated HEMS program are given. We formulate the coordinated HEMS design problem as a dynamic programming (DP) and use approximate DP approaches to efficiently handle the design problem. A distributed implementation algorithm based on the convex optimization based dual decomposition technique is also presented. Our focus in the current paper is on the deferrable appliances, such as Plug-in (Hybrid) Electric Vehicles (PHEV), in view of their higher impact on the grid stability. Simulation results shows that the proposed coordinated HEMS architecture can efficiently improve the real-time power balancing.

Chang, Tsung-Hui; Scaglione, Anna

2012-01-01T23:59:59.000Z

95

Property:Real-Time | Open Energy Information  

Open Energy Info (EERE)

Real-Time Real-Time Jump to: navigation, search Property Name Real-Time Property Type String Pages using the property "Real-Time" Showing 25 pages using this property. (previous 25) (next 25) 1 1.5-ft Wave Flume Facility + No + 10-ft Wave Flume Facility + No + 11-ft Wave Flume Facility + No + 2 2-ft Flume Facility + No + 3 3-ft Wave Flume Facility + No + 5 5-ft Wave Flume Facility + No + 6 6-ft Wave Flume Facility + No + A Alden Large Flume + Yes + Alden Small Flume + Yes + Alden Tow Tank + Yes + Alden Wave Basin + Yes + B Breakwater Research Facility + No + Bucknell Hydraulic Flume + No + C Carderock 2-ft Variable Pressure Cavitation Water Tunnel + No + Carderock 3-ft Variable Pressure Cavitation Water Tunnel + No + Carderock Circulating Water Channel + No +

96

Real time vibraphone pitch and timbre classification :  

E-Print Network [OSTI]

A Pitch Tracking . . . . . . B Percussion Classi?cation CDIEGO Real Time Vibraphone Pitch and Timbre Classi?cation ABrown, G. J. , 2003: A multi-pitch tracking algorithm for

Larke, Kevin

2008-01-01T23:59:59.000Z

97

REAL TIME SYSTEM OPERATIONS 2006-2007  

E-Print Network [OSTI]

based on real?time PMU data  by observing the differences as  analysis of WECC PMU data.  The recommended analysis approach.   V (pu) P-V curve PMU data P (pu) P-V curve PMU

Eto, Joseph H.

2008-01-01T23:59:59.000Z

98

Wavelet technique based islanding detection and improved repetitive current control for reliable operation of grid-connected PV systems  

Science Journals Connector (OSTI)

Abstract Recent years have witnessed a thrust towards the use of solar energy as the major renewable energy source for distributed power generation. The proposed system requires reliable detection technique and suitable current control strategy for proper operation. This paper focuses on plug-in repetitive current (RC) control strategy for grid connected inverter system and wavelet technique for electrical grid status identification. The performance of proposed current control technique employed for grid connected inverter system under distorted and unbalanced grid voltage is compared with the existing conventional methods like PI and PR controller. This controller uses the feedback control system for attenuating periodic disturbances, improving high quality sinusoidal output current and high power factor. The proposed scheme employs fourth order infinite impulse response (IIR) filter for maintaining its resonance frequency, output frequency matching with grid fundamental frequency and reduction of harmonics. The DC-DC boost converter implements incremental conductance based (INC) maximum power point tracker (MPPT) algorithm. The effects of LCL filter for improving disturbance rejection capability and dynamic performance of the proposed system is also demonstrated. Grid connected PV inverter employs wavelet technique for an islanding detection functionality in order to determine the status of the electrical grid. In order to show the effectiveness of the proposed algorithm, modeling and simulation for grid connected PV system is performed using MATLAB/SIMULINK and its PowerSim toolbox.

Smitha Joyce Pinto; Gayadhar Panda

2015-01-01T23:59:59.000Z

99

Real-Time Traffic Information for Emergency Evacuations  

SciTech Connect (OSTI)

There are many instances in which it is possible to plan ahead for an emergency evacuation (e.g., a chemical processing facility explosion). For those cases, if an accident were to happen, then the best evacuation plan for the prevailing network and weather conditions would be deployed. In other cases (e.g., the derailment of a train transporting hazardous materials), there may not be any previously developed plan to be implemented, and decisions must be made ad-hoc on how to proceed with an emergency evacuation. In both situations, the availability of real-time traffic information plays a critical role in the management of the evacuation operations. Due to cost constraints, only large urban areas have traffic sensor deployments that permit access to some sort of real-time traffic information; an evacuation taking place in other areas of the country would have to proceed without real-time traffic information. In order to improve operations during a vehicular emergency evacuation anywhere, a system of sensors that uses newly developed real-time traffic-information-gathering technologies to assess traffic conditions and to detect incidents on the main evacuation routes is presented in this paper. A series of tests, both in a controlled environment and in the field, were conducted to study the feasibility of such a system of traffic sensors and to assess its ability to provide real-time traffic information during an emergency evacuation. The results of these tests indicated that the prototype sensors are reliable and accurate for the type of application that is the focus of this paper.

Franzese, Oscar [ORNL] [ORNL; Zhang, Li [Mississippi State University (MSU)] [Mississippi State University (MSU); Mahmoud, Anas M. [Mississippi State University (MSU)] [Mississippi State University (MSU)

2010-01-01T23:59:59.000Z

100

Vehicle to Micro-Grid: Leveraging Existing Assets for Reliable Energy Management (Poster), NREL (National Renewable Energy Laboratory)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

to Micro-Grid: Leveraging Existing Assets for Reliable Energy Management to Micro-Grid: Leveraging Existing Assets for Reliable Energy Management Mike Simpson, Tony Markel, and Michael O'Keefe National Renewable Energy Laboratory INTRODUCTION OPPORTUNITY National Renewable Energy Laboratory Presented at the 4th International Conference on Integration of Renewable & Distributed Energy Resources, December 6-10 , 2010 * Albuquerque, New Mexico U.S. military bases, such as Fort Carson, are interested in opportunities to lower energy consumption and use renewable resources. l Electricity GCV Micro-Grid The Smith Electric Newton all-electric truck Fort Carson Photovoltaic Installation NREL PIX 17631 NREL PIX # 17394 Natural Gas Renewable Energy Truck Fleet Diesel Generators

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Optimal Throughput and Self-adaptability of Robust Real-Time IEEE 802.15.4 MAC for AMI Mesh Network  

Science Journals Connector (OSTI)

A smart grid refers to a modernization of the electricity system that brings intelligence, reliability, efficiency and optimality to the power grid. To provide an automated and widely distributed energy delivery, the smart grid will be branded by a two-way flow of electricity and information system between energy suppliers and their customers. Thus, the smart grid is a power grid that integrates data communication networks which provide the collected and analysed data at all levels in real time. Therefore, the performance of communication systems is so vital for the success of smart grid. Merit to the ZigBee/IEEE802.15.4std low cost, low power, low data rate, short range, simplicity and free licensed spectrum that makes wireless sensor networks (WSNs) the most suitable wireless technology for smart grid applications. Unfortunately, almost all ZigBee channels overlap with wireless local area network (WLAN) channels, resulting in severe performance degradation due to interference. In order to improve the performance of communication systems, this paper proposes an optimal throughput and self-adaptability of ZigBee/IEEE802.15.4std for smart grid.

Hikma Shabani; Musse Mohamud Ahmed; Sheroz Khan; Shahab Ahmed Hameed; Mohamed Hadi Habaebi

2013-01-01T23:59:59.000Z

102

Axial Tomography from Digitized Real Time Radiography  

DOE R&D Accomplishments [OSTI]

Axial tomography from digitized real time radiographs provides a useful tool for industrial radiography and tomography. The components of this system are: x-ray source, image intensifier, video camera, video line extractor and digitizer, data storage and reconstruction computers. With this system it is possible to view a two dimensional x-ray image in real time at each angle of rotation and select the tomography plane of interest by choosing which video line to digitize. The digitization of a video line requires less than a second making data acquisition relatively short. Further improvements on this system are planned and initial results are reported.

Zolnay, A. S.; McDonald, W. M.; Doupont, P. A.; McKinney, R. L.; Lee, M. M.

1985-01-18T23:59:59.000Z

103

Improving grid reliability through integration of distributed PV and energy storage  

Science Journals Connector (OSTI)

Several emerging technologies, namely, high penetration grid-connected distributed photovoltaics (PV), energy storage, and smart grid have seen tremendous growth in recent years. Because of their interconnected nature, the deployed systems are fairly ...

Guohui Yuan

2012-01-01T23:59:59.000Z

104

Towards Soft Real-Time Applications on Enterprise Desktop Grids  

E-Print Network [OSTI]

, such as SETI@home [1], FOLDING@home [2], and EIN- STEIN@home [3], use TeraFlops of computing power of hundreds

Paris-Sud XI, Université de

105

Autonomous global sky monitoring with real-time robotic follow-up  

SciTech Connect (OSTI)

We discuss the development of prototypes for a global grid of advanced 'thinking' sky sentinels and robotic follow-up telescopes that observe the full night sky to provide real-time monitoring of the night sky by autonomously recognizing anomalous behavior, selecting targets for detailed investigation, and making real-time anomaly detection to enable rapid recognition and a swift response to transients as they emerge. This T3 global EO grid avoids the limitations imposed by geography and weather to provide persistent monitoring of the night sky.

Vestrand, W Thomas [Los Alamos National Laboratory; Davis, H [Los Alamos National Laboratory; Wren, J [Los Alamos National Laboratory; Wozniak, P [Los Alamos National Laboratory; Norman, B [Los Alamos National Laboratory; White, R [Los Alamos National Laboratory; Bloch, J [Los Alamos National Laboratory; Fenimore, E [Los Alamos National Laboratory; Hodge, Barry [AFRL; Jah, Moriba [AFRL; Rast, Richard [AFRL

2008-01-01T23:59:59.000Z

106

Production of real?time holographic interferograms  

Science Journals Connector (OSTI)

The equipment and procedure needed to produce view and record good quality real?time holographic interferograms in the undergraduate laboratory are described in step?by?step detail. Major concerns in the production processing and viewing are discussed further. Some investigations are suggested.

Keith Lubell; Robert Prigo

1987-01-01T23:59:59.000Z

107

Real-Time Optimization Strategies for Building Systems  

E-Print Network [OSTI]

Jul 2, 2011 ... Abstract: We propose real-time optimization strategies for energy ... proactive, optimization, real-time, electricity markets, energy management.

Victor Zavala

2011-07-02T23:59:59.000Z

108

Real Time Tailpipe Emission Measurements | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Real Time Tailpipe Emission Measurements Real Time Tailpipe Emission Measurements 2002 DEER Conference Presentation: Brookhaven National Laboratory 2002deerimre.pdf More...

109

Autonomous, Decentralized Grid Architecture: Prosumer-Based Distributed Autonomous Cyber-Physical Architecture for Ultra-Reliable Green Electricity Networks  

SciTech Connect (OSTI)

GENI Project: Georgia Tech is developing a decentralized, autonomous, internet-like control architecture and control software system for the electric power grid. Georgia Tech’s new architecture is based on the emerging concept of electricity prosumers—economically motivated actors that can produce, consume, or store electricity. Under Georgia Tech’s architecture, all of the actors in an energy system are empowered to offer associated energy services based on their capabilities. The actors achieve their sustainability, efficiency, reliability, and economic objectives, while contributing to system-wide reliability and efficiency goals. This is in marked contrast to the current one-way, centralized control paradigm.

None

2012-01-11T23:59:59.000Z

110

Real time gamma-ray signature identifier  

DOE Patents [OSTI]

A real time gamma-ray signature/source identification method and system using principal components analysis (PCA) for transforming and substantially reducing one or more comprehensive spectral libraries of nuclear materials types and configurations into a corresponding concise representation/signature(s) representing and indexing each individual predetermined spectrum in principal component (PC) space, wherein an unknown gamma-ray signature may be compared against the representative signature to find a match or at least characterize the unknown signature from among all the entries in the library with a single regression or simple projection into the PC space, so as to substantially reduce processing time and computing resources and enable real-time characterization and/or identification.

Rowland, Mark (Alamo, CA); Gosnell, Tom B. (Moraga, CA); Ham, Cheryl (Livermore, CA); Perkins, Dwight (Livermore, CA); Wong, James (Dublin, CA)

2012-05-15T23:59:59.000Z

111

Visualizations for Real-time Pricing Demonstration  

SciTech Connect (OSTI)

In this paper, the visualization tools created for monitoring the operations of a real-time pricing demonstration system that runs at a distribution feeder level are presented. The information these tools provide gives insights into demand behavior from automated price responsive devices, distribution feeder characteristics, impact of weather on system’s development, and other significant dynamics. Given the large number of devices that bid into a feeder-level real-time electricity market, new techniques are explored to summarize the present state of the system and contrast that with previous trends as well as future projections. To better understand the system behavior and correctly inform decision-making procedures, effective visualization of the data is imperative.

Marinovici, Maria C.; Hammerstrom, Janelle L.; Widergren, Steven E.; Dayley, Greg K.

2014-10-13T23:59:59.000Z

112

Real-Time Demand Side Energy Management  

E-Print Network [OSTI]

Real-Time Demand Side Energy Management Annelize Victor Michael Brodkorb Sr. Business Consultant Business Development Manager Aspen Technology, Inc. Aspen Technology España, S.A. Houston, TX Barcelona, Spain ABSTRACT To remain... competitive, manufacturers must capture opportunities to increase bottom-line profitability. The goal of this paper is to present a new methodology for reducing energy costs – “Demand-Side Energy Management.” Learn how process manufacturers assess energy...

Victor, A.; Brodkorb, M.

2006-01-01T23:59:59.000Z

113

Real Time Monitoring: Achieving Energy Efficiency  

E-Print Network [OSTI]

ABSTRACT: IECBO?s International Conference for Enhanced Building Operations November 17-18, 2009 Austin, Texas. Energy @ Work www.Energy-Efficiency.com File: Rouse_ Abstract Contact: scott.rouse@energy-efficiency....com, (416) 402-0525 Proposal Type: o Electronic proposal for presentation Title of Paper: o Real Time Monitoring: Achieving Energy Efficiency! Conference: o ICEBO?s International Conference for Enhanced Building Operations Submitted by: o...

Rouse, S.

114

IEEE TRANSACTIONS ON SMART GRID, VOL. 5, NO. 4, JULY 2014 1677 Reliability Assessment of Smart Grids Considering  

E-Print Network [OSTI]

connectivity in the cyber network and minimize the load curtail- ment in the power network. A high and protection., power system reliability. NOMENCLATURE Number of data sources. Number of cyber elements in the system. Number of loads in the power network. Number of transmission lines in the power network. Number

Fu, Yong

115

Smart Grid Update: Delivering More Reliable and Efficient Power to the Nation’s Capital  

Broader source: Energy.gov [DOE]

Smart grid investments are transforming power delivery in the nation's Capital and nearby states. Ryan Egidi saw this first-hand when he visited Pepco Holdings Inc. (PHI) last month to mark the recent completion of three Recovery Act-funded Smart Grid Investment Grant (SGIG) projects.

116

Real Time Biomedical Data Streaming Platform (RIMES): a data-intensive virtual environment  

E-Print Network [OSTI]

Real Time Biomedical Data Streaming Platform (RIMES): a data-intensive virtual environment Kejun@ucsd.edu Abstract - In this paper we present Real tIme bioMEdical data Streaming platform (RIMES), a data of California, San Diego. RIMES extends scientists' desktops to biomedical grid computation resources and mass

Schulze, Jürgen P.

117

Distributed digital real-time control system for TCV tokamak  

Science Journals Connector (OSTI)

Abstract A new digital feedback control system (named the SCD “Système de Contrôle Distribué”) has been developed, integrated and used successfully to control TCV (Tokamak à Configuration Variable) plasmas. The system is designed to be modular, distributed, and scalable, accommodating hundreds of diagnostic inputs and actuator outputs. With many more inputs and outputs available than previously possible, it offers the possibility to design advanced control algorithms with better knowledge of the plasma state and to coherently control all TCV actuators, including poloidal field (PF) coils, gas valves, the gyrotron powers and launcher angles of the electron cyclotron heating and current drive system (ECRH/ECCD) together with diagnostic triggering signals. The system consists of multiple nodes; each is a customised Linux desktop or embedded PC which may have local ADC and DAC cards. Each node is also connected to a memory network (reflective memory) providing a reliable, deterministic method of sharing memory between all nodes. Control algorithms are programmed as block diagrams in Matlab-Simulink providing a powerful environment for modelling and control design. The C code is generated automatically from the Simulink block diagram and compiled, with the Simulink Embedded Coder (SEC, formerly Real-Time Workshop Embedded Coder), into a Linux shared library (“.so” file) and distributed to target nodes in the discharge preparation phase. During the TCV discharge, an application on each node is executed that dynamically loads the shared library at runtime. In order to obtain reliable and reproducible real time execution of the algorithm, all interrupts to the CPU on each node are suspended just before firing the shot and re-enabled afterwards. Since installation, the new digital control system has been used for a multitude of plasma control applications, ranging from basic experiments of coil current and density control to advanced experiments of MHD (magnetohydrodynamics) and plasma profile control, as well as real-time plasma transport simulations. Recently, a real-time version of a plasma equilibrium reconstruction code was developed and implemented, providing the future possibility to control the plasma shape and profiles directly during the discharge evolution. This paper presents the architecture of the new control system, its integration into the TCV plant and a sample of control applications used for TCV plasma discharges.

H.B. Le; F. Felici; J.I. Paley; B.P. Duval; J.-M. Moret; S. Coda; O. Sauter; D. Fasel; P. Marmillod

2014-01-01T23:59:59.000Z

118

Software-Based Challenges of Developing the Future Distribution Grid  

E-Print Network [OSTI]

distribution  grid  can  provide  vital  information  for   reliability  distribution  grid   loads  in  order  to  ensure  grid  reliability.  

Stewart, Emma

2014-01-01T23:59:59.000Z

119

Baton Rouge Complex Steam Real Time Optimization  

E-Print Network [OSTI]

Baton Rouge Complex Steam Real Time Optimization IETC 2014 New Orleans, Louisiana Tope Iyun ExxonMobil Chemical Company May 22, 2014 ESL-IE-14-05-32 Proceedings of the Thrity-Sixth Industrial Energy Technology Conference New Orleans, LA. May 20...-23, 2014 Proprietary 2 Agenda • Baton Rouge Complex • Steam System Overview • Energy Efficiency Improvement Strategy • Site-Wide Steam System Optimization • Results • Benefits/Wrap-Up ESL-IE-14-05-32 Proceedings of the Thrity-Sixth Industrial Energy...

Iyun, T.

2014-01-01T23:59:59.000Z

120

Real-time push middleware and mobile application for electric vehicle smart charging and aggregation  

Science Journals Connector (OSTI)

This paper presents a real-time push middleware and mobile application for data and multimedia content delivery to enable electric vehicle smart charging and aggregation. Intelligent aggregation and charge scheduling software can leverage the battery capacity of an EV to level peak loads by delaying or throttling charging during peak loads, 'valley fill' during off-peak times, and contribute to demand response and spinning reserves by sending electricity into the grid. EV users are updated on the status of their vehicle and may set their charge parameters via web or native mobile application. Facility and utility operators can monitor and control garage and microgrid status through a separate web or mobile application. The content to facilitate aggregated smart charging and monitoring may come from a variety of sources including web servers, ftp servers, Bluetooth or Zigbee or other protocol sensors, and local or remote databases. The middleware will accept content upload and database storage, securely provide content to outside entities, match content to user subscriptions, use user context including connection speed, device type, and location to deliver appropriately formatted content, and provide a reliable mechanism for push content delivery to a multitude of devices including mobile phones and tablet.

Siddhartha Mal; Rajit Gadh

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Latency and Bandwidth Analysis of LTE for a Smart Grid.  

E-Print Network [OSTI]

?? Smart grid has been proposed as an alternative to the traditional electricity grid recently thanks to its advantages of real time control on consumption… (more)

Xu, Yuzhe

2011-01-01T23:59:59.000Z

122

Real-TIme Raman Gas Composition Analyzer  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Analyzer Analyzer Opportunity The Department of Energy's National Energy Technology Laboratory (NETL) is seeking collaborative research partners interested in implementing United States Provisional Patent Application entitled "Gas Sensing System Employing Raman Scattering". Disclosed in this application is a gas analyzing sensor that characterizes gaseous fuel, exhaust gases, or other process gas streams. The sensor reports concentrations of all majority gases at better than 0.3% accuracy in 1 second or less, and can be used for real-time gas analysis and system control. The sensor relies on novel techniques to enhance usually weak spontaneous Raman emissions from sample gases, enabling the application of Raman spectroscopy to rapid gas analysis. No commercially available sensor or sensing

123

NREL: Awards and Honors - Real-Time Biomass Analysis  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Biomass Analysis Developers: Dr. Bob Meglen, Dr. Steve Kelly, and Dr. Bonnie Hames, National Renewable Energy Laboratory. Real-Time Biomass Analysis (RTBA), is a portable...

124

Ames Lab 101: Real-Time 3D Imaging  

ScienceCinema (OSTI)

Ames Laboratory scientist Song Zhang explains his real-time 3-D imaging technology. The technique can be used to create high-resolution, real-time, precise, 3-D images for use in healthcare, security, and entertainment applications.

Zhang, Song

2012-08-29T23:59:59.000Z

125

An off-line multiprocessor real-time scheduling algorithm to reduce static energy consumption  

E-Print Network [OSTI]

An off-line multiprocessor real-time scheduling algorithm to reduce static energy consumption, France laurent.pautet@telecom-paristech.fr Abstract--Energy consumption of highly reliable real dynamic energy consumption. This paper aims to propose a new off-line schedul- ing algorithm to put

Paris-Sud XI, Université de

126

Smart Grid  

Broader source: Energy.gov [DOE]

The Energy Department is investing in strategic partnerships to accelerate the Smart Grid -- a two-way, intuitive system that will result in more efficient and reliable electricity for all grid users.

127

Grid Integration  

Broader source: Energy.gov [DOE]

The Wind Program works with electric grid operators, utilities, regulators, and industry to create new strategies for incorporating increasing amounts of wind energy into the power system while maintaining economic and reliable operation of the grid.

128

A Data Driven Framework for Real Time Power System Event Detection and Visualization  

E-Print Network [OSTI]

Increased adoption and deployment of phasor measurement units (PMU) has provided valuable fine-grained data over the grid. Analysis over these data can provide real-time insight into the health of the grid, thereby improving control over operations. Realizing this data-driven control, however, requires validating, processing and storing massive amounts of PMU data. This paper describes a PMU data management system that supports input from multiple PMU data streams, features an event-detection algorithm, and provides an efficient method for retrieving archival data. The event-detection algorithm rapidly correlates multiple PMU data streams, providing details on events occurring within the power system in real-time. The event-detection algorithm feeds into a visualization component, allowing operators to recognize events as they occur. The indexing and data retrieval mechanism facilitates fast access to archived PMU data. Using this method, we achieved over 30x speedup for queries with high selectivity. With th...

McCamish, Ben; Landford, Jordan; Bass, Robert; Cotilla-Sanchez, Eduardo; Chiu, David

2015-01-01T23:59:59.000Z

129

California ISO Real-Time Voltage Security Assessment (VSA) Summary Report  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Real-Time Voltage Security Assessment (VSA) Summary Report Prepared For: California Energy Commission Public Interest Energy Research Program Prepared By: Lawrence Berkeley National Laboratory Consortium for Electric Reliability Technology Solutions APPENDIX B October 2008 CEC-500-2008-049-APB Prepared By: Lawrence Berkeley National Laboratory Joe Eto, Manu Parashar, Bernard Lesieutre, and Nancy Jo Lewis Berkeley, CA Administered by University of California, California Institute for Energy and Environment under 500-99-013, BOA-138. Jim Cole, Larry Miller Oakland, California 94612 Commission Contract No. 500-02-004 Commission Work Authorization No: MR-036 Prepared For: Public Interest Energy Research (PIER) California Energy Commission

130

North American Electric Reliability Corporation (NERC): Reliability  

Broader source: Energy.gov (indexed) [DOE]

Corporation (NERC): Reliability Corporation (NERC): Reliability Considerations from the Integration of Smart Grid North American Electric Reliability Corporation (NERC): Reliability Considerations from the Integration of Smart Grid North American Electric Reliability Corporation (NERC): Reliability Considerations from the Integration of Smart Grid. NERC develops and enforces Reliability Standards; assesses adequacy annually via a ten-year forcast and winter and summer forecasts; monitors the bulk power systems; and educates, trains, and certifies industry personnel. North American Electric Reliability Corporation (NERC): Reliability Considerations from the Integration of Smart Grid More Documents & Publications Re: DOE Request for Information - Implementing the National Broadband Plan by Studying the Communications Requirements of Electric Utilities to

131

A Framework for Real-Time Service-Oriented Architecture  

E-Print Network [OSTI]

and reasoning in service-oriented architectures,” Journal offor Real-Time Service-Oriented Architecture Mark Panahi,Abstract—Service-oriented architectures (SOA), though widely

Panahi, Mark; Nie, Weiran; Lin, Kwei-Jay

2009-01-01T23:59:59.000Z

132

USB Interfacing and Real Time Data Plotting with MATLAB  

E-Print Network [OSTI]

USB Interfacing and Real Time Data Plotting with MATLAB Department of Electrical and Computer................................................................................................................................3 MATLAB Programming....................................................................................................................................................6 MATLAB Realtime Plot Code

Ashrafi, Ashkan

133

Real-Time Pricing of Electricity: An Assessment  

E-Print Network [OSTI]

. This paper reviews one of these new rate design proposals, "spot market" or "real-time" pricing, and discusses some recent implementations in Texas....

Baughman, M. L.; Zarnikau, J.

134

Optimization Online - Stochastic Real-Time Scheduling of Wind ...  

E-Print Network [OSTI]

Jan 3, 2015 ... Stochastic Real-Time Scheduling of Wind-thermal Generation Units in ... Keywords: conditional value at risk, uncertainty modeling, wind energy.

Alireza Soroudi

2015-01-03T23:59:59.000Z

135

Reliability Testing Beyond Qualification as a Key Component in Photovoltaic's Progress Toward Grid Parity: Preprint  

SciTech Connect (OSTI)

This paper discusses why it is necessary for new lower cost PV modules to be tested using a reliability test sequence that goes beyond the Qualification test sequence now utilized for modules. Today most PV modules are warranted for 25 years, but the Qualification Test Sequence does not test for 25-year life. There is no accepted test protocol to validate a 25-year lifetime. This paper recommends the use of long term accelerated testing to compare now designs directly with older designs that have achieved long lifetimes in outdoor exposure. If the new designs do as well or better than the older ones, then it is likely that they will survive an equivalent length of time in the field.

Wohlgemuth, J. H.; Kurtz, S.

2011-02-01T23:59:59.000Z

136

Advanced Kalman Filter for Real-Time Responsiveness in Complex Systems  

SciTech Connect (OSTI)

Complex engineering systems pose fundamental challenges in real-time operations and control because they are highly dynamic systems consisting of a large number of elements with severe nonlinearities and discontinuities. Today’s tools for real-time complex system operations are mostly based on steady state models, unable to capture the dynamic nature and too slow to prevent system failures. We developed advanced Kalman filtering techniques and the formulation of dynamic state estimation using Kalman filtering techniques to capture complex system dynamics in aiding real-time operations and control. In this work, we looked at complex system issues including severe nonlinearity of system equations, discontinuities caused by system controls and network switches, sparse measurements in space and time, and real-time requirements of power grid operations. We sought to bridge the disciplinary boundaries between Computer Science and Power Systems Engineering, by introducing methods that leverage both existing and new techniques. While our methods were developed in the context of electrical power systems, they should generalize to other large-scale scientific and engineering applications.

Welch, Gregory Francis [UNC-Chapel Hill/University of Central Florida] [UNC-Chapel Hill/University of Central Florida; Zhang, Jinghe [UNC-Chapel Hill/Virginia Tech] [UNC-Chapel Hill/Virginia Tech

2014-06-10T23:59:59.000Z

137

Feedback Control Real-Time Scheduling: Framework, Modeling, and Algorithms*  

E-Print Network [OSTI]

1 Feedback Control Real-Time Scheduling: Framework, Modeling, and Algorithms* Chenyang Lu John A}@virginia.edu Abstract This paper presents a feedback control real-time scheduling (FCS) framework for adaptive real. In particular, we establish a dynamic model and performance analysis of several feedback control scheduling

Son, Sang H.

138

Groupware for Real-Time Drawing: A Designer's Guide  

E-Print Network [OSTI]

Groupware for Real-Time Drawing: A Designer's Guide Saul Greenberg Stephen Hayne Roy Rada Cite as: Greenberg, S., Hayne, S., and Rada, R., eds (1995). Groupware for Real-Time Drawing: A Designer's Guide. 248 (Wolf, Rhyne, Briggs) 6. Integration of interpersonal space and shared workspace: ClearBoard design

Greenberg, Saul

139

Demonstration of Real-time Spectrum Sensing for Cognitive Radio  

E-Print Network [OSTI]

Demonstration of Real-time Spectrum Sensing for Cognitive Radio Zhe Chen, Nan Guo, and Robert C sensing detects the availability of the radio frequency spectrum in a real-time fashion, which is essen Cognitive radio (CR) has been put forward to make effi- cient use of scarce radio frequency spectrum

Qiu, Robert Caiming

140

Modelling the world in real time: how robots engineer information  

Science Journals Connector (OSTI)

...Modelling the world in real time: how robots engineer information. | Programming robots and...Modelling the world in real time: how robots engineer information By Andrew J. Davison Robotics...articulated objects and interface-quality hand tracking. In Proc. Eur. Conf...

2003-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Real-time Remote Sensing of Snowmobiles Emissions at  

E-Print Network [OSTI]

Real-time Remote Sensing of Snowmobiles Emissions at Yellowstone National Park: An Oxygenated Fuel 68509 #12;Real-time Remote Sensing of Snowmobile Emissions at Yellowstone National Park 2 Executive emissions from snowmobiles. Ratios of CO, HC and toluene to CO2 were measured and used to calculate %CO, %HC

Denver, University of

142

Mining, Modeling, and Analyzing Real-Time Social Trails  

E-Print Network [OSTI]

-time social trails that reflect the digital footprints of crowds of real-time web users in response to real-world events or online phenomena. These digital footprints correspond to the artifacts strewn across the real-time web like posting of messages...

Kamath, Krishna Y

2013-05-28T23:59:59.000Z

143

Real?Time Plasma Control Tools for Advanced Tokamak Operation  

Science Journals Connector (OSTI)

Real?time control will play an important role in the operation and scientific exploitation of the new generation fusion devices. This paper summarizes the real?time systems and diagnostics developed by the Portuguese Fusion Euratom Association based on digital signal processors and field programmable gate arrays.

C. A. F. Varandas; J. Sousa; A. P. Rodrigues; B. B. Carvalho; H. Fernandes; A. J. Batista; N. Cruz; A. Combo; R. C. Pereira; CFN Control and Data Acquisition Group

2006-01-01T23:59:59.000Z

144

Utility Accrual Real-Time Scheduling for Multiprocessor Embedded Systems  

E-Print Network [OSTI]

Utility Accrual Real-Time Scheduling for Multiprocessor Embedded Systems Hyeonjoong Cho a Binoy We present the first Utility Accrual (or UA) real-time scheduling algorithm for mul- tiprocessors, called global Multiprocessor Utility Accrual scheduling algorithm (or gMUA). The algorithm considers

Ravindran, Binoy

145

Comparison of component frameworks for real-time embedded systems  

Science Journals Connector (OSTI)

The use of components significantly helps in development of real-time embedded systems. There have been a number of component frameworks developed for this purpose, and some of them have already became well established in this area. Even though these ... Keywords: Component frameworks, Component-based development, Real-time and embedded systems

Tomáš Pop, Petr Hn?tynka, Petr Hošek, Michal Malohlava, Tomáš Bureš

2014-07-01T23:59:59.000Z

146

Scalable Distributed Automation System: Scalable Real-time Decentralized Volt/VAR Control  

SciTech Connect (OSTI)

GENI Project: Caltech is developing a distributed automation system that allows distributed generators—solar panels, wind farms, thermal co-generation systems—to effectively manage their own power. To date, the main stumbling block for distributed automation systems has been the inability to develop software that can handle more than 100,000 distributed generators and be implemented in real time. Caltech’s software could allow millions of generators to self-manage through local sensing, computation, and communication. Taken together, localized algorithms can support certain global objectives, such as maintaining the balance of energy supply and demand, regulating voltage and frequency, and minimizing cost. An automated, grid-wide power control system would ease the integration of renewable energy sources like solar power into the grid by quickly transmitting power when it is created, eliminating the energy loss associated with the lack of renewable energy storage capacity of the grid.

None

2012-03-01T23:59:59.000Z

147

Vids4Grids: Smart Meters and Super Cables | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Grids: Smart Meters and Super Cables Grids: Smart Meters and Super Cables Vids4Grids: Smart Meters and Super Cables March 14, 2011 - 4:46pm Addthis This episode of Vids 4 Grids will take us to Itron's smart meter factory in West Union, SC where we will learn the role smart meters play in the Smart Grid. Deborah J. Buterbaugh Energy Project Specialist at National Energy Technology Laboratory What does this mean for me? Smart meters allow consumers to get real time information about their energy usage. Super cables help provide more reliable electricity to your home. In January we introduced you to the Vids4Grids project, a series of videos targeting students in high school and starting college. Through integration into curricula and online posting for open viewing, the project aims to increase awareness and create interest in power systems careers to help

148

Vids4Grids: Smart Meters and Super Cables | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Vids4Grids: Smart Meters and Super Cables Vids4Grids: Smart Meters and Super Cables Vids4Grids: Smart Meters and Super Cables March 14, 2011 - 4:46pm Addthis This episode of Vids 4 Grids will take us to Itron's smart meter factory in West Union, SC where we will learn the role smart meters play in the Smart Grid. Deborah J. Buterbaugh Energy Project Specialist at National Energy Technology Laboratory What does this mean for me? Smart meters allow consumers to get real time information about their energy usage. Super cables help provide more reliable electricity to your home. In January we introduced you to the Vids4Grids project, a series of videos targeting students in high school and starting college. Through integration into curricula and online posting for open viewing, the project aims to increase awareness and create interest in power systems careers to help

149

Microwave Plasma Monitoring System For Real-Time Elemental Analysis  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Microwave Plasma Monitoring System For Real-Time Elemental Analysis Microwave Plasma Monitoring System For Real-Time Elemental Analysis Microwave Plasma Monitoring System For Real-Time Elemental Analysis The invention apparatus can also be used to monitor for the presence of halogens, sulfur and silicon. Available for thumbnail of Feynman Center (505) 665-9090 Email Microwave Plasma Monitoring System For Real-Time Elemental Analysis There has been invented a process for analyzing ambient air in a microwave induced plasma without use of an additional carrier gas. There has also been invented an apparatus for analyzing ambient air, other sample gas, or nebulized and desolvated liquids wherein a novel arrangement of plasma gas and sample gas conduits is used to enhance dependability of the plasma. This apparatus embodiment of the invention has a concentric arrangement of

150

Scheduling of real-time communication network for parallel processing  

E-Print Network [OSTI]

As real-time applications become more and more complicated their demands of processing capacity can hardly be satisfied. Massively parallel computers, such as Intel Paragon, with their scalable architecture and tremendous processing power make them...

Li, Hung

2012-06-07T23:59:59.000Z

151

Factorization of the Ashikhmin BRDF for real-time rendering  

Science Journals Connector (OSTI)

Ashikhmin and Shirley have proposed an anisotropic BRDF model that is physically plausible and has intuitive parameters. We present an analytical factorization of the Ashikhmin BRDF that is suitable for real-time implementation on all graphics accelerators, ...

Mauro Steigleder; Michael D. McCool

2002-12-01T23:59:59.000Z

152

Real time observations of the nucleation and growth of nanowires...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real time observations of the nucleation and growth of nanowires and nanotubes December 1, 2011 at 3pm36-428 Eric Stach Center for Functional Nanomaterials, Brookhaven National...

153

Real-time state estimation of laboratory flows  

E-Print Network [OSTI]

In this project, we use a real time computer model to simulate a differentially heated laboratory annulus. The laboratory annulus allows us to study chaotic flows typical of the atmosphere. Our objective is to bring the ...

Stransky, Scott (Scott M.)

2007-01-01T23:59:59.000Z

154

Real-time Multi-period truckload routing problems  

E-Print Network [OSTI]

In this thesis we consider a multi-period truckload pick-up and delivery problem dealing with real-time requests over a finite time horizon. We introduce the notion of postponement of requests, whereby the company can ...

Limpaitoon, Tanachai

2008-01-01T23:59:59.000Z

155

Vibration analysis by speckle techniques in real time  

Science Journals Connector (OSTI)

Vibration analysis in quasi-real time is studied by recording the time-averaged speckle pattern in a bismuth silicon oxide crystal (Bi12SiO20). When the crystal...

Tiziani, H J; Klenk, J

1981-01-01T23:59:59.000Z

156

Real-time Water Waves with Wave Particles  

E-Print Network [OSTI]

This dissertation describes the wave particles technique for simulating water surface waves and two way fluid-object interactions for real-time applications, such as video games. Water exists in various different forms in our environment...

Yuksel, Cem

2010-10-12T23:59:59.000Z

157

High speed, real-time, camera bandwidth converter  

DOE Patents [OSTI]

Image data from a CMOS sensor with 10 bit resolution is reformatted in real time to allow the data to stream through communications equipment that is designed to transport data with 8 bit resolution. The incoming image data has 10 bit resolution. The communication equipment can transport image data with 8 bit resolution. Image data with 10 bit resolution is transmitted in real-time, without a frame delay, through the communication equipment by reformatting the image data.

Bower, Dan E; Bloom, David A; Curry, James R

2014-10-21T23:59:59.000Z

158

Real-time electron density measurements from Cotton-Mouton effect in JET machine  

SciTech Connect (OSTI)

Real-time density profile measurements are essential for advanced fusion tokamak operation and interferometry is a proven method for this task. Nevertheless, as a consequence of edge localized modes, pellet injections, fast density increases, or disruptions, the interferometer is subject to fringe jumps, which produce loss of the signal preventing reliable use of the measured density in a real-time feedback controller. An alternative method to measure the density is polarimetry based on the Cotton-Mouton effect, which is proportional to the line-integrated electron density. A new analysis approach has been implemented and tested to verify the reliability of the Cotton-Mouton measurements for a wide range of plasma parameters and to compare the density evaluated from polarimetry with that from interferometry. The density measurements based on polarimetry are going to be integrated in the real-time control system of JET since the difference with the interferometry is within one fringe for more than 90% of the cases.

Brombin, M. [Consorzio RFX, Associazione EURATOM-ENEA, Corso Stati Uniti 4, 35127 Padova (Italy); Electrical Engineering Department, Padova University, via Gradenigo 6-A, 35131 Padova (Italy); Boboc, A.; Zabeo, L. [EURATOM/UKAEA Fusion Association, Culham Science Centre, OX14 3DB Abingdon (United Kingdom); Murari, A. [Consorzio RFX, Associazione EURATOM-ENEA, Corso Stati Uniti 4, 35127 Padova (Italy)

2008-10-15T23:59:59.000Z

159

Supervisory Feed-Forward Control for Real-Time Topping Cycle CHP Operation  

SciTech Connect (OSTI)

This paper presents an energy dispatch algorithm for real-time topping cycle Cooling, Heating, and Power (CHP) operation for buildings with the objective of minimizing the operational cost, primary energy consumption (PEC), or carbon dioxide emission (CDE). The algorithm features a supervisory feed-forward control for real-time CHP operation using short-term weather forecasting. The advantages of the proposed control scheme for CHP operation are (a) relatively simple and efficient implementation allowing realistic real-time operation , (b) optimized CHP operation with respect to operational cost, PEC, or CDE, and (c) increased site-energy consumption (SEC) resulting in less dependence on the electric grid. In the feed-forward portion of the control scheme, short-term electric, cooling, and heating loads are predicted using the U.S. Department of Energy (DOE) benchmark small office building model. The results are encouraging regarding the potential saving of operational cost, PEC, and CDE from using the control system for a CHP system with electric and thermal energy storages.

Cho, Heejin; Luck, Rogelio; Chamra, Louay M.

2010-03-01T23:59:59.000Z

160

Prototype Phasor-Based Real-Time Monitoring Software Tool - Training Presentation  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Prototype Phasor-Based Real-Time Monitoring Prototype Phasor-Based Real-Time Monitoring Software Tool - Training Presentation Prepared For: California Energy Commission Public Interest Energy Research Program Prepared By: Lawrence Berkeley National Laboratory Consortium for Electric Reliability Technology Solutions APPENDIX E October 2008 CEC-500-2008-049-APE Prepared By: Lawrence Berkeley National Laboratory Joe Eto, Manu Parashar, Bernard Lesieutre, and Nancy Jo Lewis Berkeley, CA Administered by University of California, California Institute for Energy and Environment under 500-99-013, BOA-138. Jim Cole, Larry Miller Oakland, California 94612 Commission Contract No. 500-02-004 Commission Work Authorization No: MR-036 Prepared For: Public Interest Energy Research (PIER)

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Mahanaxar: quality of service guarantees in high-bandwidth, real-time streaming data storage  

SciTech Connect (OSTI)

Large radio telescopes, cyber-security systems monitoring real-time network traffic, and others have specialized data storage needs: guaranteed capture of an ultra-high-bandwidth data stream, retention of the data long enough to determine what is 'interesting,' retention of interesting data indefinitely, and concurrent read/write access to determine what data is interesting, without interrupting the ongoing capture of incoming data. Mahanaxar addresses this problem. Mahanaxar guarantees streaming real-time data capture at (nearly) the full rate of the raw device, allows concurrent read and write access to the device on a best-effort basis without interrupting the data capture, and retains data as long as possible given the available storage. It has built in mechanisms for reliability and indexing, can scale to meet arbitrary bandwidth requirements, and handles both small and large data elements equally well. Results from our prototype implementation shows that Mahanaxar provides both better guarantees and better performance than traditional file systems.

Bigelow, David [Los Alamos National Laboratory; Bent, John [Los Alamos National Laboratory; Chen, Hsing - Bung [Los Alamos National Laboratory; Brandt, Scott [UCSC

2010-01-01T23:59:59.000Z

162

Real-time operating systems at higher control  

SciTech Connect (OSTI)

Although virtually all development of real-time operating systems focuses on the lowest of the three traditional control levels, sheet economics demands higher level real-time OSs. Meeting this demand requires a major change in the mindset of the people who have been focusing on the lowest level of control. {open_quotes}These people are trying to deal with an elephant`s tail, but they don`t realize that there is an elephant attached to it.{close_quotes} For more than three decades, the historical real-time mindset, concepts and techniques have been driven by a particular pair of contexts. First is the application context, which can be characterized as {open_quotes}small, simple, centralized, static subsystems for low-level, sampled data, monitoring and first-order control.{close_quotes} Second is the hardware context, characterized by a scarcity of hardware resources due to size, weight, power and cost considerations. Both of these contexts are changing dramatically in ways that {open_quotes}have a significant impact on the concepts and techniques of real-time computing.{close_quotes} Hardware now offers much higher performance and the real-time domain is expanding upward in the application control hierarchy.

Jensen, E.D.

1995-01-01T23:59:59.000Z

163

Tracking Living Cells as They Differentiate in Real Time  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Tracking Living Cells as They Differentiate in Real Time Print Tracking Living Cells as They Differentiate in Real Time Print Protein phosphorylation regulates protein function in a cell, either activating or inactivating the proteins responsible for many cell functions ranging from cell proliferation to differentiation to metabolism to signaling, and even programmed cell death. This chemical process has been studied intensively, but until now it has been impossible to watch phosphorylation at the molecular level without damaging cells or interfering with the very processes being examined. Using ALS Infrared Beamline 1.4.3, a group of researchers led by Hoi-Ying Holman, director of the Berkeley Synchrotron Infrared Structural Biology program at the ALS, developed a new technique for monitoring protein phosphorylation inside living mammalian cells, enabling them to follow cellular chemical changes in real time, without bias.

164

Tracking Living Cells as They Differentiate in Real Time  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Tracking Living Cells as They Differentiate in Real Time Print Tracking Living Cells as They Differentiate in Real Time Print Protein phosphorylation regulates protein function in a cell, either activating or inactivating the proteins responsible for many cell functions ranging from cell proliferation to differentiation to metabolism to signaling, and even programmed cell death. This chemical process has been studied intensively, but until now it has been impossible to watch phosphorylation at the molecular level without damaging cells or interfering with the very processes being examined. Using ALS Infrared Beamline 1.4.3, a group of researchers led by Hoi-Ying Holman, director of the Berkeley Synchrotron Infrared Structural Biology program at the ALS, developed a new technique for monitoring protein phosphorylation inside living mammalian cells, enabling them to follow cellular chemical changes in real time, without bias.

165

Tracking Living Cells as They Differentiate in Real Time  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Tracking Living Cells as They Tracking Living Cells as They Differentiate in Real Time Tracking Living Cells as They Differentiate in Real Time Print Thursday, 27 September 2012 00:00 Protein phosphorylation regulates protein function in a cell, either activating or inactivating the proteins responsible for many cell functions ranging from cell proliferation to differentiation to metabolism to signaling, and even programmed cell death. This chemical process has been studied intensively, but until now it has been impossible to watch phosphorylation at the molecular level without damaging cells or interfering with the very processes being examined. Using ALS Infrared Beamline 1.4.3, a group of researchers led by Hoi-Ying Holman, director of the Berkeley Synchrotron Infrared Structural Biology program at the ALS, developed a new technique for monitoring protein phosphorylation inside living mammalian cells, enabling them to follow cellular chemical changes in real time, without bias.

166

Low Dose Radiation Research Program: Research Highlights - Real-time  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-time imaging of repair processes possible with Nickel-63 Real-time imaging of repair processes possible with Nickel-63 microirradiator Microscope Microscope stage-mounted microirradiation system. (A) Overall system shown mounted on a micromanipulator housed within a heated, humidified, environmental chamber of a microscope. (B) Close-up showing attachment of device to the micromanipulator. (C) Detail showing the bend in the enclosing capillary, which allows positioning of the active surface directly above the target cell. (D) Microirradiator tip in dissecting microscope. (E) Close-up view through microscope optics (scale bar, 10 microns.) Background: Scientists know that mammalian cells begin a nucleoplasmic repair process within seconds after being exposed to ionizing radiation. Real-time imaging of this process could further understanding of the

167

Tracking Living Cells as They Differentiate in Real Time  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Tracking Living Cells as They Differentiate in Real Time Print Tracking Living Cells as They Differentiate in Real Time Print Protein phosphorylation regulates protein function in a cell, either activating or inactivating the proteins responsible for many cell functions ranging from cell proliferation to differentiation to metabolism to signaling, and even programmed cell death. This chemical process has been studied intensively, but until now it has been impossible to watch phosphorylation at the molecular level without damaging cells or interfering with the very processes being examined. Using ALS Infrared Beamline 1.4.3, a group of researchers led by Hoi-Ying Holman, director of the Berkeley Synchrotron Infrared Structural Biology program at the ALS, developed a new technique for monitoring protein phosphorylation inside living mammalian cells, enabling them to follow cellular chemical changes in real time, without bias.

168

Tracking Living Cells as They Differentiate in Real Time  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Tracking Living Cells as They Differentiate in Real Time Print Tracking Living Cells as They Differentiate in Real Time Print Protein phosphorylation regulates protein function in a cell, either activating or inactivating the proteins responsible for many cell functions ranging from cell proliferation to differentiation to metabolism to signaling, and even programmed cell death. This chemical process has been studied intensively, but until now it has been impossible to watch phosphorylation at the molecular level without damaging cells or interfering with the very processes being examined. Using ALS Infrared Beamline 1.4.3, a group of researchers led by Hoi-Ying Holman, director of the Berkeley Synchrotron Infrared Structural Biology program at the ALS, developed a new technique for monitoring protein phosphorylation inside living mammalian cells, enabling them to follow cellular chemical changes in real time, without bias.

169

Java Automation Controller and Real-Time Systems  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Java Automation Controller and Real-Time Systems Java Automation Controller and Real-Time Systems Speaker(s): Greg Bollella Date: June 29, 2009 - 12:00pm Location: 90-3122 Java has always been a disruptive technology and now it is breaking the mold in industrial, process, building, and transportation automation systems. For many years, programmable logic controllers (PLCs), the digital versions of old relay-based control systems (such as that used in the NYC Subway system in the late 1800s) have primarily controlled these systems. PLCs are the workhorses of the controls industry but the market is characterized by proprietary, closed, expensive, special-purpose solutions. A Java-based automation controller breaks the mold by allowing control algorithms, which require strict real-time capabilities, to run on

170

Real Time Flame Monitoring of Gasifier Burner and Injectors  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real Time Flame Monitoring of Gasifier Real Time Flame Monitoring of Gasifier Burner and Injectors Background The Gasification Technologies Program at the National Energy Technology Laboratory (NETL) supports research and development (R&D) in the area of gasification-a process whereby carbon-based materials (feedstocks) such as coal are converted into synthesis gas (syngas), which is separated into hydrogen (H 2 ) and carbon dioxide (CO 2 ) gas streams in a combustion turbine-generator as a way to generate clean electricity while

171

Towards Real Time Diagnostics of Hybrid Welding Laser/GMAW  

SciTech Connect (OSTI)

Methods are currently being developed towards a more robust system real time feedback in the high throughput process combining laser welding with gas metal arc welding. A combination of ultrasonic, eddy current, electronic monitoring, and visual techniques are being applied to the welding process. Initial simulation and bench top evaluation of proposed real time techniques on weld samples are presented along with the concepts to apply the techniques concurrently to the weld process. Consideration for the eventual code acceptance of the methods and system are also being researched as a component of this project. The goal is to detect defects or precursors to defects and correct when possible during the weld process.

Timothy Mcjunkin; Dennis C. Kunerth; Corrie Nichol; Evgueni Todorov; Steve Levesque; Feng Yu; Robert Danna Couch

2013-07-01T23:59:59.000Z

172

A real-time airborne scatterometer data processor  

E-Print Network [OSTI]

Subject: Electrical Fngineering A REAL-TIME AIRBORNE SCATTEROMETER DATA PROCESSOR A Thesis by Gary James Reisor Approved as to style and content by: arrman o Committee Hea o Depa tment em er Mem er August 1976 ABSTRACT A Real-time Airborne... data stream in an industry standard format so that external devices for testing and data storage can be easily interfaced to the RASP system. Bi-phase Level Output (Big-L output) - Provides a high speed, synchronous, bit serial data output port...

Reisor, Gary James

2012-06-07T23:59:59.000Z

173

A heterogeneous hierarchical architecture for real-time computing  

SciTech Connect (OSTI)

The need for high-speed data acquisition and control algorithms has prompted continued research in the area of multiprocessor systems and related programming techniques. The result presented here is a unique hardware and software architecture for high-speed real-time computer systems. The implementation of a prototype of this architecture has required the integration of architecture, operating systems and programming languages into a cohesive unit. This report describes a Heterogeneous Hierarchial Architecture for Real-Time (H{sup 2} ART) and system software for program loading and interprocessor communication.

Skroch, D.A.; Fornaro, R.J.

1988-12-01T23:59:59.000Z

174

Utility-Scale Power Router: Dynamic Control of Grid Assets Using Direct AC Converter Cells  

SciTech Connect (OSTI)

ADEPT Project: Georgia Tech is developing a cost-effective, utility-scale power router that uses an enhanced transformer to more efficiently direct power on the grid. Existing power routing technologies are too expensive for widespread use, but the ability to route grid power to match real-time demand and power outages would significantly reduce energy costs for utilities, municipalities, and consumers. Georgia Tech is adding a power converter to an existing grid transformer to better control power flows at about 1/10th the cost of existing power routing solutions. Transformers convert the high-voltage electricity that is transmitted through the grid into the low-voltage electricity that is used by homes and businesses. The added converter uses fewer steps to convert some types of power and eliminates unnecessary power storage, among other improvements. The enhanced transformer is more efficient, and it would still work even if the converter fails, ensuring grid reliability.

None

2010-09-01T23:59:59.000Z

175

Quasi-parallel network applications in real-time distribution management system  

Science Journals Connector (OSTI)

In modern distribution management systems (DMSs), the real-time calculation of the network's state plays an important role for the operation of the network. High sophisticated algorithms for the estimation and calculation of the system's state like distribution system state estimation (DSSE), distribution system power and short circuit calculations (DSPF and SCC), voltage var control (VVC) and others must operate in a real-time environment, supplying subsequently running functions with reliable input data. Closed-loop requirements also increase the requirements concerning performance, availability and robustness. In this paper, an implementation of the sequence control of different DMS-network applications is presented. This proposed real-time scheduler takes advantage of CPU-cores inside of a modern computer system: by passing subtasks to different CPU-cores, the overall performance is significantly increased. The scheduling process is analysed in detail taking the nature of a distribution system into consideration. The presentation is finalised with a report about the gain of performance for the state estimation process.

Izudin Dzafic; Hans-Theo Neisius

2012-01-01T23:59:59.000Z

176

Constraint Orientated Specification with CSP and Real Time Temporal Logic  

E-Print Network [OSTI]

Constraint Orientated Specification with CSP and Real Time Temporal Logic Justin Pearson Department Processes (CSP) [Hoa85] and a version of Propositional Temporal Logic (PTL), derived from [Eme90]. CSP. The behaviour of a CSP process is dependent on its environment; it is therefore difficult to assert global

Kent, University of

177

Concurrent and Real Time Systems: the CSP approach Steve Schneider  

E-Print Network [OSTI]

Concurrent and Real Time Systems: the CSP approach by Steve Schneider First published 1999 Systems the CSP approach Steve Schneider A Wiley-Interscience Publication JOHN WILEY & SONS, INC. New York Whitehead This book provides an introduction to Communicating Sequential Processes (CSP) and its use

Doran, Simon J.

178

Flash Memory Garbage Collection in Hard Real-Time Systems  

E-Print Network [OSTI]

-date behavior and time consuming garbage collection mechanism, NAND-based flash memory is difficult to integrate into hard-real-time embedded systems. In this thesis, I propose a performance model for flash memory garbage collection that can be used...

Lai, Chien-An

2012-10-19T23:59:59.000Z

179

: A Testbed for Empirically Comparing Real-Time Multiprocessor Schedulers  

E-Print Network [OSTI]

on M processors any pe- riodic task system with total utilization at most M [2], and the global-deadline-first (EDF) scheduling, pre- emptive and nonpreemptive global EDF scheduling, and two variants of the global-real-time constraints. To our knowledge, this paper is the first attempt by anyone to compare partitioned and global

Anderson, James

180

Real Time PMU-Based Stability Monitoring Final Project Report  

E-Print Network [OSTI]

Real Time PMU-Based Stability Monitoring Final Project Report Power Systems Engineering Research@eecs.wsu.edu Phone: 509-335-1150 Power Systems Engineering Research Center The Power Systems Engineering Research Center (PSERC) is a multi-university Center conducting research on challenges facing the electric power

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Oxybuoy: Constructing a Real-Time Inexpensive Hypoxia Monitoring Platform  

E-Print Network [OSTI]

Oxybuoy: Constructing a Real-Time Inexpensive Hypoxia Monitoring Platform Rizal Nor1 , Mikhail on using research vessels to collect water samples for subsequent chemical anal- ysis or to deploy DO premiums to recoup their development costs. Another commercial strategy is to develop a sensor platform

Nesterenko, Mikhail

182

REAL-TIME EQUILIBRIUM RECONSTRUCTION IN A TOKAMAK  

E-Print Network [OSTI]

REAL-TIME EQUILIBRIUM RECONSTRUCTION IN A TOKAMAK J. Blum, C. Boulbe and B. Faugeras Laboratoire J reconstruction of the plasma current density in a Tokamak and of its equilibrium. The problem consists equilibrium of a plasma in a Tokamak. The experimental measurements that enable this identification

Paris-Sud XI, Université de

183

Real Time Emulations: Foundation and Applications Azalia Mirhoseini  

E-Print Network [OSTI]

developed and used emulations to overcome and complement the shortcomings of simulations for logic verifi Measurement, Performance Keywords Real-time emultion, Thermal modeling 1. INTRODUCTION AND MOTIVATION At large vineyards, there are often several rose bushes planted throughout. The reason is not the romantic nature

184

ENERGY MANAGEMENT REAL-TIME MULTI-TIER INTERNET SERVICES  

E-Print Network [OSTI]

ENERGY MANAGEMENT IN REAL-TIME MULTI-TIER INTERNET SERVICES A Dissertation Presented to the faculty This dissertation has been read and approved by the examining Committee: Kevin Skadron (Advisor) Sudhanva Gurumurthi and Applied Science: James H. Aylor (Dean) May 2008 #12;Abstract Energy management only recently emerged

Skadron, Kevin

185

Real Time Dynamic Fracture with Volumetric Approximate Convex Decompositions  

E-Print Network [OSTI]

¨uller Nuttapong Chentanez Tae-Yong Kim NVIDIA Figure 1: Destruction of a Roman arena with 1m vertices and 500k and complex objects in real time. The common method for fracture simulation in computer games is to pre-fracture models and replace objects by their pre-computed parts at run-time. This popular method

Müller-Fischer, Matthias

186

Real-time control of individual agents for crowd simulation  

Science Journals Connector (OSTI)

This paper presents a novel approach for individual agent's motion simulation in real-time virtual environments. In our model, we focus on addressing two problems: 1) the control model for local motions. We propose to represent a combination of psychological ... Keywords: Crowd simulation, Individual agents controlling, Path planning, Virtual environments

Yunbo Rao; Leiting Chen; Qihe Liu; Weiyao Lin; Yanmei Li; Jun Zhou

2011-08-01T23:59:59.000Z

187

Hierarchical Architecture for Real-Time Adaptive Resource Management  

E-Print Network [OSTI]

, Mihaela Cardei1 , Allalaghatta Pavan2 Honeywell Technology Center 3660 Technology Drive, Minneapolis, MN 55418, USA 1 {ionut, mihaela}@cs.umn.edu, 2 {jha, pavan}@htc.honeywell.com Abstract. This paper presents the Real Time Adaptive Resource Management system (RTARM1 ), developed at the Honeywell Technology Center

Cardei, Ionut

188

Mobile multipath cooperative network for real-time streaming  

Science Journals Connector (OSTI)

Access links are often times the bottlenecks of wireless wide area networks (WWAN). The prevalent use of multimedia applications on mobile devices introduces an ever increasing traffic load on WWAN access links, leading to traffic congestion and unsatisfactory ... Keywords: Mobile multimedia service, Multiple description coding, Network architecture, Overlay network, Quality of experience, Real-time streaming

Viji Raveendran; Phanikumar Bhamidipati; Xun Luo; Xiaolong Huang; Chao Jia

2012-09-01T23:59:59.000Z

189

The development of real–time substructure testing  

Science Journals Connector (OSTI)

...research-article Theme Issue Dynamic testing of structures compiled by M. S. Williams...development of real-time substructure testing A. Blakeborough 1 M. S. Williams 1...Bath BA2 7AY, UK Full-scale dynamic testing of civil engineering structures is extremely...

2001-01-01T23:59:59.000Z

190

Accuracy of near real time updates in wind power forecasting  

E-Print Network [OSTI]

· advantage: no NWP data necessary ­ very actual shortest term forecasts possible · wind power inputAccuracy of near real time updates in wind power forecasting with regard to different weather October 2007 #12;EMS/ECAM 2007 ­ Nadja Saleck Outline · Study site · Wind power forecasting - method

Heinemann, Detlev

191

Closed-loop real-time control on distributed networks  

E-Print Network [OSTI]

in presence of network delays and packet losses. A single actuator magnetic ball levitation system was used as a test bed to validate the proposed algorithm. A brief study of real-time requirements of the networked control system is presented and a client-server...

Ambike, Ajit Dilip

2004-11-15T23:59:59.000Z

192

Real-Time Networked Control with Multiple Clients  

E-Print Network [OSTI]

in this research due to its better real-time performance instead of transmission control protocol (TCP). Although UDP has no guarantee for transferring data, it has smaller overheads and less time delay than TCP. Since the robotic wheelchair and the server are run...

Lee, Minhyung

2010-01-14T23:59:59.000Z

193

Real-Time Traffic Information for Emergency Evacuation Operations  

E-Print Network [OSTI]

Real-Time Traffic Information for Emergency Evacuation Operations Research Brief Oak Ridge National Environment Safety Security Vehicle Technologies T here are many instances in which it is possible to plan. The system of sensors will transmit through satellite links, or other robust communication means, real

194

Real-Time Redox Measurements during Endoplasmic Reticulum Stress Reveal  

E-Print Network [OSTI]

Real-Time Redox Measurements during Endoplasmic Reticulum Stress Reveal Interlinked Protein Folding.10.011 SUMMARY Disruption of protein folding in the endoplasmic reticulum (ER) causes unfolded proteins to accumu is active. Because ER redox po- tential is optimized for oxidative protein folding, we reasoned

Mullins, Dyche

195

REAL-TIME TRACER MONITORING OF RESERVOIR STIMULATION PROCEDURES  

SciTech Connect (OSTI)

Ongoing Phase 2 work comprises the development and field-testing of a real-time reservoir stimulation diagnostic system. Phase 3 work commenced in June 2001, and involved conducting research, development and field-testing of real-time enhanced dual-fluid stimulation processes. Experimental field-testing to date includes three well tests. Application of these real-time stimulation processes and diagnostic technologies has been technically successful with commercial production from the ''marginal'' reservoirs in the first two well tests. The third well test proved downhole-mixing is an efficient process for acid stimulation of a carbonate reservoir that produced oil and gas with 2200 psi bottomhole reservoir pressure, however, subsequent shut-in pressure testing indicated the reservoir was characterized by low-permeability. Realtimezone continues to seek patent protection in foreign markets to the benefit of both RTZ and NETL. Realtimezone and the NETL have licensed the United States patented to Halliburton Energy Services (HES). Ongoing Phase 2 and Phase 3 field-testing continues to confirm applications of both real-time technologies, from well testing conducted over the last 12-month work period and including well test scheduled for year-end of 2002. Technical data transfer to industry is ongoing via Internet tech-transfer, public presentations and industry publications. Final Phase 3 test work will be focused on further field-testing the innovational process of blending stimulation fluids downhole. This system provides a number of advantages in comparison to older industry fracturing techniques and allows the operator to control reservoir fracture propagation and concentrations of proppant placed in the reservoir, in real-time. Another observed advantage is that lower friction pressures result, which results in lower pump treating pressures and safer reservoir hydraulic fracturing jobs.

George Scott III

2002-08-01T23:59:59.000Z

196

Customer Risk from Real-Time Retail Electricity Pricing: Bill Volatility and Hedgability  

E-Print Network [OSTI]

Implementing Real- Time Retail Electricity Pricing,” CenterMarkets With Time-Invariant Retail Prices,” RAND Journal of155 Customer Risk from Real-Time Retail Electricity Pricing:

Borenstein, Severin

2007-01-01T23:59:59.000Z

197

E-Print Network 3.0 - acquisition enabling real-time Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

image data in real-time with MRI during active motion remains to be solved... -FFE, FIESTA) imaging sequence for real-time imaging of ... Source: Gilles, Benjamin -...

198

Real-Time Systems, Special Issue on Control-theoretical Approaches to Real-Time Computing, 23(1/2): 85-126, 2002 Feedback Control Real-Time Scheduling: Framework, Modeling, and Algorithms*  

E-Print Network [OSTI]

(1/2): 85-126, 2002 Feedback Control Real-Time Scheduling: Framework, Modeling, and Algorithms* Chenyang Lu}@cs.virginia.edu gt9s@ee.virginia.edu Abstract This paper presents a Feedback Control real-time Scheduling (FCS. These admission-control-based algorithms represent the third major paradigm for real-time scheduling. However

Lu, Chenyang

199

High-Performance Computing for Advanced Smart Grid Applications  

SciTech Connect (OSTI)

The power grid is becoming far more complex as a result of the grid evolution meeting an information revolution. Due to the penetration of smart grid technologies, the grid is evolving as an unprecedented speed and the information infrastructure is fundamentally improved with a large number of smart meters and sensors that produce several orders of magnitude larger amounts of data. How to pull data in, perform analysis, and put information out in a real-time manner is a fundamental challenge in smart grid operation and planning. The future power grid requires high performance computing to be one of the foundational technologies in developing the algorithms and tools for the significantly increased complexity. New techniques and computational capabilities are required to meet the demands for higher reliability and better asset utilization, including advanced algorithms and computing hardware for large-scale modeling, simulation, and analysis. This chapter summarizes the computational challenges in smart grid and the need for high performance computing, and present examples of how high performance computing might be used for future smart grid operation and planning.

Huang, Zhenyu; Chen, Yousu

2012-07-06T23:59:59.000Z

200

Consortium for Electric Reliability Technology Solutions Grid of the Future White Paper on Review of Recent Reliability Issues and Systems Events  

SciTech Connect (OSTI)

This report is one of six reports developed under the U.S. Department of Energy (DOE) program in Power System Integration and Reliability (PSIR). The objective of this report is to review, analyze, and evaluate critical reliability issues demonstrated by recent disturbance events in the North America power system. Eleven major disturbances are examined, most occurring in this decade. The strategic challenge is that the pattern of technical need has persisted for a long period of time. For more than a decade, anticipation of market deregulation has been a major disincentive to new investments in system capacity. It has also inspired reduced maintenance of existing assets. A massive infusion of better technology is emerging as the final option to continue reliable electrical services. If an investment in better technology will not be made in a timely manner, then North America should plan its adjustments to a very different level of electrical service. It is apparent that technical operations staff among the utilities can be very effective at marshaling their forces in the immediate aftermath of a system emergency, and that serious disturbances often lead to improved mechanisms for coordinated operation. It is not at all apparent that such efforts can be sustained through voluntary reliability organizations in which utility personnel external to those organizations do most of the technical work. The eastern interconnection shows several situations in which much of the technical support has migrated from the utilities to the Independent System Operator (ISO), and the ISO staffs or shares staff with the regional reliability council. This process may be a natural and very positive consequence of utility restructuring. If so, the process should be expedited in regions where it is less advanced.

Hauer, John F.; Dagle, Jeffery E.

1999-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Advanced Modeling Grid Research Program | Department of Energy  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Development » Advanced Modeling Grid Development » Advanced Modeling Grid Research Program Advanced Modeling Grid Research Program The electric power industry has undergone extensive changes over the past several decades and become substantially more complex, dynamic, and uncertain, as new market rules, regulatory policies, and technologies have been adopted. The availability of more detailed data about system conditions from devices, such as phasor measurement units (PMUs) for wide area visibility and advanced meter infrastructure (AMI) for dynamic pricing and demand response, can be a great benefit for electric system reliability and flexibility. However, this large volume (and variety) of data poses its own challenges. Shifting operational data analytics from a traditionally off-line environment to real-time situational awareness (e.g., visibility) to

202

The Application of Neural Networks to Electric Power Grid Simulation  

Science Journals Connector (OSTI)

A neural network approach is being developed to enable real time simulations for large scale dynamic system simulations of the electric power grid. If the grid is decomposed into several...

Emily T. Swain; Yunlin Xu; Rong Gao…

2006-01-01T23:59:59.000Z

203

Real-Time Raman Gas Composition Sensor.pdf  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Sensor Sensor Opportunity Technology/Capability Overview Benefits to Partner Development Status Contact The NETL Real-time Raman Gas Composition Analyzer determines the composition of a flowing gaseous sample in real-time and provides the concentration of each gas in that sample. . . . ‡ Testing partners would have the opportunity to evaluate the performance of the prototype system, implement new feed-forward controls, and may help shape the commercial product configuration ‡ This sensor will greatly benefit the power industry, as well as other industries utilizing gaseous input or output streams by enabling smarter control to increase process efficiency and reduce emissions ‡ We are seeking opportunities to field test the prototype instruments in power and industrial applications, as well

204

Real Time Monitoring of Self Assembled Monolayers Using ATR: Implications  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real Time Monitoring of Self Assembled Monolayers Using ATR: Implications Real Time Monitoring of Self Assembled Monolayers Using ATR: Implications to Atmospheric Organic Surfaces Speaker(s): Yael Dubowski Date: December 10, 2003 - 12:00pm Location: Bldg. 90 Seminar Host/Point of Contact: Hugo Destaillats Most studies of heterogeneous reactions on aerosols have focused on their implications for gas phase species. Less attention, however, has been given to the modification of aerosol surfaces during such reactions. Alteration of aerosol surface species may affect their hygroscopic and radiative properties as well as their reactivity toward other atmospheric trace species. In the present study, we use self-assembled organic monolayers (SAM) as proxies for atmospheric organic aerosols. Detection of even very short carbon chains (i.e., C3) as well as continuous monitoring of the SAMs

205

REAL-TIME BUILDING ENERGY SIMULATION USING ENERGYPLUS AND THE  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

REAL-TIME BUILDING ENERGY SIMULATION USING ENERGYPLUS AND THE REAL-TIME BUILDING ENERGY SIMULATION USING ENERGYPLUS AND THE BUILDING CONTROLS VIRTUAL TEST BED Xiufeng Pang 1 , Prajesh Bhattacharya 1 , Zheng O'Neill 2 , Philip Haves 1 , Michael Wetter 1 , and Trevor Bailey 2 1 Lawrence Berkeley National Laboratory, Berkeley, CA, USA 2 United Technologies Research Center, East Hartford, CT, USA ABSTRACT Most commercial buildings do not perform as well in practice as intended by the design and their performances often deteriorate over time. Reasons include faulty construction, malfunctioning equipment, incorrectly configured control systems and inappropriate operating procedures (Haves et al., 2001, Lee et al., 2007). To address this problem, the paper presents a simulation-based whole building performance monitoring tool that allows a

206

Real-time seam tracking for rocket thrust chamber manufacturing  

SciTech Connect (OSTI)

A sensor-based control approach for real-time seam tracking of rocket thrust chamber assemblies has been developed to enable automation of a braze paste dispensing process. This approach utilizes a non-contact Multi-Axis Seam Tracking (MAST) sensor to track the seams. Thee MAST sensor measures capacitance variations between the sensor and the workpiece and produces four varying voltages which are read directly into the robot controller. A PID control algorithm which runs at the application program level has been designed based upon a simple dynamic model of the combined robot and sensor plant. The control algorithm acts on the incoming sensor signals in real-time to guide the robot motion along the seam path. Experiments demonstrate that seams can be tracked at 100 mm/sec within the accuracy required for braze paste dispensing.

Schmitt, D.J.; Novak, J.L. [Sandia National Labs., Albuquerque, NM (United States); Starr, G.P. [New Mexico Univ., Albuquerque, NM (United States); Maslakowski, J.E. [Rockwell International Corp., Canoga Park, CA (United States). Rocketdyne Div.

1993-11-01T23:59:59.000Z

207

Subsystem real-time Time Dependent Density Functional Theory  

E-Print Network [OSTI]

We present the extension of Frozen Density Embedding (FDE) theory to real-time Time Dependent Density Functional Theory (rt-TDDFT). FDE a is DFT-in-DFT embedding method that allows to partition a larger Kohn-Sham system into a set of smaller, coupled Kohn-Sham systems. Additional to the computational advantage, FDE provides physical insight into the properties of embedded systems and the coupling interactions between them. The extension to rt-TDDFT is done straightforwardly by evolving the Kohn-Sham subsystems in time simultaneously, while updating the embedding potential between the systems at every time step. Two main applications are presented: the explicit excitation energy transfer in real time between subsystems is demonstrated for the case of the Na$_4$ cluster and the effect of the embedding on optical spectra of coupled chromophores. In particular, the importance of including the full dynamic response in the embedding potential is demonstrated.

Krishtal, Alisa; Pavanello, Michele

2015-01-01T23:59:59.000Z

208

Real time markerless motion tracking using linked kinematic chains  

DOE Patents [OSTI]

A markerless method is described for tracking the motion of subjects in a three dimensional environment using a model based on linked kinematic chains. The invention is suitable for tracking robotic, animal or human subjects in real-time using a single computer with inexpensive video equipment, and does not require the use of markers or specialized clothing. A simple model of rigid linked segments is constructed of the subject and tracked using three dimensional volumetric data collected by a multiple camera video imaging system. A physics based method is then used to compute forces to align the model with subsequent volumetric data sets in real-time. The method is able to handle occlusion of segments and accommodates joint limits, velocity constraints, and collision constraints and provides for error recovery. The method further provides for elimination of singularities in Jacobian based calculations, which has been problematic in alternative methods.

Luck, Jason P. (Arvada, CO); Small, Daniel E. (Albuquerque, NM)

2007-08-14T23:59:59.000Z

209

Embedded Real-Time Systems Electrical Model Quad Rotor UAV  

E-Print Network [OSTI]

Sys (2013-2014) #12;10 System SW view joystick QR PC link PC lift roll pitch yaw sensorsES joystickIn4073 Embedded Real-Time Systems Electrical Model Quad Rotor UAV #12;2 TE0300 FPGA System HW view), pitch rate (M), and yaw rate (N) (see qrsim for example!) x z y engine 4 engine 3 engine 2 engine 1 In

Langendoen, Koen

210

Real-time trend monitoring of gas compressor stations  

SciTech Connect (OSTI)

The authors' company has developed a machinery health monitoring system (MHealth) for short-term and long-term historical trending and analysis of data from its 40 gas compressor stations. The author discusses the benefits of real-time trending in troubleshooting operations, in preventative maintenance scheduling and cites specific applications in the startup operations of several new gas compressor/centrifugal compressor units.

Van Hardeveld, T. (Nova, an Alberta Corp., AB (Canada))

1991-02-01T23:59:59.000Z

211

A versatile real-time spectral analysis system  

E-Print Network [OSTI]

. CONCLUSIONS AND RECOMMENDATIONS REFERENCES APPENDIX A. MINDOWING APPENDIX B. CCD TRANSVERSAL FILTERS VITA Page 65 71 73 81 92 93 105 105 106 106 108 112 114 134 170 LIST OF FIGURES Figure 1. Filterbank Technique for Spectral Analysis 2... 1. Filter Bank Technique 2. Sliding Filter Technique 3. Dispersive Filter Technique 4. Discrete Fourier Transform Techniques B. Applications Requiring Spectral Analysis . . 1. Real-Time Radar Scatterometer Data Processing 2. Chirp FN Radar Data...

Hancock, Mark Steven

2012-06-07T23:59:59.000Z

212

Looking at Transistor Gate Oxide Formation in Real Time  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Looking at Transistor Gate Oxide Formation in Real Time Print Looking at Transistor Gate Oxide Formation in Real Time Print The oxide gate layer is critical to every transistor, and present-day layer thicknesses are in the 10-20 Å range (1-2 nm). However, little information exists on the oxidation process at this thickness. Available results are either for thicker layers grown under high-pressure conditions or for only the first couple of monolayers studied under high-vacuum conditions. Now, for the first time, a group of researchers has obtained real-time oxidation results for this elusive range. Using the ambient-pressure x-ray photoelectron spectroscopy (APXPS) endstation at ALS Beamline 9.3.2, they examined oxidation of Si(100) at pressures up to 1 torr and temperatures up to 450 ºC. The Si 2p chemical shifts allowed determination of oxide thickness as a function of time with a precision of 1-2 Å. The initial oxidation rate was very high (up to ~234 Å/h). Then, after an initial oxide thickness of 6-22 Å was formed, the rate decreased markedly (~1.5-4.0Å/h). Neither rate regime can be explained by the standard Deal-Grove (D-G) model for Si oxidation. These results are a significant step toward developing a better understanding of this critical thickness regime.

213

Looking at Transistor Gate Oxide Formation in Real Time  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Looking at Transistor Gate Oxide Formation in Real Time Print Looking at Transistor Gate Oxide Formation in Real Time Print The oxide gate layer is critical to every transistor, and present-day layer thicknesses are in the 10-20 Å range (1-2 nm). However, little information exists on the oxidation process at this thickness. Available results are either for thicker layers grown under high-pressure conditions or for only the first couple of monolayers studied under high-vacuum conditions. Now, for the first time, a group of researchers has obtained real-time oxidation results for this elusive range. Using the ambient-pressure x-ray photoelectron spectroscopy (APXPS) endstation at ALS Beamline 9.3.2, they examined oxidation of Si(100) at pressures up to 1 torr and temperatures up to 450 ºC. The Si 2p chemical shifts allowed determination of oxide thickness as a function of time with a precision of 1-2 Å. The initial oxidation rate was very high (up to ~234 Å/h). Then, after an initial oxide thickness of 6-22 Å was formed, the rate decreased markedly (~1.5-4.0Å/h). Neither rate regime can be explained by the standard Deal-Grove (D-G) model for Si oxidation. These results are a significant step toward developing a better understanding of this critical thickness regime.

214

Real time 3D and heterogeneous data fusion  

SciTech Connect (OSTI)

This project visualizes characterization data in a 3D setting, in real time. Real time in this sense means collecting the data and presenting it before it delays the user, and processing faster than the acquisition systems so no bottlenecks occur. The goals have been to build a volumetric viewer to display 3D data, demonstrate projecting other data, such as images, onto the 3D data, and display both the 3D and projected images as fast as the data became available. The authors have examined several ways to display 3D surface data. The most effective was generating polygonal surface meshes. They have created surface maps form a continuous stream of 3D range data, fused image data onto the geometry, and displayed the data with a standard 3D rendering package. In parallel with this, they have developed a method to project real-time images onto the surface created. A key component is mapping the data on the correct surfaces, which requires a-priori positional information along with accurate calibration of the camera and lens system.

Little, C.Q.; Small, D.E.

1998-03-01T23:59:59.000Z

215

Looking at Transistor Gate Oxide Formation in Real Time  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Looking at Transistor Gate Oxide Formation in Real Time Print Looking at Transistor Gate Oxide Formation in Real Time Print The oxide gate layer is critical to every transistor, and present-day layer thicknesses are in the 10-20 Å range (1-2 nm). However, little information exists on the oxidation process at this thickness. Available results are either for thicker layers grown under high-pressure conditions or for only the first couple of monolayers studied under high-vacuum conditions. Now, for the first time, a group of researchers has obtained real-time oxidation results for this elusive range. Using the ambient-pressure x-ray photoelectron spectroscopy (APXPS) endstation at ALS Beamline 9.3.2, they examined oxidation of Si(100) at pressures up to 1 torr and temperatures up to 450 ºC. The Si 2p chemical shifts allowed determination of oxide thickness as a function of time with a precision of 1-2 Å. The initial oxidation rate was very high (up to ~234 Å/h). Then, after an initial oxide thickness of 6-22 Å was formed, the rate decreased markedly (~1.5-4.0Å/h). Neither rate regime can be explained by the standard Deal-Grove (D-G) model for Si oxidation. These results are a significant step toward developing a better understanding of this critical thickness regime.

216

Review of real-time electricity markets for integrating Distributed Energy Resources and Demand Response  

Science Journals Connector (OSTI)

Abstract The high penetration of both Distributed Energy Resources (DER) and Demand Response (DR) in modern power systems requires a sequence of advanced strategies and technologies for maintaining system reliability and flexibility. Real-time electricity markets (RTM) are the non-discriminatory transaction platforms for providing necessary balancing services, where the market clearing (nodal or zonal prices depending on markets) is very close to real time operations of power systems. One of the primary functions of \\{RTMs\\} in modern power systems is establishing an efficient and effective mechanism for small DER and DR to participate in balancing market transactions, while handling their meteorological or intermittent characteristics, facilitating asset utilization, and stimulating their active responses. Consequently, \\{RTMs\\} are dedicated to maintaining the flexibility and reliability of power systems. This paper reviews advanced typical \\{RTMs\\} respectively in the North America, Australia and Europe, focusing on their market architectures and incentive policies for integrating DER and DR in electricity markets. In this paper, \\{RTMs\\} are classified into three groups: Group I applies nodal prices implemented by optimal power flow, which clears energy prices every 5 min. Group II applies zonal prices, with the time resolution of 5-min. Group III is a general balancing market, which clears zonal prices intro-hourly. The various successful advanced RTM experiences have been summarized and discussed, which provides a technical overview of the present \\{RTMs\\} integrating DER and DR.

Qi Wang; Chunyu Zhang; Yi Ding; George Xydis; Jianhui Wang; Jacob Østergaard

2015-01-01T23:59:59.000Z

217

IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, VOL. 31, NO. 7, JULY 2013 1 Demand Response Management via Real-time  

E-Print Network [OSTI]

IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, VOL. 31, NO. 7, JULY 2013 1 Demand Response through demand response management in smart grid systems. The proposed scheme solves a two. Index Terms--Real-time pricing, Demand response manage- ment, Payoff maximization, Profit maximization

Huang, Jianwei

218

SMART WATER GRID PLAN B TECHNICAL REPORT  

E-Print Network [OSTI]

SMART WATER GRID PLAN B TECHNICAL REPORT FALL 2014 PREPARED BY: OLGA MARTYUSHEVA IN PARTIAL demand linked to the global population increase. A Smart Water Grid (SWG) is a two-way real time network, and others. A review of the benefits of Smart Water Grids is presented in the context of water conservation

Julien, Pierre Y.

219

Decision-Support Software for Grid Operators: Transmission Topology Control for Infrastructure Resilience to the Integration of Renewable Generation  

SciTech Connect (OSTI)

GENI Project: The CRA team is developing control technology to help grid operators more actively manage power flows and integrate renewables by optimally turning on and off entire power lines in coordination with traditional control of generation and load resources. The control technology being developed would provide grid operators with tools to help manage transmission congestion by identifying the facilities whose on/off status must change to lower generation costs, increase utilization of renewable resources and improve system reliability. The technology is based on fast optimization algorithms for the near to real-time change in the on/off status of transmission facilities and their software implementation.

None

2012-03-16T23:59:59.000Z

220

Near real time vapor detection and enhancement using aerosol adsorption  

SciTech Connect (OSTI)

A vapor sample detection method where the vapor sample contains vapor and ambient air and surrounding natural background particles. The vapor sample detection method includes the steps of generating a supply of aerosol that have a particular effective median particle size, mixing the aerosol with the vapor sample forming aerosol and adsorbed vapor suspended in an air stream, impacting the suspended aerosol and adsorbed vapor upon a reflecting element, alternatively directing infrared light to the impacted aerosol and adsorbed vapor, detecting and analyzing the alternatively directed infrared light in essentially real time using a spectrometer and a microcomputer and identifying the vapor sample.

Novick, Vincent J.; Johnson, Stanley A.

1997-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Data Fusion Framework: concurrent architecture for real-time processing  

Science Journals Connector (OSTI)

In the last few decades, a new way of interpreting multi-sensor array processing techniques and artificial intelligence systems has been introduced. This theory focuses on interactions and fusion between heterogeneous/homogeneous information at different layers in order to guarantee data completeness and robust resolution of hard-to-solve problems. Our research investigates this theory, well known as Data Fusion (DF). In this paper, we present an operating framework that permits DF during the elaboration flow at different levels of computation. We focused our attention on several key aspects of real-time implementation.

Stefano Laoreti; Davide Renzi; Raffaele Parisi; Aurelio Uncini

2008-01-01T23:59:59.000Z

222

Real-time human collaboration monitoring and intervention  

DOE Patents [OSTI]

A method of and apparatus for monitoring and intervening in, in real time, a collaboration between a plurality of subjects comprising measuring indicia of physiological and cognitive states of each of the plurality of subjects, communicating the indicia to a monitoring computer system, with the monitoring computer system, comparing the indicia with one or more models of previous collaborative performance of one or more of the plurality of subjects, and with the monitoring computer system, employing the results of the comparison to communicate commands or suggestions to one or more of the plurality of subjects.

Merkle, Peter B. (Sandia Park, NM); Johnson, Curtis M. (Sandia Park, NM); Jones, Wendell B. (Albuquerque, NM); Yonas, Gerold (Albuquerque, NM); Doser, Adele B. (Albuquerque, NM); Warner, David J. (Rancho Santa Fe, CA)

2010-07-13T23:59:59.000Z

223

Near real time vapor detection and enhancement using aerosol adsorption  

DOE Patents [OSTI]

A vapor sample detection method is described where the vapor sample contains vapor and ambient air and surrounding natural background particles. The vapor sample detection method includes the steps of generating a supply of aerosol that have a particular effective median particle size, mixing the aerosol with the vapor sample forming aerosol and adsorbed vapor suspended in an air stream, impacting the suspended aerosol and adsorbed vapor upon a reflecting element, alternatively directing infrared light to the impacted aerosol and adsorbed vapor, detecting and analyzing the alternatively directed infrared light in essentially real time using a spectrometer and a microcomputer and identifying the vapor sample. 13 figs.

Novick, V.J.; Johnson, S.A.

1999-08-03T23:59:59.000Z

224

Near real time vapor detection and enhancement using aerosol adsorption  

DOE Patents [OSTI]

A vapor sample detection method where the vapor sample contains vapor and ambient air and surrounding natural background particles. The vapor sample detection method includes the steps of generating a supply of aerosol that have a particular effective median particle size, mixing the aerosol with the vapor sample forming aerosol and adsorbed vapor suspended in an air stream, impacting the suspended aerosol and adsorbed vapor upon a reflecting element, alternatively directing infrared light to the impacted aerosol and adsorbed vapor, detecting and analyzing the alternatively directed infrared light in essentially real time using a spectrometer and a microcomputer and identifying the vapor sample.

Novick, Vincent J. (Downers Grove, IL); Johnson, Stanley A. (Countryside, IL)

1999-01-01T23:59:59.000Z

225

Real-Time Chemical Imaging of Bacterial Biofilm Development  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Chemical Imaging of Bacterial Biofilm Development Print Real-Time Chemical Imaging of Bacterial Biofilm Development Print Scientists have developed a robust and label-free method to probe the chemical underpinnings of developing bacterial biofilms. Almost all bacteria can form biofilms-dynamic communities of cells enclosed in self-produced matrices of polymers that stick to other bacteria or surfaces in water-containing environments. Coordinated collectively, these bacteria defend against antagonists, break down recalcitrant materials, and produce biofuels. Researchers from Berkeley Lab, Lawrence Livermore National Lab, and UC Berkeley coupled infrared (IR) rays from ALS Beamline 1.4.3 to the first open-channel microfluidic platform to determine the chemistry that shapes biofilm development. This combination of synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectromicroscopy and the microfluidic platform will have a significant impact on several scientific disciplines that require chemical-scale information on biofilm phenotype and function, including Berkeley Lab's bioenergy efforts and subsurface biogeochemical studies.

226

Real-Time Chemical Imaging of Bacterial Biofilm Development  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Chemical Imaging of Bacterial Biofilm Development Print Real-Time Chemical Imaging of Bacterial Biofilm Development Print Scientists have developed a robust and label-free method to probe the chemical underpinnings of developing bacterial biofilms. Almost all bacteria can form biofilms-dynamic communities of cells enclosed in self-produced matrices of polymers that stick to other bacteria or surfaces in water-containing environments. Coordinated collectively, these bacteria defend against antagonists, break down recalcitrant materials, and produce biofuels. Researchers from Berkeley Lab, Lawrence Livermore National Lab, and UC Berkeley coupled infrared (IR) rays from ALS Beamline 1.4.3 to the first open-channel microfluidic platform to determine the chemistry that shapes biofilm development. This combination of synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectromicroscopy and the microfluidic platform will have a significant impact on several scientific disciplines that require chemical-scale information on biofilm phenotype and function, including Berkeley Lab's bioenergy efforts and subsurface biogeochemical studies.

227

Real-Time Chemical Imaging of Bacterial Biofilm Development  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Chemical Imaging of Bacterial Biofilm Development Print Real-Time Chemical Imaging of Bacterial Biofilm Development Print Scientists have developed a robust and label-free method to probe the chemical underpinnings of developing bacterial biofilms. Almost all bacteria can form biofilms-dynamic communities of cells enclosed in self-produced matrices of polymers that stick to other bacteria or surfaces in water-containing environments. Coordinated collectively, these bacteria defend against antagonists, break down recalcitrant materials, and produce biofuels. Researchers from Berkeley Lab, Lawrence Livermore National Lab, and UC Berkeley coupled infrared (IR) rays from ALS Beamline 1.4.3 to the first open-channel microfluidic platform to determine the chemistry that shapes biofilm development. This combination of synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectromicroscopy and the microfluidic platform will have a significant impact on several scientific disciplines that require chemical-scale information on biofilm phenotype and function, including Berkeley Lab's bioenergy efforts and subsurface biogeochemical studies.

228

Real-Time Chemical Imaging of Bacterial Biofilm Development  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Chemical Imaging of Bacterial Biofilm Development Print Real-Time Chemical Imaging of Bacterial Biofilm Development Print Scientists have developed a robust and label-free method to probe the chemical underpinnings of developing bacterial biofilms. Almost all bacteria can form biofilms-dynamic communities of cells enclosed in self-produced matrices of polymers that stick to other bacteria or surfaces in water-containing environments. Coordinated collectively, these bacteria defend against antagonists, break down recalcitrant materials, and produce biofuels. Researchers from Berkeley Lab, Lawrence Livermore National Lab, and UC Berkeley coupled infrared (IR) rays from ALS Beamline 1.4.3 to the first open-channel microfluidic platform to determine the chemistry that shapes biofilm development. This combination of synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectromicroscopy and the microfluidic platform will have a significant impact on several scientific disciplines that require chemical-scale information on biofilm phenotype and function, including Berkeley Lab's bioenergy efforts and subsurface biogeochemical studies.

229

Real-Time Chemical Imaging of Bacterial Biofilm Development  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Chemical Imaging of Bacterial Biofilm Development Print Real-Time Chemical Imaging of Bacterial Biofilm Development Print Scientists have developed a robust and label-free method to probe the chemical underpinnings of developing bacterial biofilms. Almost all bacteria can form biofilms-dynamic communities of cells enclosed in self-produced matrices of polymers that stick to other bacteria or surfaces in water-containing environments. Coordinated collectively, these bacteria defend against antagonists, break down recalcitrant materials, and produce biofuels. Researchers from Berkeley Lab, Lawrence Livermore National Lab, and UC Berkeley coupled infrared (IR) rays from ALS Beamline 1.4.3 to the first open-channel microfluidic platform to determine the chemistry that shapes biofilm development. This combination of synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectromicroscopy and the microfluidic platform will have a significant impact on several scientific disciplines that require chemical-scale information on biofilm phenotype and function, including Berkeley Lab's bioenergy efforts and subsurface biogeochemical studies.

230

Real-Time Chemical Imaging of Bacterial Biofilm Development  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Chemical Imaging of Bacterial Biofilm Development Print Real-Time Chemical Imaging of Bacterial Biofilm Development Print Scientists have developed a robust and label-free method to probe the chemical underpinnings of developing bacterial biofilms. Almost all bacteria can form biofilms-dynamic communities of cells enclosed in self-produced matrices of polymers that stick to other bacteria or surfaces in water-containing environments. Coordinated collectively, these bacteria defend against antagonists, break down recalcitrant materials, and produce biofuels. Researchers from Berkeley Lab, Lawrence Livermore National Lab, and UC Berkeley coupled infrared (IR) rays from ALS Beamline 1.4.3 to the first open-channel microfluidic platform to determine the chemistry that shapes biofilm development. This combination of synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectromicroscopy and the microfluidic platform will have a significant impact on several scientific disciplines that require chemical-scale information on biofilm phenotype and function, including Berkeley Lab's bioenergy efforts and subsurface biogeochemical studies.

231

Real-Time Chemical Imaging of Bacterial Biofilm Development  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Chemical Imaging of Bacterial Biofilm Development Print Real-Time Chemical Imaging of Bacterial Biofilm Development Print Scientists have developed a robust and label-free method to probe the chemical underpinnings of developing bacterial biofilms. Almost all bacteria can form biofilms-dynamic communities of cells enclosed in self-produced matrices of polymers that stick to other bacteria or surfaces in water-containing environments. Coordinated collectively, these bacteria defend against antagonists, break down recalcitrant materials, and produce biofuels. Researchers from Berkeley Lab, Lawrence Livermore National Lab, and UC Berkeley coupled infrared (IR) rays from ALS Beamline 1.4.3 to the first open-channel microfluidic platform to determine the chemistry that shapes biofilm development. This combination of synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectromicroscopy and the microfluidic platform will have a significant impact on several scientific disciplines that require chemical-scale information on biofilm phenotype and function, including Berkeley Lab's bioenergy efforts and subsurface biogeochemical studies.

232

Real-Time Chemical Imaging of Bacterial Biofilm Development  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Chemical Imaging of Bacterial Biofilm Development Print Real-Time Chemical Imaging of Bacterial Biofilm Development Print Scientists have developed a robust and label-free method to probe the chemical underpinnings of developing bacterial biofilms. Almost all bacteria can form biofilms-dynamic communities of cells enclosed in self-produced matrices of polymers that stick to other bacteria or surfaces in water-containing environments. Coordinated collectively, these bacteria defend against antagonists, break down recalcitrant materials, and produce biofuels. Researchers from Berkeley Lab, Lawrence Livermore National Lab, and UC Berkeley coupled infrared (IR) rays from ALS Beamline 1.4.3 to the first open-channel microfluidic platform to determine the chemistry that shapes biofilm development. This combination of synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectromicroscopy and the microfluidic platform will have a significant impact on several scientific disciplines that require chemical-scale information on biofilm phenotype and function, including Berkeley Lab's bioenergy efforts and subsurface biogeochemical studies.

233

New magnetic real time shape control for MAST  

E-Print Network [OSTI]

The MAST (Mega Ampere Spherical Tokamak) real time plasma position controller is based on an optical linear camera placed on the mid plane of the vessel. This solution has the advantage of being a direct observation of the D [alpha]emissions coming from the interaction between the boundary of the plasma and neutral gas, but, on the other hand, it restricts the control to the outer radius of the plasma only. A complete chain of tools has been set up to implement, test and simulate a new real time magnetic plasma shape controller based on the rtEFIT code. The complete working path consists of three elements: a linear static relationship between control parameters and current demands, a linear state space model needed to represent the plasma dynamic response in closed loop simulations, and the possibility to run simulations inside the Plasma Control System (PCS). The linear relationship has been calculated using the FIESTA code, which is developed using Matlab at CCFE. The linear state space model was generated ...

Pangione, L; Storrs, J

2013-01-01T23:59:59.000Z

234

Microsoft Word - Modern Grid Benefits_Final_v1_0.doc  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

In addition, effective consumer interfaces will allow the incorporation of demand response and real-time load management as an active factor in grid operations. And...

235

Principal Characteristics of a Modern Grid  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

FERC - NARUC Smart Grid Collaborative Meeting FERC - NARUC Smart Grid Collaborative Meeting Joe Miller - Modern Grid Strategy Team July 23, 2008 Conducted by the National Energy Technology Laboratory Funded by the U.S. Department of Energy Office of Electricity Delivery and Energy Reliability 2 Office of Electricity Delivery and Energy Reliability MODERN GRID S T R A T E G Y 2 Today's topics Smart Grid Background What is the Smart Grid? Some closing thoughts Questions 3 MODERN GRID S T R A T E G Y Smart Grid Background 4 Office of Electricity Delivery and Energy Reliability MODERN GRID S T R A T E G Y Many are working on the Smart Grid FERC DOE-OE Grid 2030 GridWise Alliance EEI NERC (FM) DOE/NETL Modern Grid Strategy GridWise Program GridWorks NW GridWise Testbed GridApps CERTS DOE-OE CEC PIER NYSERDA

236

Smart Grid | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Smart Grid Smart Grid Smart Grid Overview Smart Grid refers to electrical grids that automatically gather and communicate information on usage, allowing for remote and automated control to improve efficiency and reliability of the grid. The goals of Smart Grid technology are to allow greater consumer control, reduce pollution, improve reliability, and reduce costs. For a more detailed overview of the Smart Grid, visit the Energy.gov sites below: Smart Grid 2010 Smart Grid Report You can also view a series of short videos to learn more: SmartGrid.gov NOVA - Smart Grid Technology Smart Grid technology employs existing communications and manufacturing technology to automate and integrate the electrical grid. Sensors and meters gather data that is communicated and analyzed, allowing advanced

237

Real Time Flame Monitoring of Gasifier Burner and Injectors  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

8 8 Gasification Technologies contacts Gary J. stiegel Gasification Technology Manager National Energy Technology Laboratory 626 Cochrans Mill Road P.O. Box 10940 Pittsburgh, PA 15236 412-386-4499 gary.stiegel@netl.doe.gov Jenny tennant Project Manager National Energy Technology Laboratory 3610 Collins Ferry Road P.O. Box 880 Morgantown, WV 26507 304-285-4830 jenny.tennant@netl.doe.gov David Rue Principal Investigator Gas Technology Institute 1700 South Mount Prospect Road Des Plaines, IL 60018 847-768-0508 david.rue@gastechnology.org Real Time Flame moniToRing oF gasiFieR BuRneR and injecToRs Description Combustion scientists and engineers have studied radiant emissions of various flames for many years. For some time, technologists have understood the rich potential for

238

Cellular Neural Network for Real Time Image Processing  

SciTech Connect (OSTI)

Since their introduction in 1988, Cellular Nonlinear Networks (CNNs) have found a key role as image processing instruments. Thanks to their structure they are able of processing individual pixels in a parallel way providing fast image processing capabilities that has been applied to a wide range of field among which nuclear fusion. In the last years, indeed, visible and infrared video cameras have become more and more important in tokamak fusion experiments for the twofold aim of understanding the physics and monitoring the safety of the operation. Examining the output of these cameras in real-time can provide significant information for plasma control and safety of the machines. The potentiality of CNNs can be exploited to this aim. To demonstrate the feasibility of the approach, CNN image processing has been applied to several tasks both at the Frascati Tokamak Upgrade (FTU) and the Joint European Torus (JET)

Vagliasindi, G.; Arena, P.; Fortuna, L. [Dipartimento di Ingegneria Elettrica Elettronica e dei Sistemi - Universita degli Studi di Catania, I-95125 Catania (Italy); Mazzitelli, G. [ENEA-Gestione Grandi Impianti Sperimentali, via E. Fermi 45, I-00044 Frascati, Rome (Italy); Murari, A. [Consorzio RFX-Associazione EURATOM ENEA per la Fusione, I-35127 Padova (Italy)

2008-03-12T23:59:59.000Z

239

Watching the acetylene vinylidene intramolecular reaction in real time  

E-Print Network [OSTI]

It is a long-standing dream of scientists to capture the ultra-fast dynamics of molecular or chemical reactions in real time and to make a molecular movie. With free-electron lasers delivering extreme ultraviolet (XUV) light at unprecedented intensities, in combination with pump-probe schemes, it is now possible to visualize structural changes on the femtosecond time scale in photo-excited molecules. In hydrocarbons the absorption of a single photon may trigger the migration of a hydrogen atom within the molecule. Here, such a reaction was filmed in acetylene molecules (C2H2) showing a partial migration of one of the protons along the carbon backbone which is consistent with dynamics calculations on ab initio potential energy surfaces. Our approach opens attractive perspectives and potential applications for a large variety of XUV-induced ultra-fast phenomena in molecules relevant to physics, chemistry, and biology.

Jiang, Y H; Rudenko, A; Madjet, M E; Vendrell, O; Kurka, M; Schnorr, K; Foucar, L; Kübel, M; Herrwerth, O; Lezius, M; Kling, M F; van Tilborg, J; Belkacem, A; Ueda, K; Düsterer, S; Treusch, R; Schröter, C D; Santra, R; Ullrich, J; Moshammer, R

2014-01-01T23:59:59.000Z

240

Protective materials with real-time puncture detection capability  

SciTech Connect (OSTI)

The protection of workers from chemical, biological, or radiological hazards requires the use of protective materials that can maintain their integrity during use. An accidental puncture in the protective material can result in a significant exposure to the worker. A five ply material has been developed that incorporates two layers of an electrically conductive polymer sandwiched between three layers of a nonconductive polymer. A normally open circuit that is connected between the conductive layers will be closed by puncturing the material with either a conductive or nonconductive object. This can be used to activate an audible alarm or visual beacon to warn the worker of a breach in the integrity of the material. The worker is not connected to the circuit, and the puncture can be detected in real-time, even when caused by a nonconductor.

Hermes, R.E.; Stampfer, J.F. [Los Alamos National Lab., NM (United States); Valdez-Boyle, L.S. [New Mexico Univ., Albuquerque, NM (United States). School of Medicine; Ramsey, D.R. [Paradigm Systems Corp, 1018 100th Place N.E., Bellevue, WA (United States)

1996-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Real-time aqueous tritium monitor using liquid scintillation counting  

SciTech Connect (OSTI)

An ability to continuously monitor low-level tritium releases in aqueous effluents is of particular interest to heavy water facilities such as those at the Savannah River Site (SRS) and Canadian CANDU reactors. SRS developed a real-time monitoring system based on flow-through liquid scintillation (LS) counting. Sensitivities of 16 pCi/mL and 1 pCi/mL result from five minute and daily averages of counting data respectively. This sensitivity is about 200 times better than similar methods using solid scintillants. The LS system features uncomplicated sample pretreatment, precise of the cocktail and sample water, system features uncomplicated sample pretreatment, precise proportioning of the cocktail and sample water, on-line quench corrections, cocktail consumption as low as 0.15 mL/min, and response to changes in environmental tritium is less than 30 minutes. Field tests demonstrate that conditions necessary for stable analytical results are achieved.

Sigg, R.A.; McCarty, J.E.; Livingston, R.R.; Sanders, M.A.

1994-07-01T23:59:59.000Z

242

Method and apparatus for real time weld monitoring  

DOE Patents [OSTI]

An improved method and apparatus are provided for real time weld monitoring. An infrared signature emitted by a hot weld surface during welding is detected and this signature is compared with an infrared signature emitted by the weld surface during steady state conditions. The result is correlated with weld penetration. The signal processing is simpler than for either UV or acoustic techniques. Changes in the weld process, such as changes in the transmitted laser beam power, quality or positioning of the laser beam, change the resulting weld surface features and temperature of the weld surface, thereby resulting in a change in the direction and amount of infrared emissions. This change in emissions is monitored by an IR sensitive detecting apparatus that is sensitive to the appropriate wavelength region for the hot weld surface.

Leong, Keng H. (Lemont, IL); Hunter, Boyd V. (Bolingbrook, IL)

1997-01-01T23:59:59.000Z

243

Development of Real-Time Coal Monitoring Instrument  

SciTech Connect (OSTI)

Relying on coal for energy requires optimizing the extraction of heat content from various blends of coal fuel and reducing harmful constituents and byproducts. Having a real-time measurement instrument provides relevant information about toxic constituents released in the atmosphere from burning coal and optimizes the performance of a power plant. A few commercial instruments exist and have been in operation for more than a decade. However, most of these instruments are based on radioactive sources and are bulky, expensive and time-consuming. The proposed instrument is based on the Laser Induced Breakdown Spectroscopy (LIBS). The advantage of LIBS is that it is a standoff instrument, does not require sample preparation and provides precise information about sample constituents.

Rajan Gurjar, Ph.D.

2010-06-17T23:59:59.000Z

244

Real-time monitoring of the TVA power system  

SciTech Connect (OSTI)

This article describes how the Tennessee Valley Authority (TVA) is experimenting with one of the many concepts for the uses of phasor measurements, that of utilizing phasor measurement units (PMUs) as a state estimation system. However, the term state estimation no longer applies; what is being performed is a state determination in near real-time. The PMU is a transducer that can measure voltage and current with very high accuracy. It has the ability to calculate watts, vars, frequency, and phase angle twelve times per power line cycle. The PMU can be placed in the power system so as to provide time-stamped voltage and current phasors that can be used as state variables. Input from other PMUs throughout the power system can be synchronized to within 1 microsecond via the Global Positioning System (GPS). These real-time state variables provided by the PMUs allow state estimation to be replaced by state determination. The PMUs monitoring the power system can also provide the necessary data to accurately depict events and disturbances. The PMU can be set to be triggered by an event or disturbance. A user-defined table of data, including pretrigger data, which is the sampled data for a specified interval, is stored in the PMU. The data from a single PMU can be retrieved and analyzed by popular data analysis packages to show the performance of control and protection equipment. The tables retrieved from a network of PMUs can be used to determine the system response to these events and disturbances.

Cease, T.W.; Feldhaus, B. (Univ. of Tennessee, Chattanooga, TN (United States))

1994-07-01T23:59:59.000Z

245

Global scheduling on temperature-constrained multiprocessor real-time systems  

E-Print Network [OSTI]

In this thesis, we study temperature-constrained multiprocessor real-time systems, where real-time guarantees must be met without exceeding safe temperature levels within the processors. We focus on Pfair scheduling algorithms, especially ERfair...

Koo, Ja-Ryeong

2008-10-10T23:59:59.000Z

246

High-Energy, Pulsed-Laser Diagnostics for Real-Time Measurements...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Energy, Pulsed-Laser Diagnostics for Real-Time Measurements of Reciprocating Engine PM Emissions High-Energy, Pulsed-Laser Diagnostics for Real-Time Measurements of Reciprocating...

247

E-Print Network 3.0 - analyzing real-time systems Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

and Information Sciences 69 An Open Environment for RealTime Applications Z. Deng Jane W.S. Liu L. Zhang S. Mouna A. Frei Summary: , and real-time application programming...

248

Is there a source of help for setting up real time wind turbine...  

Open Energy Info (EERE)

there a source of help for setting up real time wind turbine data reporting ? Home I'd like our students to be able to see historical data as well as real time power generation at...

249

Telecommunications Policy 28 (2004) 603618 Real-time secondary markets for spectrum  

E-Print Network [OSTI]

Telecommunications Policy 28 (2004) 603­618 Real-time secondary markets for spectrum Jon M. Peha*,1

Peha, Jon M.

250

Deliberation Scheduling for Planning in Real-Time David J. Musliner  

E-Print Network [OSTI]

Deliberation Scheduling for Planning in Real-Time David J. Musliner Honeywell Laboratories david.musliner@honeywell

Krebsbach, Kurt D.

251

Real-Time Systems, 27, 97113, 2004 # 2004 Kluwer Academic Publishers. Manufactured in The Netherlands.  

E-Print Network [OSTI]

in The Netherlands. Diagnostics and Surveillance Methods in Nuclear Systems for Real-Time Applications I. PAÃ? ZSIT

Pázsit, Imre

252

A Kerberos security architecture for web services based instrumentation grids  

Science Journals Connector (OSTI)

Instrumentation Grids aim at controlling and managing heterogeneous resources & instruments securely, reliably and in near real-time. Within this context, we present a Web Services based Security Architecture that aims at improving security performance maintaining at the same time interoperability with legacy Grid Security Infrastructure (GSI). Our architecture utilizes GSI X.509 Certificates or Proxy Certificates (RFC3820) for the initial authentication of a user. However, it subsequently maps this identity to a Kerberos one and utilizes WS Security Kerberos Token Profile for embedding user credentials within WS exchange mechanisms. It then provides user authorization, thus realizing a complete AAI (Authentication & Authorization Infrastructure). In order to demonstrate and quantify the performance improvement achieved by our approach over a message exchange using X.509 Certificate Token Profile, we present comparative measurements on implementations of the two options. Our results demonstrate that the Kerberos message exchange schema exhibits up to 50% message throughput improvement, under high CPU load on the server.

Athanasios Moralis; Vassiliki Pouli; Symeon Papavassiliou; Vasilis Maglaris

2009-01-01T23:59:59.000Z

253

Distributed Energy Consumption Control via Real-Time Pricing Feedback in Smart Grid  

E-Print Network [OSTI]

on game- theoretic energy consumption scheduling for theK }). We denote the energy consumption of consumers as l kwhere l i k is the energy consumption of consumer i (i ? N )

Ma, Kai; Hu, Guoqiang; Spanos, Costas J

2014-01-01T23:59:59.000Z

254

Distributed Energy Consumption Control via Real-Time Pricing Feedback in Smart Grid  

E-Print Network [OSTI]

L. Garcia, “Autonomous demand-Side management based on game-Czech Republic and demand side management,” in Proc. 20th

Ma, Kai; Hu, Guoqiang; Spanos, Costas J

2014-01-01T23:59:59.000Z

255

Distributed Energy Consumption Control via Real-Time Pricing Feedback in Smart Grid  

E-Print Network [OSTI]

provider publishes the electricity price p(l k ), and thethe announcement of electricity price [5]. Recently, game3. The role of the electricity price is similar to the lever

Ma, Kai; Hu, Guoqiang; Spanos, Costas J

2014-01-01T23:59:59.000Z

256

Predicting Time-Delays under Real-Time Scheduling for Linear Model Predictive Control  

E-Print Network [OSTI]

Predicting Time-Delays under Real-Time Scheduling for Linear Model Predictive Control Zhenwu Shi prediction of time-delays caused by real-time scheduling. Then, a model predictive controller is designed, the interaction between real-time scheduling and control design has received interest in the literature

Zhang, Fumin

257

Real Time Dynamic Wind Calculation for a Pressure Driven Wind System Criss Martin  

E-Print Network [OSTI]

.8 [Simulation and Model- ing]: Types of Simulation--Animation; Keywords: Dynamic wind, snow, real time animationReal Time Dynamic Wind Calculation for a Pressure Driven Wind System Criss Martin Dept. of Computer University of North Texas Abstract We describe real time dynamic wind calculation for a pressure driven wind

Parberry, Ian

258

A Real-time Precrash Vehicle Detection System Zehang Sun1  

E-Print Network [OSTI]

A Real-time Precrash Vehicle Detection System Zehang Sun1 , Ronald Miller2 , George Bebis1-- This paper presents an in-vehicle real-time monocular precrash vehicle detection system. The system acquires have developed a real-time vehicle detection system using a Ford Motor Company proprietary low light

Bebis, George

259

On Utility Accrual Processor Scheduling with Wait-Free Synchronization for Embedded Real-Time Software  

E-Print Network [OSTI]

On Utility Accrual Processor Scheduling with Wait-Free Synchronization for Embedded Real-Time Software ABSTRACT We present the first wait-free utility accrual (UA) real-time scheduling algorithms for embedded real-time systems. UA scheduling algorithms allow application activities to be sub- ject to time/utility

Ravindran, Binoy

260

A (Smart) Real-time PMU-assisted Power Transfer Limitation Monitoring  

E-Print Network [OSTI]

A (Smart) Real-time PMU-assisted Power Transfer Limitation Monitoring and Enhancement System and Opportunities ATC Monitoring and Enhancement SystemsData issues · Real-time network model of 13,000-bus, 18168 braches · Real-time data · Verification of model and data #12;Model Validation & Correction Disturbance

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Scheduling of Real-Time Embedded Systems under Reliability and Power Constraints  

E-Print Network [OSTI]

Alain Girault Hamoudi Kalla RTSE team, ENSEM POPART team, INRIA REDS team University Hassan II is defined as the probability that none of the system components will fail while processing. We present, produces a static multiprocessor schedule that optimizes three criteria: its length (crucial for real

Paris-Sud XI, Université de

262

Real-time POD-CFD Wind-Load Calculator for PV Systems  

SciTech Connect (OSTI)

The primary objective of this project is to create an accurate web-based real-time wind-load calculator. This is of paramount importance for (1) the rapid and accurate assessments of the uplift and downforce loads on a PV mounting system, (2) identifying viable solutions from available mounting systems, and therefore helping reduce the cost of mounting hardware and installation. Wind loading calculations for structures are currently performed according to the American Society of Civil Engineers/ Structural Engineering Institute Standard ASCE/SEI 7; the values in this standard were calculated from simplified models that do not necessarily take into account relevant characteristics such as those from full 3D effects, end effects, turbulence generation and dissipation, as well as minor effects derived from shear forces on installation brackets and other accessories. This standard does not include provisions that address the special requirements of rooftop PV systems, and attempts to apply this standard may lead to significant design errors as wind loads are incorrectly estimated. Therefore, an accurate calculator would be of paramount importance for the preliminary assessments of the uplift and downforce loads on a PV mounting system, identifying viable solutions from available mounting systems, and therefore helping reduce the cost of the mounting system and installation. The challenge is that although a full-fledged three-dimensional computational fluid dynamics (CFD) analysis would properly and accurately capture the complete physical effects of air flow over PV systems, it would be impractical for this tool, which is intended to be a real-time web-based calculator. CFD routinely requires enormous computation times to arrive at solutions that can be deemed accurate and grid-independent even in powerful and massively parallel computer platforms. This work is expected not only to accelerate solar deployment nationwide, but also help reach the SunShot Initiative goals of reducing the total installed cost of solar energy systems by 75%. The largest percentage of the total installed cost of solar energy system is associated with balance of system cost, with up to 40% going to “soft” costs; which include customer acquisition, financing, contracting, permitting, interconnection, inspection, installation, performance, operations, and maintenance. The calculator that is being developed will provide wind loads in real-time for any solar system designs and suggest the proper installation configuration and hardware; and therefore, it is anticipated to reduce system design, installation and permitting costs.

Huayamave, Victor [Centecorp; Divo, Eduardo [Centecorp; Ceballos, Andres [Centecorp; Barriento, Carolina [Centecorp; Stephen, Barkaszi [FSEC; Hubert, Seigneur [FSEC

2014-03-21T23:59:59.000Z

263

Real-time multi-mode neutron multiplicity counter  

DOE Patents [OSTI]

Embodiments are directed to a digital data acquisition method that collects data regarding nuclear fission at high rates and performs real-time preprocessing of large volumes of data into directly useable forms for use in a system that performs non-destructive assaying of nuclear material and assemblies for mass and multiplication of special nuclear material (SNM). Pulses from a multi-detector array are fed in parallel to individual inputs that are tied to individual bits in a digital word. Data is collected by loading a word at the individual bit level in parallel, to reduce the latency associated with current shift-register systems. The word is read at regular intervals, all bits simultaneously, with no manipulation. The word is passed to a number of storage locations for subsequent processing, thereby removing the front-end problem of pulse pileup. The word is used simultaneously in several internal processing schemes that assemble the data in a number of more directly useable forms. The detector includes a multi-mode counter that executes a number of different count algorithms in parallel to determine different attributes of the count data.

Rowland, Mark S; Alvarez, Raymond A

2013-02-26T23:59:59.000Z

264

Real time detection and correction of distribution feeder operational problems  

SciTech Connect (OSTI)

The paper presents a new technique that detects and corrects distribution operational problems using closed loop control of substation transformers, capacitors and reactors by an online computer. This allows the distribution system to be operated close to its capacity without sacrificing the quality of power supply. Such operations help defer the additional cost of installing new substations. The technique integrates the Distribution Feeder Analysis (DFA) and the Distribution Substation Control (DSC) functions to achieve this. The DFA function provides the topology and power flow results for the feeders using the substation real time measurements. It does not require feeder section measurements. The realtime feeder results are used in detecting any currently existing feeder operational problems such as feeder section voltages and currents outside their limits. The detected feeder problems are transformed into substation distribution bus objectives and then corrected by the DSC function using controls available at the substation. The DSC function has been performing successfully for several years at Potomac Electric Power Company (PEPCO) in Washington, D.C. It uses a closed loop control scheme that controls the substation transformer taps and shunt capacitor and reactor breakers and optimizes the substation operation. By combining the DFA and DSC functions into a single function and with proper transformation of feeder problems into substation objectives, a new closed loop control scheme for the substation controls is achieved. This scheme corrects the detected feeder problems and optimizes the substation operation. This technique is implemented and tested using the actual substation and feeder models of PEPCO.

Subramanian, A.K.; Huang, J.C.

1995-12-31T23:59:59.000Z

265

Cybersecurity through Real-Time Distributed Control Systems  

SciTech Connect (OSTI)

Critical infrastructure sites and facilities are becoming increasingly dependent on interconnected physical and cyber-based real-time distributed control systems (RTDCSs). A mounting cybersecurity threat results from the nature of these ubiquitous and sometimes unrestrained communications interconnections. Much work is under way in numerous organizations to characterize the cyber threat, determine means to minimize risk, and develop mitigation strategies to address potential consequences. While it seems natural that a simple application of cyber-protection methods derived from corporate business information technology (IT) domain would lead to an acceptable solution, the reality is that the characteristics of RTDCSs make many of those methods inadequate and unsatisfactory or even harmful. A solution lies in developing a defense-in-depth approach that ranges from protection at communications interconnect levels ultimately to the control system s functional characteristics that are designed to maintain control in the face of malicious intrusion. This paper summarizes the nature of RTDCSs from a cybersecurity perspec tive and discusses issues, vulnerabilities, candidate mitigation approaches, and metrics.

Kisner, Roger A [ORNL; Manges, Wayne W [ORNL; MacIntyre, Lawrence Paul [ORNL; Nutaro, James J [ORNL; Munro Jr, John K [ORNL; Ewing, Paul D [ORNL; Howlader, Mostofa [ORNL; Kuruganti, Phani Teja [ORNL; Wallace, Richard M [ORNL; Olama, Mohammed M [ORNL

2010-04-01T23:59:59.000Z

266

Suppressing qubit dephasing using real-time Hamiltonian estimation  

E-Print Network [OSTI]

Unwanted interaction between a quantum system and its fluctuating environment leads to decoherence and is the primary obstacle to establishing a scalable quantum information processing architecture. Strategies such as environmental and materials engineering, quantum error correction and dynamical decoupling can mitigate decoherence, but generally increase experimental complexity. Here we improve coherence in a qubit using real-time Hamiltonian parameter estimation. Using a rapidly converging Bayesian approach, we precisely measure the splitting in a singlet-triplet spin qubit faster than the surrounding nuclear bath fluctuates. We continuously adjust qubit control parameters based on this information, thereby improving the inhomogenously broadened coherence time ($T_{2}^{*}$) from tens of nanoseconds to above 2 $\\mu$s and demonstrating the effectiveness of Hamiltonian estimation in reducing the effects of correlated noise in quantum systems. Because the technique demonstrated here is compatible with arbitrary qubit operations, it is a natural complement to quantum error correction and can be used to improve the performance of a wide variety of qubits in both metrological and quantum-information-processing applications.

Michael D. Shulman; Shannon P. Harvey; John M. Nichol; Stephen D. Bartlett; Andrew C. Doherty; Vladimir Umansky; Amir Yacoby

2014-05-02T23:59:59.000Z

267

Forming rotated SAR images by real-time motion compensation.  

SciTech Connect (OSTI)

Proper waveform parameter selection allows collecting Synthetic Aperture Radar (SAR) phase history data on a rotated grid in the Fourier Space of the scene being imaged. Subsequent image formation preserves the rotated geometry to allow SAR images to be formed at arbitrary rotation angles without the use of computationally expensive interpolation or resampling operations. This should be useful where control of image orientation is desired such as generating squinted stripmaps and VideoSAR applications, among others.

Doerry, Armin Walter

2012-12-01T23:59:59.000Z

268

Smart Grid | Argonne National Laboratory  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Smart Grid Smart Grid Argonne researchers are working to create new, more powerful technology for long-distance transmission of renewable electricity, to balance rural supply and urban demand, and to integrate wind- and solar-generated electricity into the grid. Argonne is moving the smart grid from concept to reality, ensuring that this technology will interact seamlessly with new plug-in and electric cars. The smart grid is a key element in the national plan to lower energy costs for consumers, achieve energy independence and reduce greenhouse gases. The smart grid - an updated, futuristic electric power grid - will employ real-time, two-way communication technologies that allow consumers to connect directly with power suppliers. Customers will be able to choose

269

PNNL Data-Intensive Computing for a Smarter Energy Grid  

SciTech Connect (OSTI)

The Middleware for Data-Intensive Computing (MeDICi) Integration Framework, an integrated platform to solve data analysis and processing needs, supports PNNL research on the U.S. electric power grid. MeDICi is enabling development of visualizations of grid operations and vulnerabilities, with goal of near real-time analysis to aid operators in preventing and mitigating grid failures.

Carol Imhoff; Zhenyu (Henry) Huang [Henry; Daniel Chavarria

2009-11-01T23:59:59.000Z

270

PNNL Data-Intensive Computing for a Smarter Energy Grid  

ScienceCinema (OSTI)

The Middleware for Data-Intensive Computing (MeDICi) Integration Framework, an integrated platform to solve data analysis and processing needs, supports PNNL research on the U.S. electric power grid. MeDICi is enabling development of visualizations of grid operations and vulnerabilities, with goal of near real-time analysis to aid operators in preventing and mitigating grid failures.

Carol Imhoff; Zhenyu (Henry) Huang; Daniel Chavarria

2012-12-31T23:59:59.000Z

271

A Multicore Processor based Real-Time System for Automobile management application  

E-Print Network [OSTI]

In this paper we propose an Intelligent Management System which is capable of managing the automobile functions using the rigorous real-time principles and a multicore processor in order to realize higher efficiency and safety for the vehicle. It depicts how various automobile functionalities can be fine grained and treated to fit in real time concepts. It also shows how the modern multicore processors can be of good use in organizing vast amounts of correlated functions to be executed in real-time with excellent time commitments. The modeling of the automobile tasks with real time commitments, organizing appropriate scheduling for various real time tasks and the usage of a multicore processor enables the system to realize higher efficiency and offer better safety levels to the vehicle. The industry available real time operating system is used for scheduling various tasks and jobs on the multicore processor.

M., Vaidehi

2010-01-01T23:59:59.000Z

272

REAL TIME FLAME MONITORING OF GASIFIER BURNER AND INJECTORS  

SciTech Connect (OSTI)

This report is submitted to the United States Department of Energy in partial fulfillment of the contractual requirements for Phase I of the project titled, ''Real Time Flame Monitoring of Gasifier Burner and Injectors'', under co-operative agreement number DE-FS26-02NT41585. The project is composed of three one-year budget periods. The work in each year is divided into separate Tasks to facilitate project management, orderly completion of all project objectives, budget control, and critical path application of personnel and equipment. This Topical Report presents results of the Task 1 and 2 work. The 2 D optical sensor was developed to monitor selected UV and visible wavelengths to collect accurate flame characterization information regarding mixing, flame shape, and flame rich/lean characteristic. Flame richness, for example, was determined using OH and CH intensity peaks in the 300 to 500 nanometer range of the UV and visible spectrum. The laboratory burner was operated over a wide range of air to fuel ratio conditions from fuel rich to fuel lean. The sooty oxygen enriched air flames were established to test the sensor ability to characterize flame structures with substantial presence of hot solid particles emitting strong ''black body radiation''. The knowledge gained in these experiments will be very important when the sensor is used for gasifier flame analyses. It is expected that the sensor when installed on the Global Energy gasifier will be exposed to complex radiation patterns. The measured energy will be a combination of spectra emitted by the combusting gases, hot solid particulates, and hot walls of the gasifier chamber. The ability to separate flame emissions from the ''black body emissions'' will allow the sensor to accurately determine flame location relative to the gasifier walls and the injectors, as well as to analyze the flame's structure and condition. Ultimately, this information should enable the gasification processes to be monitored and controlled and as a result increase durability and efficiency of the gasifier. To accomplish goals set for Task 2 GTI will utilize the CANMET Coal Gasification Research facility. The Entrained Coal Gasifier Burner Test Stand has been designed and is currently under construction in the CANMET Energy Technology Center (CETC), the research and technology arm of Natural Resources Canada (NRCan). This Gasifier Burner Stand (GBS) is a scaled-down mock-up of a working gasifier combustion system that can provide the flexible platform needed in the second year of the project to test the flame sensor. The GBS will be capable of simulating combustion and gasification processes occurring in commercial gasifiers, such as Texaco, Shell, and Wabash River.

James Servaites; Serguei Zelepouga; David Rue

2003-10-01T23:59:59.000Z

273

Analysis of real-time reservoir monitoring : reservoirs, strategies, & modeling.  

SciTech Connect (OSTI)

The project objective was to detail better ways to assess and exploit intelligent oil and gas field information through improved modeling, sensor technology, and process control to increase ultimate recovery of domestic hydrocarbons. To meet this objective we investigated the use of permanent downhole sensors systems (Smart Wells) whose data is fed real-time into computational reservoir models that are integrated with optimized production control systems. The project utilized a three-pronged approach (1) a value of information analysis to address the economic advantages, (2) reservoir simulation modeling and control optimization to prove the capability, and (3) evaluation of new generation sensor packaging to survive the borehole environment for long periods of time. The Value of Information (VOI) decision tree method was developed and used to assess the economic advantage of using the proposed technology; the VOI demonstrated the increased subsurface resolution through additional sensor data. Our findings show that the VOI studies are a practical means of ascertaining the value associated with a technology, in this case application of sensors to production. The procedure acknowledges the uncertainty in predictions but nevertheless assigns monetary value to the predictions. The best aspect of the procedure is that it builds consensus within interdisciplinary teams The reservoir simulation and modeling aspect of the project was developed to show the capability of exploiting sensor information both for reservoir characterization and to optimize control of the production system. Our findings indicate history matching is improved as more information is added to the objective function, clearly indicating that sensor information can help in reducing the uncertainty associated with reservoir characterization. Additional findings and approaches used are described in detail within the report. The next generation sensors aspect of the project evaluated sensors and packaging survivability issues. Our findings indicate that packaging represents the most significant technical challenge associated with application of sensors in the downhole environment for long periods (5+ years) of time. These issues are described in detail within the report. The impact of successful reservoir monitoring programs and coincident improved reservoir management is measured by the production of additional oil and gas volumes from existing reservoirs, revitalization of nearly depleted reservoirs, possible re-establishment of already abandoned reservoirs, and improved economics for all cases. Smart Well monitoring provides the means to understand how a reservoir process is developing and to provide active reservoir management. At the same time it also provides data for developing high-fidelity simulation models. This work has been a joint effort with Sandia National Laboratories and UT-Austin's Bureau of Economic Geology, Department of Petroleum and Geosystems Engineering, and the Institute of Computational and Engineering Mathematics.

Mani, Seethambal S.; van Bloemen Waanders, Bart Gustaaf; Cooper, Scott Patrick; Jakaboski, Blake Elaine; Normann, Randy Allen; Jennings, Jim (University of Texas at Austin, Austin, TX); Gilbert, Bob (University of Texas at Austin, Austin, TX); Lake, Larry W. (University of Texas at Austin, Austin, TX); Weiss, Chester Joseph; Lorenz, John Clay; Elbring, Gregory Jay; Wheeler, Mary Fanett (University of Texas at Austin, Austin, TX); Thomas, Sunil G. (University of Texas at Austin, Austin, TX); Rightley, Michael J.; Rodriguez, Adolfo (University of Texas at Austin, Austin, TX); Klie, Hector (University of Texas at Austin, Austin, TX); Banchs, Rafael (University of Texas at Austin, Austin, TX); Nunez, Emilio J. (University of Texas at Austin, Austin, TX); Jablonowski, Chris (University of Texas at Austin, Austin, TX)

2006-11-01T23:59:59.000Z

274

Use of GIS as a Real Time Decision Support System for Irrigation Districts  

E-Print Network [OSTI]

The use of GIS as a Real Time Decision Support System for Irrigation Districts Gabriele Bonaiti & Guy Fipps, P.E. Texas A&M AgriLife Extension Service, Biological & Agricultural Engineering Texas Water Resources Institute TR-435 December 2012... USE OF GIS AS A REAL TIME DECISION SUPPORT SYSTEM FOR IRRIGATION DISTRICTS Rio Grande Basin Initiative Irrigation Technology Program Texas A&M AgriLife Extension Service USE OF GIS AS A REAL TIME DECISION SUPPORT...

Bonaiti, G.; Fipps, G.

275

How to Estimate the Value of Service Reliability Improvements  

E-Print Network [OSTI]

smart grid investment is proposed, reliability improvement is one of the most frequently cited benefits.

Sullivan, Michael J.

2010-01-01T23:59:59.000Z

276

E-Print Network 3.0 - accurate real-time pcr Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Centre Collection: Biology and Medicine 19 The University of New Mexico An NSF Integrative Graduate Summary: and Technology Park Real-Time PCR Assays for Sensitive Detection...

277

Storing Industry's Carbon Dioxide in Real Time | U.S. DOE Office...  

Office of Science (SC) Website

Storing Industry's Carbon Dioxide in Real Time Laboratory Policy (LP) LP Home About Laboratory Appraisal Process Laboratory Planning Process Laboratory Directed Research and...

278

Distributed Architecture for Real-time Traffic Analysis Cristian Morariu, Burkhard Stiller  

E-Print Network [OSTI]

Distributed Architecture for Real-time Traffic Analysis Cristian Morariu, Burkhard Stiller Department of Informatics, University of Zürich CH-8050, Zürich, Switzerland {morariu, stiller

Boyer, Edmond

279

Search Method for Real-time Knowledge Discovery Modeled on the...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Return to Search Search Method for Real-time Knowledge Discovery Modeled on the Human Brain Oak Ridge National Laboratory Contact ORNL About This Technology Publications: PDF...

280

Real-Time Particulate Mass Measurements Pre and Post Diesel Particulat...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

2005deeranderson.pdf More Documents & Publications Advanced Radio Frequency-Based Sensors for Monitoring Diesel Particulate Filter Loading and Regeneration Real-Time...

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

E-Print Network 3.0 - airway real-time magnetic Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

computation. A visualization device provides virtual... Images Interactive in real-time Registered in 2D3D 12;Milgram's Reality-Virtuality Continuum Mixed... Virtual Models ...

282

Graphene Signal Amplification for Sensitive and Real-Time Fluorescence Anisotropy Detection of Small Molecules  

E-Print Network [OSTI]

Graphene Signal Amplification for Sensitive and Real-Time Fluorescence Anisotropy Detection graphene oxide (GO) as the signal amplifier. Because of the extraordinarily larger volume of GO

Tan, Weihong

283

Journal Article: Real-time sub-Ångstrom imaging of reversible...  

Office of Scientific and Technical Information (OSTI)

imaging of reversible and irreversible conformations in rhodium catalysts and graphene Citation Details Title: Real-time sub-ngstrom imaging of reversible and...

284

E-Print Network 3.0 - aperture real-time ultrasound Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

of Ultrasound in Medicine and National Electrical Manufacturers Association). ODS. Standard for real-time... Amendments were enacted. In the early 1990s, the FDA implemented...

285

Adaptive Real-Time Optimal Dispatch of Privately Owned Energy Storage Systems.  

E-Print Network [OSTI]

??In this thesis, a real-time optimal dispatching (RTOD) algorithm is developed by formulating a mixed integer linear programming problem to determine charging and discharging power… (more)

Khani, Hadi

2014-01-01T23:59:59.000Z

286

ELECTRICITY DELIVERY AND ENERGY RELIABILITY Appropriation Overview  

Broader source: Energy.gov (indexed) [DOE]

ELECTRICITY DELIVERY AND ENERGY RELIABILITY Appropriation Overview Electricity Delivery and Energy Reliability (OE) drives electric grid modernization and resiliency in the energy...

287

Smart Grid Primer (Smart Grid Books) | Department of Energy  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Educational Resources » Smart Grid Primer Educational Resources » Smart Grid Primer (Smart Grid Books) Smart Grid Primer (Smart Grid Books) Smart Grid Primer (Smart Grid Books) "The Smart Grid: An Introduction," prepared 2008, is a publication sponsored by DOE's Office of Electricity Delivery and Energy Reliability that explores - in layman's terms - the nature, challenges, opportunities and necessity of Smart Grid implementation. Additional books, released in 2009, target the interests of specific stakeholder groups: Consumer Advocates, Utilities, Technology Providers, Regulators, Policy Makers, and Environmental Groups, to explain in greater detail what the Smart Grid will mean to each. General Public The Smart Grid: An Introduction Consumer Advocates What the Smart Grid Means to Americans

288

Annex A Metrics for the Smart Grid System Report  

Broader source: Energy.gov (indexed) [DOE]

Annex A Annex A Metrics for the Smart Grid System Report A.iii Table of Contents Introduction ........................................................................................................................................... A.1 Metric #1: The Fraction of Customers and Total Load Served by Real-Time Pricing, Critical Peak Pricing, and Time-of-Use Pricing ........................................................................................ A.2 Metric #2: Real-Time System Operations Data Sharing ...................................................................... A.9 Metric #3: Standard Distributed Resource Connection Policies .......................................................... A.18 Metric #4: Regulatory Recovery for Smart Grid Investments ............................................................. A.23

289

Using GENI for experimental evaluation of Software Defined Networking in smart grids  

Science Journals Connector (OSTI)

Abstract The North American Electric Reliability Corporation (NERC) envisions a smart grid that aggressively explores advance communication network solutions to facilitate real-time monitoring and dynamic control of the bulk electric power system. At the distribution level, the smart grid integrates renewable generation and energy storage mechanisms to improve the reliability of the grid. Furthermore, dynamic pricing and demand management provide customers an avenue to interact with the power system to determine the electricity usage that best satisfies their lifestyle. At the transmission level, efficient communication and a highly automated architecture provide visibility in the power system and as a result, faults are mitigated faster than they can propagate. However, such higher levels of reliability and efficiency rest on the supporting communication infrastructure. To date, utility companies are moving towards Multiprotocol Label Switching (MPLS) because it supports traffic engineering and virtual private networks (VPNs). Furthermore, it provides Quality of Service (QoS) guarantees and fail-over mechanisms in addition to meeting the requirement of non-routability as stipulated by NERC. However, these benefits come at a cost for the infrastructure that supports the full MPLS specification. With this realization and given a two week implementation and deployment window in GENI, we explore the modularity and flexibility provided by the low cost OpenFlow Software Defined Networking (SDN) solution. In particular, we use OpenFlow to provide (1) automatic fail-over mechanisms, (2) a load balancing, and (3) Quality of Service guarantees: all essential mechanisms for smart grid networks.

Ali Sydney; David S. Ochs; Caterina Scoglio; Don Gruenbacher; Ruth Miller

2014-01-01T23:59:59.000Z

290

GRIDS: Grid-Scale Rampable Intermittent Dispatchable Storage  

SciTech Connect (OSTI)

GRIDS Project: The 12 projects that comprise ARPA-E’s GRIDS Project, short for “Grid-Scale Rampable Intermittent Dispatchable Storage,” are developing storage technologies that can store renewable energy for use at any location on the grid at an investment cost less than $100 per kilowatt hour. Flexible, large-scale storage would create a stronger and more robust electric grid by enabling renewables to contribute to reliable power generation.

None

2010-09-01T23:59:59.000Z

291

ON-LINE THERMAL BARRIER COATING MONITORING FOR REAL-TIME FAILURE PROTECTION AND LIFE MAXIMIZATION  

SciTech Connect (OSTI)

Under the sponsorship of the U. S. Department of Energy's National Energy Laboratory, Siemens Westinghouse Power Corporation proposes a four year program titled, ''On-Line Thermal Barrier Coating (TBC) Monitor for Real-Time Failure Protection and Life Maximization,'' to develop, build and install the first generation of an on-line TBC monitoring system for use on land-based advanced gas turbines (AGT). Federal deregulation in electric power generation has accelerated power plant owner's demand for improved reliability availability maintainability (RAM) of the land-based advanced gas turbines. As a result, firing temperatures have been increased substantially in the advanced turbine engines, and the TBCs have been developed for maximum protection and life of all critical engine components operating at these higher temperatures. Losing TBC protection can therefore accelerate the degradation of substrate components materials and eventually lead to a premature failure of critical component and costly unscheduled power outages. This program seeks to substantially improve the operating life of high cost gas turbine components using TBC; thereby, lowering the cost of maintenance leading to lower cost of electricity. Siemens Westinghouse Power Corporation has teamed with Indigo Systems, a supplier of state-of-the-art infrared camera systems, and Wayne State University, a leading research organization in the field of infrared non-destructive examination (NDE), to complete the program.

Dennis H. LeMieux

2002-04-01T23:59:59.000Z

292

On-Line Thermal Barrier Coating Monitoring for Real-Time Failure Protection and Life Maximization  

SciTech Connect (OSTI)

Under the sponsorship of the U. S. Department of Energy's National Energy Laboratory, Siemens Power Generation, Inc proposed a four year program titled, ''On-Line Thermal Barrier Coating (TBC) Monitor for Real-Time Failure Protection and Life Maximization'', to develop, build and install the first generation of an on-line TBC monitoring system for use on land-based advanced gas turbines (AGT). Federal deregulation in electric power generation has accelerated power plant owner's demand for improved reliability availability maintainability (RAM) of the land-based advanced gas turbines. As a result, firing temperatures have been increased substantially in the advanced turbine engines, and the TBCs have been developed for maximum protection and life of all critical engine components operating at these higher temperatures. Losing TBC protection can therefore accelerate the degradation of substrate components materials and eventually lead to a premature failure of critical component and costly unscheduled power outages. This program seeks to substantially improve the operating life of high cost gas turbine components using TBC; thereby, lowering the cost of maintenance leading to lower cost of electricity. Siemens Power Generation, Inc. has teamed with Indigo Systems, a supplier of state-of-the-art infrared camera systems, and Wayne State University, a leading research organization in the field of infrared non-destructive examination (NDE), to complete the program.

Dennis H. LeMieux

2005-10-01T23:59:59.000Z

293

ON-LINE THERMAL BARRIER COATING MONITORING FOR REAL-TIME FAILURE PROTECTION AND LIFE MAXIMIZATION  

SciTech Connect (OSTI)

Under the sponsorship of the U. S. Department of Energy's National Energy Laboratory, Siemens Westinghouse Power Corporation proposes a four year program titled, ''On-Line Thermal Barrier Coating (TBC) Monitor for Real-Time Failure Protection and Life Maximization,'' to develop, build and install the first generation of an on-line TBC monitoring system for use on land-based advanced gas turbines (AGT). Federal deregulation in electric power generation has accelerated power plant owner's demand for improved reliability, availability, and maintainability (RAM) of the land-based advanced gas turbines. As a result, firing temperatures have been increased substantially in the advanced turbine engines, and the TBCs have been developed for maximum protection and life of all critical engine components operating at these higher temperatures. Losing TBC protection can, therefore, accelerate the degradation of substrate component materials and eventually lead to a premature failure of critical components and costly unscheduled power outages. This program seeks to substantially improve the operating life of high cost gas turbine components using TBC; thereby, lowering the cost of maintenance leading to lower cost of electricity. Siemens Westinghouse Power Corporation has teamed with Indigo Systems, a supplier of state-of-the-art infrared camera systems, and Wayne State University, a leading research organization in the field of infrared non-destructive examination (NDE), to complete the program.

Dennis H. LeMieux

2003-07-01T23:59:59.000Z

294

On-Line Thermal Barrier Coating Monitoring for Real-Time Failure Protection and Life Maximization  

SciTech Connect (OSTI)

Under the sponsorship of the U. S. Department of Energy's National Energy Laboratory, Siemens Westinghouse Power Corporation proposes a four year program titled, ''On-Line Thermal Barrier Coating (TBC) Monitor for Real-Time Failure Protection and Life Maximization'', to develop, build and install the first generation of an on-line TBC monitoring system for use on land-based advanced gas turbines (AGT). Federal deregulation in electric power generation has accelerated power plant owner's demand for improved reliability availability maintainability (RAM) of the land-based advanced gas turbines. As a result, firing temperatures have been increased substantially in the advanced turbine engines, and the TBCs have been developed for maximum protection and life of all critical engine components operating at these higher temperatures. Losing TBC protection can therefore accelerate the degradation of substrate components materials and eventually lead to a premature failure of critical component and costly unscheduled power outages. This program seeks to substantially improve the operating life of high cost gas turbine components using TBC; thereby, lowering the cost of maintenance leading to lower cost of electricity. Siemens Westinghouse Power Corporation has teamed with Indigo Systems, a supplier of state-of-the-art infrared camera systems, and Wayne State University, a leading research organization in the field of infrared non-destructive examination (NDE), to complete the program.

Dennis H. LeMieux

2005-04-01T23:59:59.000Z

295

On-Line Thermal Barrier Coating Monitoring for Real-Time Failure Protection and Life Maximization  

SciTech Connect (OSTI)

Under the sponsorship of the U. S. Department of Energy's National Energy Laboratory, Siemens Westinghouse Power Corporation proposes a four year program titled, ''On-Line Thermal Barrier Coating (TBC) Monitor for Real-Time Failure Protection and Life Maximization'', to develop, build and install the first generation of an on-line TBC monitoring system for use on land -based advanced gas turbines (AGT). Federal deregulation in electric power generation has accelerated power plant owner's demand for improved reliability availability maintainability (RAM) of the land-based advanced gas turbines. As a result, firing temperatures have been increased substantially in the advanced turbine engines, and the TBCs have been developed for maximum protection and life of all critical engine components operating at these higher temperatures. Losing TBC protection can therefore accelerate the degradation of substrate components materials and eventually lead to a premature failure of critical component and costly unscheduled power outages. This program seeks to substantially improve the operating life of high cost gas turbine components using TBC; thereby, lowering the cost of maintenance leading to lower cost of electricity. Siemens Westinghouse Power Corporation has teamed with Indigo Systems; a supplier of state-of-the-art infrared camera systems, and Wayne State University, a leading research organization.

Dennis H. LeMieux

2004-10-01T23:59:59.000Z

296

ON-LINE THERMAL BARRIER COATING MONITORING FOR REAL-TIME FAILURE PROTECTION AND LIFE MAXIMIZATION  

SciTech Connect (OSTI)

Under the sponsorship of the U. S. Department of Energy's National Energy Laboratory, Siemens Westinghouse Power Corporation proposes a four year program titled, ''On-Line Thermal Barrier Coating (TBC) Monitor for Real-Time Failure Protection and Life Maximization,'' to develop, build and install the first generation of an on-line TBC monitoring system for use on land-based advanced gas turbines (AGT). Federal deregulation in electric power generation has accelerated power plant owner's demand for improved reliability, availability, and maintainability (RAM) of the land-based advanced gas turbines. As a result, firing temperatures have been increased substantially in the advanced turbine engines, and the TBCs have been developed for maximum protection and life of all critical engine components operating at these higher temperatures. Losing TBC protection can, therefore, accelerate the degradation of substrate component materials and eventually lead to a premature failure of critical components and costly unscheduled power outages. This program seeks to substantially improve the operating life of high cost gas turbine components using TBC; thereby, lowering the cost of maintenance leading to lower cost of electricity. Siemens Westinghouse Power Corporation has teamed with Indigo Systems, a supplier of state-of-the-art infrared camera systems, and Wayne State University, a leading research organization in the field of infrared non-destructive examination (NDE), to complete the program.

Dennis H. LeMieux

2003-10-01T23:59:59.000Z

297

Real-Time Imaging of Pt3Fe Nanorod Growth in Solution  

Science Journals Connector (OSTI)

...real time. A growth solution of Pt(acetylacetonate) 2 (20 mg/mL) and Fe(acetylacetonate) 2 (20 mg/mL) dissolved in a solvent...real time. A growth solution of Pt(acetylacetonate)2 (20 mg/mL) and Fe(acetylacetonate...

Hong-Gang Liao; Likun Cui; Stephen Whitelam; Haimei Zheng

2012-05-25T23:59:59.000Z

298

A real-time implementation of G.726 with tree coding  

E-Print Network [OSTI]

A real-time implementation of an ITU-T C.726 adaptive differential pulse code modulation (ADPCM) codec is developed for desktop, packet switched audio-conferencing over the Internet. The real-time codec is implemented in C on a UNIX (Solaris...

Kokes, Mark Gavin

2012-06-07T23:59:59.000Z

299

SOFT REAL-TIME SCHEDULING OF NETWORKED CONTROL SYSTEMS WITH DROPOUTS GOVERNED BY A MARKOV CHAIN  

E-Print Network [OSTI]

SOFT REAL-TIME SCHEDULING OF NETWORKED CONTROL SYSTEMS WITH DROPOUTS GOVERNED BY A MARKOV CHAIN QIANG LING, MICHAEL D. LEMMON Abstract. This paper derives an equation for a networked control system as a specification on the quality of service (QoS) delivered by real-time schedulers in the communication network

Lemmon, Michael

300

Optimal Real-Time Scheduling of Control Tasks with State Feedback Resource Allocation  

E-Print Network [OSTI]

1 Optimal Real-Time Scheduling of Control Tasks with State Feedback Resource Allocation Mohamed El for the optimal integrated control and real-time scheduling of control tasks. First, the problem of the optimal integrated control and non- preemptive off-line scheduling of control tasks in the sense of the H2

Paris-Sud XI, Université de

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Mercury: A Memory-Constrained Spatio-temporal Real-time Search on Microblogs  

E-Print Network [OSTI]

Mercury: A Memory-Constrained Spatio-temporal Real-time Search on Microblogs Amr Magdy1§ , Mohamed Mercury; a system for real-time support of top-k spatio-temporal queries on microblogs, where users are able to browse recent microblogs near their locations. With high arrival rates of microblogs, Mercury

Bernstein, Phil

302

Real-Time Deferrable Load Control: Handling the Uncertainties of Renewable Generation  

E-Print Network [OSTI]

Real-Time Deferrable Load Control: Handling the Uncertainties of Renewable Generation Lingwen Gan for handling the un- certainties of renewable generation. Traditionally, demand response has been focused in renewable generation. In this paper, we propose a real-time distributed deferrable load control algorithm

Low, Steven H.

303

A Real-Time Decision Support System for High Cost Oil-Well Drilling Operations  

E-Print Network [OSTI]

A Real-Time Decision Support System for High Cost Oil-Well Drilling Operations Odd Erik Gundersen In this paper we present DrillEdge - a commercial and award winning software system that monitors oil that provides real-time deci- sion support when drilling oil wells. Decisions are supported through analyzing

Aamodt, Agnar

304

Intelligent stale-frame discards for real-time video streaming over wireless ad hoc networks  

Science Journals Connector (OSTI)

This paper presents intelligent early packet discards (I-EPD) for real-time video streaming over amultihop wireless ad hoc network. In a multihop wireless ad hoc network, the quality of transferring real-time video streams could be seriously degraded, ...

Tsang-Ling Sheu; Yung-Shih Chi

2009-01-01T23:59:59.000Z

305

Real time search on the web: Queries, topics, and economic value Bernard J. Jansen a,  

E-Print Network [OSTI]

examine aggregate usage of the search engine, including number of users, queries, and terms. We term interest in a topic and the polling nature of real time queries. Concerning search topics geographical affinity, pointing to a location-based aspect to real time search. In terms of economic value, we

Jansen, James

306

A REAL TIME 3D VISUALIZATION PROTOTYPE FOR INTERVENTIONAL MAGNETIC RESONANCE IMAGING  

E-Print Network [OSTI]

A REAL TIME 3D VISUALIZATION PROTOTYPE FOR INTERVENTIONAL MAGNETIC RESONANCE IMAGING JENS FISCHER.weiss@pfh.research.philips.com HEIDRUN SCHUMANN University of Rostock, Computer Science Department, D­18051 Rostock,Germany schumann radiologists during invasive and non­invasive magnetic resonance imaging. We use pre­acquired and real time

Schumann, Heidrun

307

Real-Time Robot Motion Planning Using Rasterizing Computer Graphics Hardware  

E-Print Network [OSTI]

Real-Time Robot Motion Planning Using Rasterizing Computer Graphics Hardware Jed Lengyel Mark Reichert Bruce R. Donaldy Donald P. Greenbergz Abstract We presenta real-time robot motion plannerthatis, and all paths returned are safe. The planner can handle any polyhedral geometry of robot and obstacles

Richardson, David

308

Power saving and fault-tolerance in real-time critical embedded systems  

Science Journals Connector (OSTI)

In this paper, a method with the double purpose of reducing the consumption of energy and giving a deterministic guarantee on the fault tolerance of real-time embedded systems operating under the Rate Monotonic discipline is presented. A lower bound ... Keywords: Embedded systems, Energy-aware, Fault-tolerance, Real-time

Rodrigo M. Santos; Jorge Santos; Javier D. Orozco

2009-02-01T23:59:59.000Z

309

Performance Analysis of the Sporadic Server Implementation in Real-Time Specification for Java  

Science Journals Connector (OSTI)

In this paper, we introduce the implementation ofthe Sporadic Server algorithm at the user level in Real TimeJava. That is, we do not modify the specification of the JavaVirtual Machine (JVM) so our proposal runs without problemson every JVM with support ... Keywords: real time java, aperiodic handling

Carlos M. Tripode; Rodrigo Santos; Javier Orozco

2011-11-01T23:59:59.000Z

310

Real-Time Game Design of Pac-Man Using Fuzzy Logic  

E-Print Network [OSTI]

, fuzzy logic has been chosen as the basis for the intelligent control of the ghosts' behavior1 Real-Time Game Design of Pac-Man Using Fuzzy Logic Adnan Shaout, Brady King, and Luke Reisner approaches. Keywords: Fuzzy Logic, Artificial Intelligence, Intelligent Agents, Real-Time, Interactive, Game

Parker, Gary B.

311

DECENTRALIZED REAL-TIME MANAGEMENT LARGELY UNPREDICTABLE POWER NEEDS AND SUPPLY  

E-Print Network [OSTI]

to decentralized and adaptive electric power manage- ment through a distributed real-time multi-agent architecture briefly outline a two-stage distributed negotiation algo- rithm, for day-ahead planning and handling Keywords: distributed real-time systems, embedded systems, safety-critical systems, dis- tributed energy

Wedde, Horst F.

312

Real-time collaborative editing behavior in USA and Japanese distributed teams  

Science Journals Connector (OSTI)

While there are tools that allow distributed teams to collaboratively edit in real time, little work examines this practice among real teams doing real work. Even less is known about how teams from different countries make use of real-time collaborative ... Keywords: collaborative editing, computer-mediated communication, csouth carolinaw, cultural differences, distributed teams

Lauren Scissors; N. Sadat Shami; Tatsuya Ishihara; Steven Rohall; Shin Saito

2011-05-01T23:59:59.000Z

313

Impact of Storage on the Efficiency and Prices in Real-Time Electricity Markets  

E-Print Network [OSTI]

Impact of Storage on the Efficiency and Prices in Real-Time Electricity Markets Nicolas Gast Jean in dynamic real-time electricity markets. We consider that demand and renewable generation are stochastic of a competitive equilibrium when players are price-takers (they do not affect market prices). We further establish

Paris-Sud XI, Université de

314

Mixed-Criticality Multiprocessor Real-Time Systems: Energy Consumption vs Deadline Misses  

E-Print Network [OSTI]

Mixed-Criticality Multiprocessor Real-Time Systems: Energy Consumption vs Deadline Misses Vincent that using the best compromise, the energy consumption can be reduced up to 17% while the percentage the energy consumption of MC systems. The energy consumption of embedded real-time systems is indeed

Paris-Sud XI, Université de

315

6189-47, Session 10 Optical spatial filtering velocimetry sensor for real-time  

E-Print Network [OSTI]

transforming system instead, the sensor will allow measurement of rotational vibration without direct6189-47, Session 10 Optical spatial filtering velocimetry sensor for real-time in-plane vibration-contact, low-cost optical sensor for real time detection and active vibration control of mechanical devices

316

Scheduling with Quality of Service requirements in Real-Time Energy Harvesting sensors  

E-Print Network [OSTI]

Scheduling with Quality of Service requirements in Real-Time Energy Harvesting sensors Maissa; deadlines; energy reservoir; Quality of Service. I. INTRODUCTION Nowadays, embedded systems are in consumer energy. IV. QUALITY OF SERVICE IN FIRM REAL-TIME SYSTEMS A. Skip-Over: a suitab

Paris-Sud XI, Université de

317

Imaging the Brain in Real-Time with PET-Enabled "Helmet Cam"  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Imaging the Brain in Real-Time with a PET-Enabled "Helmet-Cam" Imaging the Brain in Real-Time with a PET-Enabled "Helmet-Cam" A. Nadeem Ishaque, Ph.D. 2014.09.30 Isaac Asimov...

318

A Real-Time Java Virtual Machine with Applications in Avionics  

E-Print Network [OSTI]

A Real-Time Java Virtual Machine with Applications in Avionics Austin Armbruster The Boeing Company Purdue University and Edward Pla, The Boeing Company and Marek Prochazka SciSys and Jan Vitek Purdue with the Boeing PRiSMj software and the Ovm Real-time JVM. for avionics, shipboard computing and simulation [Child

Vitek, Jan

319

Real-Time Disease Surveillance Using Twitter Data: Demonstration on Flu and Cancer  

E-Print Network [OSTI]

, and text mining. The real-time analysis data is visually re- ported as U.S. disease activity map, timelinesReal-Time Disease Surveillance Using Twitter Data: Demonstration on Flu and Cancer Kathy Lee Ankit-effects, and so on. This makes publicly available social media data an invaluable resource for mining interesting

320

OSCAR API for Real-time Low-Power Multicores and Its Performance on Multicores  

E-Print Network [OSTI]

OSCAR API for Real-time Low-Power Multicores and Its Performance on Multicores and SMP Servers://www.kasahara.cs.waseda.ac.jp/ Abstract. OSCAR (Optimally Scheduled Advanced Multiprocessor) API has been designed for real-time embedded by using the OSCAR parallelizing compiler. The OSCAR API has been developed by Waseda University

Kasahara, Hironori

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321

Toward an Optimal Fixed-Priority Algorithm for Energy-Harvesting Real-Time Systems  

E-Print Network [OSTI]

on their energy consumption. Thus, the results of this work rely on the assumption that tasks energy consumptionToward an Optimal Fixed-Priority Algorithm for Energy-Harvesting Real-Time Systems Yasmina the real-time xed-priority scheduling problem for battery-powered embedded systems whose energy storage

Paris-Sud XI, Université de

322

Real-Time Control of Full Actuated Biped Robot Based on Nonlinear Model Predictive Control  

Science Journals Connector (OSTI)

A trajectory free walking control scheme was proposed for actuated biped robot with the NMPC method in order to carry out real-time gait programming. The basic feature in the proposed strategy is to use iterative on-line optimization approach to compute ... Keywords: NMPC, biped robot, real-time gait programming

Zhibin Zhu; Yan Wang; Xinglin Chen

2008-10-01T23:59:59.000Z

323

A Utility Accrual Scheduling Algorithm for Real-Time Activities With Mutual Exclusion Resource Constraints  

E-Print Network [OSTI]

A Utility Accrual Scheduling Algorithm for Real-Time Activities With Mutual Exclusion Resource-processor real-time scheduling algorithm called the Generic Utility Scheduling algorithm (which we will refer activities that have time con- straints specified using arbitrarily shaped time/utility functions, and have

Ravindran, Binoy

324

Utility Accrual Real-Time Resource Access Protocols with Assured Individual Activity Timeliness Behavior  

E-Print Network [OSTI]

Utility Accrual Real-Time Resource Access Protocols with Assured Individual Activity Timeliness Behavior Abstract We present a class of utility accrual resource access protocols for real-time embedded systems. The proto- cols consider application activities that are subject to time/utility function time

Ravindran, Binoy

325

Real-time autonomous control of space habitats David Kortenkamp, Debra Schreckenghost and R. Peter Bonasso  

E-Print Network [OSTI]

Real-time autonomous control of space habitats David Kortenkamp, Debra Schreckenghost and R. Peter and challenging NASA project that will require real-time autonomous control. This paper presents the project-time autonomous control within a practical application. As such, this paper provides few answers and many

Kortenkamp, David

326

Microfluidic single cell real-time PCR for comparative analysis of gene expression patterns  

E-Print Network [OSTI]

Microfluidic single cell real-time PCR for comparative analysis of gene expression patterns collection. We present here a high-content microfluidic real-time platform as a powerful tool expression; dynamic assay; microfluidic; pluripotent INTRODUCTION Novel genomic technologies have paved

Quake, Stephen R.

327

Comparative analysis of two different middleware approaches for reconfiguration of distributed real-time systems  

Science Journals Connector (OSTI)

Software-based reconfiguration of distributed real-time systems is a complex problem with many sides to it ranging from system-wide concerns down to the intrinsic non-robust nature of the specific middleware layer and the used programming techniques. ... Keywords: Distributed systems, Middleware, Real-time, Reconfiguration

Marisol García Valls; Pablo Basanta Val

2014-02-01T23:59:59.000Z

328

REAL-TIME ACTIVE PIPELINE INTEGRITY DETECTION (RAPID) SYSTEM FOR CORROSION DETECTION AND QUANTIFICATION  

E-Print Network [OSTI]

REAL-TIME ACTIVE PIPELINE INTEGRITY DETECTION (RAPID) SYSTEM FOR CORROSION DETECTION detection Acellent has developed a Real-time Active Pipeline Integrity Detection (RAPID) system. The RAPID system utilizes a sensor network permanently bonded to the pipeline structure along with in

Paris-Sud XI, Université de

329

Approximate Response Time for Fixed Priority Real-Time Systems with Energy-Harvesting  

E-Print Network [OSTI]

Approximate Response Time for Fixed Priority Real-Time Systems with Energy-Harvesting Yasmina sufficient schedulability tests for fixed-priority pre-emptive scheduling of a real-time system under energy constraints. In this problem, energy is harvested from the ambient environment and used to replenish a storage

Boyer, Edmond

330

A Real-Time Distributed Hash Table Tao Qian, Frank Mueller  

E-Print Network [OSTI]

obtain PMU data from other PDCs. The second problem is how to communicate between these PDCs, so services to upper layer applications. In our DHT, the data of one PMU are not only stored in the PDC this monitoring data as a real-time service to an upper layer decentralized control system. Our real-time DHT

Mueller, Frank

331

iDSRT: Integrated Dynamic Soft Real-time Architecture for Critical Infrastructure Data  

E-Print Network [OSTI]

processor and sent over a wired/wireless LAN. End-to-end delay of PMU data has to be guaran- teed for realiDSRT: Integrated Dynamic Soft Real-time Architecture for Critical Infrastructure Data Delivery}@illinois.edu University of Illinois at Urbana-Champaign, Urbana IL 61801, USA Abstract. The real-time control data

Nahrstedt, Klara

332

A Memory Aware Behavioral Synthesis Tool for Real-Time VLSI Circuits  

E-Print Network [OSTI]

A Memory Aware Behavioral Synthesis Tool for Real-Time VLSI Circuits Gwenol´e Corre, Eric Senn the mem- ory architecture and the memory mapping in the Behav- ioral Synthesis of Real-Time VLSI circuits. We formalize the memory mapping as a set of constraints for the syn- thesis, and defined a Memory

Paris-Sud XI, Université de

333

Demonstration abstract: airfeed: indoor real time interactive air quality monitoring system  

Science Journals Connector (OSTI)

Solutions to outdoor air pollution require societal changes; however, we focus on indoor home air quality to allow for individual control over the breathing environment. We present AirFeed: a real time air quality monitoring system that provides measurements ... Keywords: air quality, human activity, monitoring, real time

Kyeong T. Min, Andrzej Forys, Thomas Schmid

2014-04-01T23:59:59.000Z

334

CERTS Review REAL-TIME PRICE FORECAST WITH BIG DATA A STATE SPACE APPROACH  

Broader source: Energy.gov (indexed) [DOE]

Review Review REAL-TIME PRICE FORECAST WITH BIG DATA A STATE SPACE APPROACH Lang Tong (PI), Robert J. Thomas, Yuting Ji, and Jinsub Kim School of Electrical and Computer Engineering, Cornell University Jie Mei, Georgia Institute of Technology August 7, 2013 CERTS Review DATA QUALITY AND ITS EFFECTS ON MARKET OPERATIONS DENY OF SERVICE ATTACK ON REAL-TIME ELECTRICITY MARKET COVER UP PROTECTION AGAINST TOPOLOGY ATTACK Lang Tong (PI), Robert J. Thomas, and Jinsub Kim Cornell University August 8, 2013 Project overview  Objectives  Accurate short-term probabilistic forecasting of real-time LMP.  Incorporate real-time measurements (e.g. SCADA/PMU).  Scalable computation techniques.  Summary of results  A real-time LMP model with forecasting and measurement

335

Wireless technology collects real-time information from oil and gas wells  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Wireless technology collects real-time information from oil and gas Wireless technology collects real-time information from oil and gas wells Wireless technology collects real-time information from oil and gas wells The patented system delivers continuous electromagnetic data on the reservoir conditions, enabling economical and effective monitoring and analysis. April 3, 2012 One of several active projects, LANL and Chevron co-developed INFICOMM(tm), a wireless technology used to collect real-time temperature and pressure information from sensors in oil and gas wells, including very deep wells already producing oil and gas and drilling operations for new wells. One of several active projects, LANL and Chevron co-developed INFICOMM(tm), a wireless technology used to collect real-time temperature and pressure information from sensors in oil and gas wells, including very deep wells

336

A Comprehensive Statistically-Based Method to Interpret Real-Time Flowing Measurements  

SciTech Connect (OSTI)

This project is motivated by the increasing use of distributed temperature sensors for real-time monitoring of complex wells (horizontal, multilateral and multi-branching wells) to infer the profiles of oil, gas, and water entry. Measured information can be used to interpret flow profiles along the wellbore including junction and build section. In this second project year, we have completed a forward model to predict temperature and pressure profiles in complex wells. As a comprehensive temperature model, we have developed an analytical reservoir flow model which takes into account Joule-Thomson effects in the near well vicinity and multiphase non-isothermal producing wellbore model, and couples those models accounting mass and heat transfer between them. For further inferences such as water coning or gas evaporation, we will need a numerical non-isothermal reservoir simulator, and unlike existing (thermal recovery, geothermal) simulators, it should capture subtle temperature change occurring in a normal production. We will show the results from the analytical coupled model (analytical reservoir solution coupled with numerical multi-segment well model) to infer the anomalous temperature or pressure profiles under various conditions, and the preliminary results from the numerical coupled reservoir model which solves full matrix including wellbore grids. We applied Ramey's model to the build section and used an enthalpy balance to infer the temperature profile at the junction. The multilateral wellbore temperature model was applied to a wide range of cases varying fluid thermal properties, absolute values of temperature and pressure, geothermal gradients, flow rates from each lateral, and the trajectories of each build section.

Pinan Dawkrajai; Keita Yoshioka; Analis A. Romero; Ding Zhu; A.D. Hill; Larry W. Lake

2005-10-01T23:59:59.000Z

337

Real Time Flame Monitoring of Gasifier and Injectors  

SciTech Connect (OSTI)

This project is a multistage effort with the final goal to develop a practical and reliable nonintrusive gasifier injector monitor to assess burner wear and need for replacement. The project team included the National Energy Technology Laboratory (NETL), Gas Technology Institute (GTI), North Carolina State University, and ConocoPhillips. This report presents the results of the sensor development and testing initially at GTI combustion laboratory with natural gas flames, then at the Canada Energy Technology Center (CANMET), Canada in the atmospheric coal combustor as well as in the pilot scale pressurized entrained flow gasifier, and finally the sensor capabilities were demonstrated at the Pratt and Whitney Rocketdyne (PWR) Gasifier and the Wabash River Repowering plant located in West Terre Haute, IN. The initial tests demonstrated that GTI gasifier sensor technology was capable of detecting shape and rich/lean properties of natural gas air/oxygen enriched air flames. The following testing at the Vertical Combustor Research Facility (VCRF) was a logical transition step from the atmospheric natural gas flames to pressurized coal gasification environment. The results of testing with atmospheric coal flames showed that light emitted by excited OH* and CH* radicals in coal/air flames can be detected and quantified. The maximum emission intensities of OH*, CH*, and black body (char combustion) occur at different axial positions along the flame length. Therefore, the excitation rates of CH* and OH* are distinct at different stages of coal combustion and can be utilized to identify and characterize processes which occur during coal combustion such as devolatilization, char heating and burning. To accomplish the goals set for Tasks 4 and 5, GTI utilized the CANMET Pressurized Entrained Flow Gasifier (PEFG). The testing parameters of the PEFG were selected to simulate optimum gasifier operation as well as gasifier conditions normally resulting from improper operation or failed gasifier injectors. The sensor developed under previous tasks was used to assess the spectroscopic characteristics of the gasifier flame. The obtained spectral data were successfully translated into flame temperature measurements. It was also demonstrated that the reduced spectral data could be very well correlated with very important gasification process parameters such as the air/fuel and water/fuel ratio. Any of these parameters (temperature, air/fuel, and water/fuel) is sufficient to assess burner wear; however, the tested sensor was capable of monitoring all three of them plus the flame shape as functions of burner wear. This will likely be a very powerful tool which should enable significant improvements in gasifier efficiency, reliability, and availability. The sensor technology was presented to the projectâ??s industrial partner (ConocoPhillips). The partner expressed its strong interest in continuing to participate in the field validation phase of GTI's Flame Monitor Project. Finally the sensor was tested in the PWR (Pratt & Whitney Rocketdyne) gasification plant located at GTIâ??s research campus and at the ConocoPhillips industrial scale gasifier at Wabash River Indiana. The field trials of the GTI Gasifier sensor modified to withstand high temperature and pressure corrosive atmosphere of the industrial entrain flow gasifier. The project team successfully demonstrated the Gasifier Sensor system ability to monitor gasifier interior temperature maintaining unobstructed optical access for in excess of six week without any maintenance. The sensor examination upon completion of the trial revealed that the system did not sustain any damage and required minor cleanup of the optics.

Zelepouga, Serguei; Saveliev, Alexei

2011-12-31T23:59:59.000Z

338

A dynamic vehicle routing problem based on real-time traffic information  

Science Journals Connector (OSTI)

We treat the dynamic vehicle routing problem with time windows (DVRPTW) in the context of real-time traffic information. We integrate traffic information obtained in real time to change the speed profile according to the accidents on the road network (congestion, etc.). The travel times are based on a time-dependent model in which the travel speeds are step functions. This model is enriched with an exponential smoothing function able to calculate the forecasted speed. The analysis of the results of these experiments shows that our method with real-time traffic information provides a good performance, a better robustness against a simple model with time dependent travel time.

Xin Zhao; Gilles Goncalves; Remy Dupas

2010-01-01T23:59:59.000Z

339

Producing reliable software: an experiment  

Science Journals Connector (OSTI)

A customer of high assurance software recently sponsored a software engineering experiment in which a small real-time software system was developed concurrently by two popular software development methodologies. One company specialized in the state-of-the-practice ... Keywords: capability maturity model, cleanroom certification, formal methods, software development methodologies, software engineering experiment, software process and product metrics, software reliability

Carol Smidts; Xin Huang; James C. Widmaier

2002-04-01T23:59:59.000Z

340

Steps to Establish a Real-Time Transmission Monitoring System for  

Broader source: Energy.gov (indexed) [DOE]

Steps to Establish a Real-Time Transmission Monitoring System for Steps to Establish a Real-Time Transmission Monitoring System for Transmission Owners and Operators within the Eastern and Western Interconnections Steps to Establish a Real-Time Transmission Monitoring System for Transmission Owners and Operators within the Eastern and Western Interconnections Steps to establish a real-time transmission monitoring system for transmission owners and operators within the Eastern and Western interconnections: a report to congress pursuant to section 1839 of the Energy Policy Act of 2005. Section 1839 of the Energy Policy Act of 2005 (EPAct 2005) directs the Secretary of Energy (DOE) and the Federal Energy Regulatory Commission (Commission) to study and report to Congress on the steps that must be taken to establish a system to make available to all transmission owners

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Deployment of Demand Response as a Real-Time Resource in Organized Markets  

Open Energy Info (EERE)

Deployment of Demand Response as a Real-Time Resource in Organized Markets Deployment of Demand Response as a Real-Time Resource in Organized Markets Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Deployment of Demand Response as a Real-Time Resource in Organized Markets Focus Area: Crosscutting Topics: Potentials & Scenarios Website: www.sciencedirect.com/science/article/pii/S1040619008000973 Equivalent URI: cleanenergysolutions.org/content/deployment-demand-response-real-time- Language: English Policies: "Deployment Programs,Regulations" is not in the list of possible values (Deployment Programs, Financial Incentives, Regulations) for this property. DeploymentPrograms: Technical Assistance Regulations: Resource Integration Planning This article examines the use of demand response as a dispatchable resource

342

A dynamic slack management technique for real-time distributed embedded systems  

E-Print Network [OSTI]

This work presents a novel slack management technique, the Service Rate Based Slack Distribution Technique, for dynamic real-time distributed embedded systems targeting the reduction and management of energy consumption. Energy minimization...

Acharya, Subrata

2006-04-12T23:59:59.000Z

343

A three-pass establishment protocol for real-time multiparty communication  

E-Print Network [OSTI]

in the literature. They are severely limited when it comes to reserve resource for multiparty communication environments, in particular for multicast connections. We propose a new protocol for connection establishment in a real-time one-to-many communication...

Yoon, Jaehee

2012-06-07T23:59:59.000Z

344

Wealth Transfers Among Large Customers from Implementing Real-Time Retail Electricity Pricing  

E-Print Network [OSTI]

Severin. “Time-Varying Retail Electricity Prices: Theory andCustomer Risk from Real-Time Retail Electricity Pricing:Markets With Time-Invariant Retail Prices,” RAND Journal of

Borenstein, Severin

2007-01-01T23:59:59.000Z

345

Successful Real Time Pricing (RTP) Tieline Control Must Do More Than Save Money  

E-Print Network [OSTI]

Successful Real Time Pricing (RTP) Tieline Control Must Do More than Save Money James Robinson PE, P.Eng, CEM, CEP DES Canada, Corporation (484) 868.1901 JRobinson@DES-EMS.com Abstract: Industrial cogeneration facilities are finding...

Robinson, J.

2008-01-01T23:59:59.000Z

346

Catching fish in the stream: real time analysis of audience behavior in social media  

Science Journals Connector (OSTI)

In this interactive poster, we describe a system we designed for identifying and tracking the behavior of distinct audiences in social media streams. Keywords: audience behavior, real-time analysis, social media

Yu-Ru Lin; Drew Margolin; Brian Keegan; Mauro Martino; Sasha Goodman; David Lazer

2013-02-01T23:59:59.000Z

347

A Two-Layered Management Architecture for Building Adaptive Real-time Systems  

E-Print Network [OSTI]

. The ASoC project aims at the development of an architecure and design methodology to embed autonomic the fundamental concepts of software architectures for embedded real- time systems in depth. Solomon et al

Ungerer, Theo

348

Energy Saving Measures of Heating Network - Computerized Real-time Control System  

E-Print Network [OSTI]

ICEBO2006, Shenzhen, ChinaHVAC Technologies for Energy Efficiency, Vol. IV-12-9 Energy Saving Measures of Heating Network ?Computerized Real-time Control System Jieyan Zhang Service Bureau, Deputy-director, State...

Zhang, J.

2006-01-01T23:59:59.000Z

349

Real-Time Data Assimilation for Operational Ensemble Streamflow Forecasting JASPER A. VRUGT  

E-Print Network [OSTI]

Real-Time Data Assimilation for Operational Ensemble Streamflow Forecasting JASPER A. VRUGT Earth values must be specified (Table 1). Corresponding author address: Jasper Vrugt, Earth and Envi- ronmental

Vrugt, Jasper A.

350

Real Time Control of a Shuttle Phase Change Material Experiment Using Flight Correlated Algorithms  

Science Journals Connector (OSTI)

This paper presents a summary of the methods and algorithms used for the real time control of the Brilliant Eyes Thermal Storage Unit (BETSU) experiment. The BETSU utilized 2-methyl pentane as a 120 K Phase Change

D. S. Glaister; K. D. Bell; D. J. Hernandez; M. Bello…

1995-01-01T23:59:59.000Z

351

Development of environmental and oceanographic real-time assessment system for the near-shore environment  

E-Print Network [OSTI]

of the constituents of interest. This study is focused on the development of a framework that couples real-time measurements and numerical simulation for tracking constituents in surface waters. The parameterization of the mixing and turbulent diffusion impacts...

Ojo, Temitope O.

2006-08-16T23:59:59.000Z

352

Real-time push middleware and mobile application for electric vehicle smart charging and aggregation  

Science Journals Connector (OSTI)

This paper presents a real-time push middleware and mobile application for data and multimedia content delivery to enable electric vehicle smart charging and aggregation. Intelligent aggregation and charge scheduling software can leverage the battery ...

Siddhartha Mal; Rajit Gadh

2013-06-01T23:59:59.000Z

353

Journal of real time image processing manuscript No. (will be inserted by the editor)  

E-Print Network [OSTI]

Palhano Xavier de Fontes · Guillermo Andrade Barroso · Pierre Hellier Real time ultrasound image denoising, Guillermo Andrade Barroso · Pierre Hellier INRIA Centre de Recherche Rennes Bretagne Atlantique 35 042

Paris-Sud XI, Université de

354

Real-time implementation of a vision based automatic push button  

E-Print Network [OSTI]

This thesis presents a real-time digital signal Processing (DSP) system to detect the presence of pedestrians waiting to cross an intersection. Such a system would improve both pedestrian and vehicle flow considering that almost one third of people...

Rajkotwala, Farida

2012-06-07T23:59:59.000Z

355

Parallel and real-time implementation of an acoustic echo canceller using oversampled wavelet frame algorithms  

E-Print Network [OSTI]

This thesis describes a novel echo cancellation system that eliminates nonstationary echoes with long acoustic delays in real-time. By combining subband adaptive filtering and active system identification based on fast wavelet transform...

Tam, Pak-Yin

2012-06-07T23:59:59.000Z

356

EOS: an object-oriented operating system for embedded real-time applications  

Science Journals Connector (OSTI)

Increases in hardware availability and capability have caused microprocessor based real-time embedded systems to become increasingly pervasive [8,9]. With this popularity, however, has come an increase in the size and complexity of embedded applications. ...

David Langan

1993-03-01T23:59:59.000Z

357

Revise CS 552: Distributed Systems to CS552: Distributed Real-Time Systems  

E-Print Network [OSTI]

Text Book: Real-Time Systems by Jane W.S. Liu, Prentice Hall, 2000 Research papers: Research papers Liu's book 1 #12;­ Resources and resource access control ­ Multiprocessor scheduling, resource access

Heller, Barbara

358

Real time monitoring of multiple wells flowing under pseudosteady state condition by using Kalman filtering  

E-Print Network [OSTI]

This work develops a method for the real time monitoring of well performance by using Kalman filtering. A system of two or more wells draining the same reservoir under pseudo steady state condition is monitored simultaneously to estimate both...

Jacob, Suresh

2012-06-07T23:59:59.000Z

359

Real-Time Modeling of Ocean Currents for Navigating Underwater Glider Sensing Networks  

Science Journals Connector (OSTI)

Ocean models that are able to provide accurate and real-time prediction of ocean currents will improve the performance of glider navigation. ... a novel approach to compute a model for ocean currents at higher re...

Dongsik Chang; Xiaolin Liang; Wencen Wu…

2014-01-01T23:59:59.000Z

360

FPGA Based Real-Time Emulation of Single Phase H-Bridge Inverter  

Science Journals Connector (OSTI)

Traditional simulation software such as MATLAB/SIMULINK has shortcomings of low speed and high demand for computer hardware. This paper presents an FPGA based real-time simulation for power electronic devices. An...

Peng Dai; Hongshun Zhu; Xiao Fu; Guangzhou Wang

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Real-Time Cloud Rendering Mark J. Harris and Anselmo Lastra  

E-Print Network [OSTI]

Real-Time Cloud Rendering Mark J. Harris and Anselmo Lastra Department of Computer Science for future research in section 5. Figure 1: Realistic clouds in the game "Ozzy's Black Skies". #12;2 Harris

North Carolina at Chapel Hill, University of

362

Real-time shadow moire vibration measurement: method featuring simple setup, high sensitivity, and exact calibration  

Science Journals Connector (OSTI)

A new, simple low-cost method is presented for real-time measurement of arbitrary vibrations using the shadow moire technique. It is shown, by comparing with holographic measurements,...

Dirckx, J J J; Decraemer, W F; Janssens, J L

1986-01-01T23:59:59.000Z

363

Generators for Synthesis of QoS Adaptation in Distributed Real-Time Embedded Systems  

Science Journals Connector (OSTI)

This paper presents a model-driven approach for generating Quality-of-Service (QoS) adaptation in Distributed Real-Time Embedded (DRE) systems. The ... - the Adaptive Quality Modeling Language. Multiple generators

Sandeep Neema; Ted Bapty; Jeff Gray…

2002-01-01T23:59:59.000Z

364

Real-time programming and the big ideas of computational literacy  

E-Print Network [OSTI]

Though notoriously difficult, real-time programming offers children a rich new set of applications, and the opportunity to engage bodily knowledge and experience more centrally in intellectual enterprises. Moreover, the ...

Hancock, Christopher Michael, 1961-

2003-01-01T23:59:59.000Z

365

Dedicated optoelectronic stochastic parallel processor for real-time image processing: motion-detection  

E-Print Network [OSTI]

Dedicated optoelectronic stochastic parallel processor for real-time image processing: motion and performance analysis of a dedicated optoelectronic processor that implements stochastic optimization, providing compact, high-bandwidth intrachip optoelectronic interconnects. We have modeled the oper- ation

Paris-Sud XI, Université de

366

An Algorithm for Icon Labelling on a Real-Time Map  

Science Journals Connector (OSTI)

An algorithm has been developed for icon labelling on a real-time map. The ... on a least-disturbing definition and positions the icons in an area where they obscure the ... has been performed which demonstrates ...

Lars Harrie; Hanna Stigmar; Tommi Koivula…

2005-01-01T23:59:59.000Z

367

Antibiotic assisted molecular ion transport across a membrane in real time  

E-Print Network [OSTI]

Antibiotic assisted molecular ion transport across a membrane in real time Jian Liu, Xiaoming Shang of various chemical and physical phenomena as well as applications such as solar energy conversion, catalysis

Eisenthal, Kenneth B.

368

header for SPIE use Real-Time Weather Data on Terrain  

E-Print Network [OSTI]

behave in the presence of hills or mountains and other features. Keywords: Real-time visualization into a global geospatial structure based on a forest of quadtrees [Dav98, Dav99, Fau00]. Even the volumetric

Shaw, Chris

369

Improving data collection and monitoring through real-time data analysis  

Science Journals Connector (OSTI)

Feedback based on real-time data is increasingly important for ICT-based interventions in the developing world. Applications such as facility inventories, summarization of patient data from community health workers, etc. need processes for analyzing ...

P. Lubell-Doughtie; P. Pokharel; M. Johnston; V. Modi

2013-01-01T23:59:59.000Z

370

A realistic method for real-time obstacle avoidance without the Calculation of Cspace  

E-Print Network [OSTI]

extensively used for the inspection, maintenance and repair of offshore structures in both deep and shallow,45,46,30,31]. Such a real-time system normally consists of the following tasks: 1. dynamic plant identification; 2. low

371

Journal of Robotica 1 A realistic method for real-time obstacle  

E-Print Network [OSTI]

extensively used for the inspection, maintenance and repair of offshore structures in both deep and shallow,45,46,30,31]. Such a real-time system normally consists of the following tasks: 1. dynamic plant identification; 2. low

372

Toward natural interaction in the real world: real-time gesture recognition  

E-Print Network [OSTI]

Using a new hand tracking technology capable of tracking 3D hand postures in real-time, we developed a recognition system for continuous natural gestures. By natural gestures, we mean those encountered in spontaneous ...

Yin, Ying

373

Real-time impluse-based rigid body simulation and rendering  

E-Print Network [OSTI]

The purpose of this thesis is to develop and demonstrate a physically based rigid body simulation with a focus on simplifications to achieve real-time performance. This thesis aims to demonstrate that by improving the efficiency with simplified...

Yuksel, Can

2007-09-17T23:59:59.000Z

374

Multi-version Scheduling in Rechargeable Energy-aware Real-time Systems  

E-Print Network [OSTI]

and a solar panel [14]. In our work we also assume that the battery is rechargeable. During the day real Research Projects Agency through the PARTS (Power-Aware Real-Time Systems) project under Contract F33615

Melhem, Rami

375

Energy-optimal schedules of real-time jobs with hard deadlines  

E-Print Network [OSTI]

In this thesis, we develop algorithms that make optimal use of frequency scaling to schedule jobs with real??time requirements. Dynamic voltage scaling is a technique used to reduce energy consumption in wide variety of systems. Reducing supply...

George, John Vijoe

2005-11-01T23:59:59.000Z

376

Modeling real-time human-automation collaborative scheduling of unmanned vehicles  

E-Print Network [OSTI]

Recent advances in autonomy have enabled a future vision of single operator control of multiple heterogeneous Unmanned Vehicles (UVs). Real-time scheduling for multiple UVs in uncertain environments will require the ...

Clare, Andrew S

2013-01-01T23:59:59.000Z

377

May 21, 2011 - Getting Useful Real Time Feedback About Your Program Webinar (text version)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

1, 2011 - Getting Useful Real Time Feedback About 1, 2011 - Getting Useful Real Time Feedback About Your Program Webinar (text version) Below is the text version of the Webinar titled "Getting Useful Real Time Feedback About Your Program" originally presented on May 21, 2011. (Please note: portions of the transcript below may be incomplete where indicated with an underlined placeholder space. Please refer to the webinar presentation recording and slides for additional information.) Operator: The broadcast is now starting. All attendees are listen only mode. Sargon de Jesus: Good afternoon. My name is Sargon de Jesus and I am with ERG, a contractor supporting the U.S. Department of Energy Better Buildings program. I wanna thank you for joining today's webinar titled "Getting useful real time feedback about your

378

Fuzzy adaptive connection admission control for real-time applications in ATM-based heterogeneous networks  

E-Print Network [OSTI]

In this thesis, I propose a fuzzy adaptive connection admission control (CAC) approach for real-time applications in ATM-Based heterogeneous networks (ABHN) where ATM serves as a backbone that connects different LANs by interface devices. This type...

Zhang, Ying-Bi

1997-01-01T23:59:59.000Z

379

Getting a Better Performing Building: Commissioning and Real Time Data Analysis  

E-Print Network [OSTI]

based on real time system operational data. Because of the dynamic nature and complexity of commercial building HVAC systems, they are the perfect target for periodic performance assessments, or recommissioning. Today's buildings are expected to supply...

Barba, M.

2002-01-01T23:59:59.000Z

380

Automatic real-time lip synchronization using LPC analysis and neural networks  

E-Print Network [OSTI]

the process of generating real-time lip sync animation, while keeping the resulting animation as believable as possible. Using a single audio voice track or live microphone input, the implemented program extracts distinguishing features from the audio signal...

Haaser, Christina Marie

2012-06-07T23:59:59.000Z

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Cybersecurity and the Smarter Grid  

Science Journals Connector (OSTI)

Reliability remains a fundamental principle of grid modernization efforts, but in today's world, reliability requires cybersecurity. This article discusses energy sector partnerships that are designing cybersecurity into the smart grid with the vision of surviving a cyber-incident while sustaining critical energy delivery functions.

Carol Hawk; Akhlesh Kaushiva

2014-01-01T23:59:59.000Z

382

Real-time metaphorical visualization of multi-dimensional environmental data  

E-Print Network [OSTI]

REAL-TIME METAPHORICAL VISUALIZATION OF MULTI- DIMENSIONAL ENVIRONMENTAL DATA A Thesis by ERIC BRIAN ALEY Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements... for the degree of MASTER OF SCIENCE May 2006 Major Subject: Visualization Sciences REAL-TIME METAPHORICAL VISUALIZATION OF MULTI- DIMENSIONAL ENVIRONMENTAL DATA A Thesis by ERIC BRIAN ALEY Submitted to the Office of Graduate Studies...

Aley, Eric Brian

2006-08-16T23:59:59.000Z

383

Real time MR Coronary Angiography at 3T P. K. Nguyen1  

E-Print Network [OSTI]

Real time MR Coronary Angiography at 3T P. K. Nguyen1 , K. Nayak2,3 , C. Cunningham3 , J. M. Santos3 , M. Tsukiji1 , J. Brittain4 , M. V. McConnell1 , D. Nishimura3 , B. Hu3 , J. Pauly3 , P. Yang1 1 Park, CA, United States Introduction. Real time MR eliminates the need for cardiac-gating or breath

Southern California, University of

384

Real-time processing of remote sensor data as applied to Arctic ice classification  

E-Print Network [OSTI]

as an earth observations system [4]; remote sensor measurements (radar measurements) from an environmental situation (the Arctic surface) are processed and analyzed at a real-time rate to yield a usable output data product (ice statistics) which in turn...REAL-TIME PROCESSING OF REMOTE SENSOR DATA AS APPLIED TO ARCTIC ICE CLASSIFICATION A Thesis by JAMES AUSTIN PERMENTER partial ! Submitted to the Graduate College of Texas A)M University in fulfillment of the requirement for the degree...

Permenter, James Austin

1973-01-01T23:59:59.000Z

385

Real-time vibration measurement by a spatial phase-shifting technique with a tilted holographic interferogram  

Science Journals Connector (OSTI)

Real-time vibration measurement by a tilted holographic interferogram is presented that utilizes the real-time digital fringe processor of a video signal. Three intensity data sampled...

Nakadate, Suezou; Isshiki, Masaki

1997-01-01T23:59:59.000Z

386

FUTURE POWER GRID INITIATIVE Actionable Visualization Tools for  

E-Print Network [OSTI]

software environment that can be used for both real-time grid operations as well as long-term planning » develop new visual analytic strategies that incorporate germane information from domains outside of the power grid: e.g., weather, political/social, cyber, etc. This integrated functionality is supported

387

Principal Characteristics of a Modern Grid  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Grid: Grid: Features, Benefits and Costs Illinois Smart Grid Initiative Joe Miller - Modern Grid Strategy Team July 8, 2008 Conducted by the National Energy Technology Laboratory Funded by the U.S. Department of Energy Office of Electricity Delivery and Energy Reliability 2 Office of Electricity Delivery and Energy Reliability MODERN GRID S T R A T E G Y 2 Today's topics Why modernize the grid? What is the Smart Grid? What is the value proposition? Questions 3 MODERN GRID S T R A T E G Y Why modernize the grid? 4 Office of Electricity Delivery and Energy Reliability MODERN GRID S T R A T E G Y Platform for Prosperity Economy now based on electricity Computers, networks, phone system, devices, robotic manufacturing, stock markets Lifestyle now based on electricity

388

Principal Characteristics of a Modern Grid  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

PSC Missouri - Utility Meeting PSC Missouri - Utility Meeting Joe Miller, Steve Pullins - Modern Grid Team January 9, 2008 1 Conducted by the National Energy Technology Laboratory Funded by the U.S. Department of Energy, Office of Electricity Delivery and Energy Reliability 2 Office of Electricity Delivery and Energy Reliability MODERN GRID S T R A T E G Y Agenda Topics What is the Modern Grid Strategy? What is the Modern Grid? Why do we need to modernize the grid? What are some of the benefits? How do we achieve a Modern Grid? What are some of the metrics? What are others doing to modernize? MODERN GRID S T R A T E G Y What is the Modern Grid Strategy? 4 Office of Electricity Delivery and Energy Reliability MODERN GRID S T R A T E G Y The Modern Grid Strategy (MGS)

389

Principal Characteristics of a Modern Grid  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Smart Grid - What's so Smart About It? Smart Grid - What's so Smart About It? An Educational Forum on Smart Grids Joe Miller - Modern Grid Strategy Team June 24, 2008 1 Conducted by the National Energy Technology Laboratory Funded by the U.S. Department of Energy Office of Electricity Delivery and Energy Reliability 2 Office of Electricity Delivery and Energy Reliability MODERN GRID S T R A T E G Y 2 Agenda What is the Smart Grid? EISA 2007 Highlights DOE Activities Questions MODERN GRID S T R A T E G Y What is the Smart Grid? 4 Office of Electricity Delivery and Energy Reliability MODERN GRID S T R A T E G Y 4 What is the role of the MGS? Develop a vision for the Smart Grid Reach out to stakeholders to get input Assist in the identification and resolution of barriers &

390

A Real-time Visual Tracking System in the Robot Soccer Domain Bo Li, Edward Smith, Huosheng Hu, Libor Spacek  

E-Print Network [OSTI]

A Real-time Visual Tracking System in the Robot Soccer Domain Bo Li, Edward Smith, Huosheng Hu Abstract This paper presents a real-time visual tracking system in the robot soccer domain. The details of the Essex Wizards robot football team and its control system are described. A real-time visual tracking

Hu, Huosheng

391

Real-Time Distribution Feeder Performance Monitoring, Advisory Control, and Health Management System  

SciTech Connect (OSTI)

New data collection system equipment was installed in Xcel Energy substations and data was collected from 6 substations and 20 feeders. During Phase I, ABB collected and analyzed 793 real-time events to date from 6 Xcel Energy substations and continues today. The development and integration of several applications was completed during the course of this project, including a model-based faulted segment identification algorithm, with very positive results validated with field-gathered data discussed and included in this report. For mostly underground feeders, the success rate is 90% and the overreach rate is 90%. For mostly overhead feeders, the success rate is 74% and the overreach rate is 50%. The developed method is producing very accurate results for mostly underground feeders. For mostly overhead feeders, due to the bad OMS data quality and varying fault resistance when arcing, the developed method is producing good results but with much room for improvement. One area where the algorithm can be improved is the accuracy for sub-cycle fault events. In these cases, the accuracy of the conventional signal processing methods suffers due to most of these methods being based on a one-cycle processing window. By improving the signal processing accuracy, the accuracy of the faulted segment identification algorithm will also improve significantly. ABB intends to devote research in this area in the near future to help solve this problem. Other new applications developed during the course of the project include volt/VAR monitoring, unbalanced capacitor switching detection, unbalanced feeder loading detection, and feeder overloading detection. An important aspect of the demonstration phase of the project is to show the ability to provide adequate “heads-up” time ahead of customer calls or AMI reports so that the operators are provided with the much needed time to collect information needed to address an outage. The advance notification feature of the demonstration system provides this time and helps accelerate service restoration ultimately. To demonstrate the effectiveness of this feature, a demo system using substation data alone was set up to compare the minutes saved over a period of 22 months for two feeders where the real-time notification system has been deployed. The metric used for performance assessment is the time difference between the actual outage time from the OMS versus the time the notification email was received on the operators desk. Over the period of 22 months, we have accumulated over 7600 minutes (32 hours) ahead of actual outage time compared to the OMS timestamps. The significance of this analysis is that it shows the potential to reduce the SAIDI minutes and directly impact utility performance in terms of outage duration. If deployed at scale, it would have a significant impact on system reliability. To put this number in perspective, it would be helpful to assign a dollar figure to the potential savings that could be realized. According to the host utility, the average cost for each customer-minute-out (CMO) is approximately $0.30 across the operating company. This includes both direct and indirect costs such as bad press. The outage data over the previous 4 years show that the average customer count on primary/tap level outages is about 56. Accordingly, the total minutes saved amounts to 425,600 CMOs on the average. This would in turn result in a potential cost savings figure of $127,680 for two feeders alone over the period of performance. This empirical evidence validates the strong value proposition of the project that was contemplated at the onset and its potential impact to reduce outage duration in support of DOE’s goal of 20%

Stoupis, James; Mousavi, Mirrasoul

2014-09-30T23:59:59.000Z

392

Validation of real-time PCR for detection of six major pathogens in seafood products  

Science Journals Connector (OSTI)

Abstract Seafood can pose a public health concern to consumers. It is often consumed raw and may be contaminated with several foodborne pathogens. In order to guarantee the safety of seafood, real-time polymerase chain reaction (PCR) protocols may be used as these enable results to be provided within 24 h. The first goal of our work was to develop real-time PCR protocols enabling the detection of six foodborne pathogens that may be present in seafood products (Campylobacter jejuni, Campylobacter coli, enterohemorrhagic Escherichia coli, Salmonella spp., Vibrio parahaemolyticus, and Vibrio vulnificus). The corresponding gene targets were: 50S/VS1, rfbE, ttr, tlh, and vvp. A multiplex PCR was also developed to detect the virulence genes of V. parahaemolyticus: tdh and trh. A total of 420 bacterial strains belonging to four different genera/strains were used in this study. Sensitivity and specificity were always 100%, except in the case of Salmonella spp., where three strains were not detected by our PCR protocols. The second objective of our work was to assess the detection limit of our real-time PCR protocols on artificially contaminated seafood products (raw shrimps, cooked shrimps, and raw mussels), purchased in public stores. Six different levels of contamination were assayed in four replicates for each matrix. The real-time PCR protocols enabled a better level of detection than the ISO methods, except for Salmonella in raw shrimps and for V. vulnificus in shrimps (raw and cooked). The estimated level of detection was between 1 and 47 cfu/25 g sample for the ISO norms and between 1 and 315 cfu/25 g sample for the real-time PCR protocols tailored in our work. The real-time \\{PCRs\\} developed in our work allowed for good selectivity, sensitivity, and specificity. The sensitivity on seafood products was estimated at a level of 100%, except for Salmonella (97%). In the spiking assays, the levels of detection were lower with the real-time PCR protocol than those obtained with the ISO method. This was not the case for V. vulnificus in raw and cooked shrimps and for Salmonella in raw shrimps. These real-time PCR protocols appear to be good alternative methods for surveillance of seafood products to ensure the absence of foodborne pathogens. One additional conclusion is that laboratories have to use enrichment media that are compatible with those recommended by ISO standards. This may facilitate the isolation of the pathogen if the real-time PCR protocol gives a suspect positive signal during the first step of the seafood analysis.

B. Taminiau; N. Korsak; C. Lemaire; V. Delcenserie; G. Daube

2014-01-01T23:59:59.000Z

393

Real-time Building Energy Simulation using EnergyPlus and the Building  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-time Building Energy Simulation using EnergyPlus and the Building Real-time Building Energy Simulation using EnergyPlus and the Building Controls Virtual Test Bed Title Real-time Building Energy Simulation using EnergyPlus and the Building Controls Virtual Test Bed Publication Type Conference Proceedings LBNL Report Number LBNL-5390E Year of Publication 2011 Authors Pang, Xiufeng, Prajesh Bhattacharya, Zheng O'Neill, Philip Haves, Michael Wetter, and Trevor Bailey Conference Name Proc. of the 12th IBPSA Conference Pagination p. 2890-2896 Date Published 11/2011 Conference Location Sydney, Australia Abstract Most commercial buildings do not perform as well in practice as intended by the design and their performances often deteriorate over time. Reasons include faulty construction, malfunctioning equipment, incorrectly configured control systems and inappropriate operating procedures (Haves et al., 2001, Lee et al., 2007). To address this problem, the paper presents a simulation-based whole building performance monitoring tool that allows a comparison of building actual performance and expected performance in real time. The tool continuously acquires relevant building model input variables from existing Energy Management and Control System (EMCS). It then reports expected energy consumption as simulated of EnergyPlus. The Building Control Virtual Test Bed (BCVTB) is used as the software platform to provide data linkage between the EMCS, an EnergyPlus model, and a database. This paper describes the integrated real-time simulation environment. A proof-of-concept demonstration is also presented in the paper.

394

Distributed Smart-home Decision-making in a Hierarchical Interactive Smart Grid  

E-Print Network [OSTI]

1 Distributed Smart-home Decision-making in a Hierarchical Interactive Smart Grid Architecture Ding develop a comprehensive real-time interactive framework for the Utility and customers in a smart grid complicated smart grid architectures beyond the assumed abstract model. Index Terms--Bayesian Nash equilibria

Jayaweera, Sudharman K.

395

DOE REAL-TIME SEISMIC MONITORING AT ENHANCED GEOTHERMAL SYSTEM SITES | Open  

Open Energy Info (EERE)

REAL-TIME SEISMIC MONITORING AT ENHANCED GEOTHERMAL SYSTEM SITES REAL-TIME SEISMIC MONITORING AT ENHANCED GEOTHERMAL SYSTEM SITES Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Proceedings: DOE REAL-TIME SEISMIC MONITORING AT ENHANCED GEOTHERMAL SYSTEM SITES Details Activities (6) Areas (6) Regions (0) Abstract: Lawrence Berkeley National Laboratory (LBNL) at the direction of the United States Department of Energy (DOE) Geothermal Technologies EGS Program is installing, operating, and/or interfacing seismic arrays at multiple Enhanced Geothermal Systems (EGS) sites. The overall goal is to gather high resolution seismicity data before, during and after stimulation activities at the EGS projects. This will include both surface and borehole deployments (as necessary in available boreholes) to provide high quality

396

Geek-Up[09.03.10] -- Innovative Silicon Wafers, Real-Time Power Traders and  

Broader source: Energy.gov (indexed) [DOE]

09.03.10] -- Innovative Silicon Wafers, Real-Time Power 09.03.10] -- Innovative Silicon Wafers, Real-Time Power Traders and Petascale & Exascale Supercomputers Geek-Up[09.03.10] -- Innovative Silicon Wafers, Real-Time Power Traders and Petascale & Exascale Supercomputers September 3, 2010 - 12:38pm Addthis A silver wafer reflects the face of NREL research scientist Hao-Chih Yuan, before the wafer is washed with a mix of acids. The acids etch holes, absorbing light and turning the wafer black. | Photo Credit: Dennis Schroeder, NREL A silver wafer reflects the face of NREL research scientist Hao-Chih Yuan, before the wafer is washed with a mix of acids. The acids etch holes, absorbing light and turning the wafer black. | Photo Credit: Dennis Schroeder, NREL Elizabeth Meckes Elizabeth Meckes Director of User Experience & Digital Technologies, Office of Public

397

Geek-Up[09.03.10] -- Innovative Silicon Wafers, Real-Time Power Traders and  

Broader source: Energy.gov (indexed) [DOE]

Geek-Up[09.03.10] -- Innovative Silicon Wafers, Real-Time Power Geek-Up[09.03.10] -- Innovative Silicon Wafers, Real-Time Power Traders and Petascale & Exascale Supercomputers Geek-Up[09.03.10] -- Innovative Silicon Wafers, Real-Time Power Traders and Petascale & Exascale Supercomputers September 3, 2010 - 12:38pm Addthis A silver wafer reflects the face of NREL research scientist Hao-Chih Yuan, before the wafer is washed with a mix of acids. The acids etch holes, absorbing light and turning the wafer black. | Photo Credit: Dennis Schroeder, NREL A silver wafer reflects the face of NREL research scientist Hao-Chih Yuan, before the wafer is washed with a mix of acids. The acids etch holes, absorbing light and turning the wafer black. | Photo Credit: Dennis Schroeder, NREL Elizabeth Meckes Elizabeth Meckes Director of User Experience & Digital Technologies, Office of Public

398

ME EET Seminar: Real-time Predictive Control: From Automotive Systems to  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-time Predictive Control: From Automotive Systems to Real-time Predictive Control: From Automotive Systems to Energy Efficient Buildings Speaker(s): Francesco Borrelli Date: February 10, 2010 - 12:00pm Location: 90-3122 Hybrid systems are heterogeneous systems that exhibit both continuous and discrete dynamics. Over the last eight years we have focused on the development of systematic, real-time, predictive controller synthesis techniques for hybrid systems with constraints. In this talk I will first summarize our theoretical efforts starting from constrained optimal control design for hybrid systems with constraints. Then, I will show how these results can be used in order to develop a theory for distributed predictive control for large-scale systems. The second part of the talk presents a range of applications where the proposed techniques were used with great

399

Improved process control through real-time measurement of mineral content  

SciTech Connect (OSTI)

In a highly collaborative research and development project with mining and university partners, sensors and data-analysis tools are being developed for rock-mass characterization and real-time measurement of mineral content. Determining mineralogy prior to mucking in an open-pit mine is important for routing the material to the appropriate processing stream. A possible alternative to lab assay of dust and cuttings obtained from drill holes is continuous on-line sampling and real-time x-ray fluorescence (XRF) spectroscopy. Results presented demonstrate that statistical analyses combined with XRF data can be employed to identify minerals and, possibly, different rock types. The objective is to create a detailed three-dimensional mineralogical map in real time that would improve downstream process efficiency.

Turler, Daniel; Karaca, Murat; Davis, William B.; Giauque, Robert D.; Hopkins, Deborah

2001-11-02T23:59:59.000Z

400

Real-time MSE measurements for current profile control on KSTAR  

SciTech Connect (OSTI)

To step up from current day fusion experiments to power producing fusion reactors, it is necessary to control long pulse, burning plasmas. Stability and confinement properties of tokamak fusion reactors are determined by the current or q profile. In order to control the q profile, it is necessary to measure it in real-time. A real-time motional Stark effect diagnostic is being developed at Korean Superconducting Tokamak for Advanced Research for this purpose. This paper focuses on 3 topics important for real-time measurements: minimize the use of ad hoc parameters, minimize external influences and a robust and fast analysis algorithm. Specifically, we have looked into extracting the retardance of the photo-elastic modulators from the signal itself, minimizing the influence of overlapping beam spectra by optimizing the optical filter design and a multi-channel, multiharmonic phase locking algorithm.

De Bock, M. F. M.; Aussems, D.; Huijgen, R.; Scheffer, M. [Eindhoven University of Technology, Eindhoven (Netherlands); Chung, J. [National Fusion Research Institute, Daejeon (Korea, Republic of)

2012-10-15T23:59:59.000Z

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Real time voltage control using emergency demand response in distribution system by integrating advanced metering infrastructure  

Science Journals Connector (OSTI)

In this paper an analytical study is reported to demonstrate the effects of demand response on distribution network voltages profile. Also a new approach for real time voltage control is proposed which uses emergency demand response program aiming at maintaining voltage profile in an acceptable range with minimum cost. This approach will be active in emergency conditions where in real time the voltages in some nodes leave their permissible ranges. These emergency conditions are Distributed Generation (DG) units and lines outage and unpredictable demand and renewable generations' fluctuations. The proposed approach does not need the load and renewable generation forecast data to regulate voltage. To verify the effectiveness and robustness of the proposed control scheme the proposed voltage control scheme is tested on a typical distribution network. The simulation results show the effectiveness and capability of the proposed real time voltage control model to maintain smart distribution network voltage in specified ranges in both normal and emergency conditions.

Alireza Zakariazadeh; Shahram Jadid

2014-01-01T23:59:59.000Z

402

Evaluation of flooding schemes for real-time video transmission in \\{VANETs\\}  

Science Journals Connector (OSTI)

Abstract Long-distance real-time video flooding over Vehicular Ad-hoc Networks (VANETs) is challenging due to the dynamic nature of vehicular networks. Real-time video transmission has high requirements in terms of bandwidth and delay, while \\{VANETs\\} are characterized by very limited radio resources and high mobility. Our objective is to compare ten different flooding schemes specially designed for this task and select the best in terms of packet arrival ratio and Peak Signal-to-Noise Ratio (PSNR). Additionally, we propose Automatic Copies Distance Based (ACDB), an improved flooding scheme, to cope with variable vehicle density situations. Furthermore, to ensure a good behavior under all types of circumstances, we also study the impact of Global Positioning System (GPS) drift on these schemes. Simulation results show that long-distance real-time video flooding transmission is feasible under certain vehicle density conditions and the quality achieved is enough to allow using such solutions in future applications.

Alvaro Torres; Carlos T. Calafate; Juan-Carlos Cano; Pietro Manzoni; Yusheng Ji

2015-01-01T23:59:59.000Z

403

The nNJL model with a fractional Lorentzian regulator in the real time formalism  

E-Print Network [OSTI]

In this article we study the finite temperature and chemical potential effects in a nonlocal Nambu-Jona-Lasinio (nNJL) model in the real time formalism. We make the usual Wick rotation to get from imaginary to real time formalism. In doing so, we need to define our regulator in the complex plane q^2. This deffinition will be crucial in our later analysis. We study the poles in the propagator of this model and conclude that only some of them are of interst to us. Once we have a well defined model in real time formalism, we look at the chiral condensate to find the temperature at which chiral symmetry restoration will occur. We find a second order phase transition that turns to a first order one for high enough values of the chemical potential.

M. Loewe; F. Marquez; C. Villavicencio

2013-07-25T23:59:59.000Z

404

Real-Time Power Control of Data Centers for Providing Regulation Service  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Power Control of Data Centers for Providing Regulation Service Real-Time Power Control of Data Centers for Providing Regulation Service Speaker(s): Ayse K. Coskun Date: November 19, 2013 - 12:00pm - 1:00pm Location: 90-3122 Seminar Host/Point of Contact: Girish Ghatikar Today's US power markets offer new opportunities for the energy consumers to reduce their energy costs by first promising an average consumption rate for the next hour and then by following a regulation signal broadcast by the independent system operators (ISOs), who need to match supply and demand in real time in presence of volatile and intermittent renewable energy generation. This talk proposes a management framework for the data centers to participate in the power markets. First, I will discuss how to solve the data center "regulation service (RS)" optimization problem to

405

A Grid Security Infrastructure Based on Behaviors and Trusts  

Science Journals Connector (OSTI)

Computational Grids need support the distributed high performance computing with security and reliability. While the fact is when ... destroy the whole system. For solving these security problems in Grids, a Grid

Xiaolin Gui; Bing Xie; Yinan Li; Depei Qian

2004-01-01T23:59:59.000Z

406

Data Protection in a Cloud-Enabled Smart Grid  

Science Journals Connector (OSTI)

Today’s electricity grid is evolving into the smart grid...which ought to be reliable, flexible, efficient, and sustainable. To fulfill these requirements, the smart grid draws on a plenty of core technologies......

Alexander Fromm; Florian Kelbert; Alexander Pretschner

2013-01-01T23:59:59.000Z

407

A framework for simulation-based real-time whole building performance  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

A framework for simulation-based real-time whole building performance A framework for simulation-based real-time whole building performance assessment Title A framework for simulation-based real-time whole building performance assessment Publication Type Journal Article Refereed Designation Unknown LBNL Report Number 0360-1323 Year of Publication 2012 Authors Pang, Xiufeng, Michael Wetter, Prajesh Bhattacharya, and Philip Haves Journal Building and Environment Volume 54 Start Page 100 Pagination 100-108 Date Published 08/2012 ISSN 0360-1323 Keywords building controls virtual test bed, building performance, energy modeling, energyplus, real-time building simulation Abstract Most commercial buildings do not perform as well in practice as intended by the design and their performances often deteriorate over time. Reasons include faulty construction, malfunctioning equipment, incorrectly configured control systems and inappropriate operating procedures. One approach to addressing this problems is to compare the predictions of an energy simulation model of the building to the measured performance and analyze significant differences to infer the presence and location of faults. This paper presents a framework that allows a comparison of building actual performance and expected performance in real time. The realization of the framework utilized the EnergyPlus, the Building Controls Virtual Test Bed (BCVTB) and the Energy Management and Control System (EMCS) was developed. An EnergyPlus model that represents expected performance of a building runs in real time and reports the predicted building performance at each time step. The BCVTB is used as the software platform to acquire relevant inputs from the EMCS through a BACnet interface and send them to the EnergyPlus and to a database for archiving. A proof-of-concept demonstration is also presented.

408

A system for EPID-based real-time treatment delivery verification during dynamic IMRT treatment  

SciTech Connect (OSTI)

Purpose: To design and develop a real-time electronic portal imaging device (EPID)-based delivery verification system for dynamic intensity modulated radiation therapy (IMRT) which enables detection of gross treatment delivery errors before delivery of substantial radiation to the patient.Methods: The system utilizes a comprehensive physics-based model to generate a series of predicted transit EPID image frames as a reference dataset and compares these to measured EPID frames acquired during treatment. The two datasets are using MLC aperture comparison and cumulative signal checking techniques. The system operation in real-time was simulated offline using previously acquired images for 19 IMRT patient deliveries with both frame-by-frame comparison and cumulative frame comparison. Simulated error case studies were used to demonstrate the system sensitivity and performance.Results: The accuracy of the synchronization method was shown to agree within two control points which corresponds to approximately ?1% of the total MU to be delivered for dynamic IMRT. The system achieved mean real-time gamma results for frame-by-frame analysis of 86.6% and 89.0% for 3%, 3 mm and 4%, 4 mm criteria, respectively, and 97.9% and 98.6% for cumulative gamma analysis. The system can detect a 10% MU error using 3%, 3 mm criteria within approximately 10 s. The EPID-based real-time delivery verification system successfully detected simulated gross errors introduced into patient plan deliveries in near real-time (within 0.1 s).Conclusions: A real-time radiation delivery verification system for dynamic IMRT has been demonstrated that is designed to prevent major mistreatments in modern radiation therapy.

Fuangrod, Todsaporn [Faculty of Engineering and Built Environment, School of Electrical Engineering and Computer Science, the University of Newcastle, NSW 2308 (Australia)] [Faculty of Engineering and Built Environment, School of Electrical Engineering and Computer Science, the University of Newcastle, NSW 2308 (Australia); Woodruff, Henry C.; O’Connor, Daryl J. [Faculty of Science and IT, School of Mathematical and Physical Sciences, the University of Newcastle, NSW 2308 (Australia)] [Faculty of Science and IT, School of Mathematical and Physical Sciences, the University of Newcastle, NSW 2308 (Australia); Uytven, Eric van; McCurdy, Boyd M. C. [Division of Medical Physics, CancerCare Manitoba, 675 McDermot Avenue, Winnipeg, Manitoba R3E 0V9 (Canada) [Division of Medical Physics, CancerCare Manitoba, 675 McDermot Avenue, Winnipeg, Manitoba R3E 0V9 (Canada); Department of Physics and Astronomy, University of Manitoba, Winnipeg, Manitoba R3T 2N2 (Canada); Department of Radiology, University of Manitoba, Winnipeg, Manitoba R3T 2N2 (Canada); Kuncic, Zdenka [School of Physics, University of Sydney, Sydney, NSW 2006 (Australia)] [School of Physics, University of Sydney, Sydney, NSW 2006 (Australia); Greer, Peter B. [Faculty of Science and IT, School of Mathematical and Physical Sciences, the University of Newcastle, NSW 2308, Australia and Department of Radiation Oncology, Calvary Mater Newcastle Hospital, Locked Bag 7, Hunter region Mail Centre, Newcastle, NSW 2310 (Australia)] [Faculty of Science and IT, School of Mathematical and Physical Sciences, the University of Newcastle, NSW 2308, Australia and Department of Radiation Oncology, Calvary Mater Newcastle Hospital, Locked Bag 7, Hunter region Mail Centre, Newcastle, NSW 2310 (Australia)

2013-09-15T23:59:59.000Z

409

Cybersecurity and the Smarter Grid (2014)  

Broader source: Energy.gov [DOE]

An article by OE’s Carol Hawk and Akhlesh Kaushiva in The Electricity Journal discusses cybersecurity for the power grid and how DOE and the energy sector are partnering to keep the smart grid reliable and secure.

410

Real-Time Building Energy Modeling, fault Detection and Diagnostic for a DoD Building  

E-Print Network [OSTI]

ME 4343 HVAC Design Real-Time Building Energy Modeling and Fault Detection and Diagnostics for a DoD Building Bing Dong1, Zheng O’Neill2 1 University of Texas, San Antonio, TX, USA 2 University of Alabama, AL, USA The work was done at the United... distributed Direct Digital Control System (DDC) 4 7114 7113 ESL-KT-13-12-18 CATEE 2013: Clean Air Through Energy Efficiency Conference, San Antonio, Texas Dec. 16-18 Technology Approaches 5 Core Layer: BIM-based Database BIM to BEM Real-time Data Acquisition...

Dong, B.

2013-01-01T23:59:59.000Z

411

Sequential linearization as an approach to real-time marine gas turbine simulation  

SciTech Connect (OSTI)

A read-time marine gas turbine simulation would offer an essential basis for advanced marine propulsion control designs. such designs may be realized as model reference controllers and/or health monitoring controllers. This paper presents an approach to real-time turbine simulation, using a method of sequential state space linearizations. The linearizations are shown to be simple enough to be computed in real time. Comparisons between simulations and experiments are presented and discussed. The approach is shown to have very good accuracy for both transient and steady-state predictions.

Smith, D.L.; Stammetti, V.A. (Naval Postgraduate School, Monterey, CA (USA). Dept. of Mechanical Engineering)

1990-04-01T23:59:59.000Z

412

Development and application of a real-time recovery boiler expert system  

SciTech Connect (OSTI)

The recovery boiler, although often a bottleneck, is an integral part of any kraft mill. Maximizing production while maintaining safe operation are primary concerns. Statistical process control (SPC) and simulation are powerful tools for addressing these problems. SPC is useful for maintaining stable operation, whereas off-line simulation has proven useful to evaluate various operating strategies. Real-time integration of these methods has also been proposed. This paper describes integration of a millwide information system, an expert system shell, SPC, and real-time process simulation into a prototype advisory system for recovery boiler operation.

Smith, D.B.; Damon, R.A. (James River Corp., Camas Technical Center, Camas, WA (US)); Edwards, L.L. (Univ. of Idaho, Chemical Engineering, Buchannon Engineering Lab., Moscow, ID (US))

1991-11-01T23:59:59.000Z

413

Real-time, single-step bioassay using nanoplasmonic resonator with ultra-high sensitivity  

DOE Patents [OSTI]

A nanoplasmonic resonator (NPR) comprising a metallic nanodisk with alternating shielding layer(s), having a tagged biomolecule conjugated or tethered to the surface of the nanoplasmonic resonator for highly sensitive measurement of enzymatic activity. NPRs enhance Raman signals in a highly reproducible manner, enabling fast detection of protease and enzyme activity, such as Prostate Specific Antigen (paPSA), in real-time, at picomolar sensitivity levels. Experiments on extracellular fluid (ECF) from paPSA-positive cells demonstrate specific detection in a complex bio-fluid background in real-time single-step detection in very small sample volumes.

Zhang, Xiang; Ellman, Jonathan A; Chen, Fanqing Frank; Su, Kai-Hang; Wei, Qi-Huo; Sun, Cheng

2014-04-01T23:59:59.000Z

414

A new approach to power quality and electricity reliability monitoring-case study illustrations of the capabilities of the I-GridTM system  

SciTech Connect (OSTI)

This report describes a new approach for collecting information on power quality and reliability and making it available in the public domain. Making this information readily available in a form that is meaningful to electricity consumers is necessary for enabling more informed private and public decisions regarding electricity reliability. The system dramatically reduces the cost (and expertise) needed for customers to obtain information on the most significant power quality events, called voltage sags and interruptions. The system also offers widespread access to information on power quality collected from multiple sites and the potential for capturing information on the impacts of power quality problems, together enabling a wide variety of analysis and benchmarking to improve system reliability. Six case studies demonstrate selected functionality and capabilities of the system, including: Linking measured power quality events to process interruption and downtime; Demonstrating the ability to correlate events recorded by multiple monitors to narrow and confirm the causes of power quality events; and Benchmarking power quality and reliability on a firm and regional basis.

Divan, Deepak; Brumsickle, William; Eto, Joseph

2003-04-01T23:59:59.000Z

415

Performance Evaluation of Real Time Formaldehyde Monitors: PTR-MS and  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Performance Evaluation of Real Time Formaldehyde Monitors: PTR-MS and Performance Evaluation of Real Time Formaldehyde Monitors: PTR-MS and Interscan 4160-500B Portable Monitor Title Performance Evaluation of Real Time Formaldehyde Monitors: PTR-MS and Interscan 4160-500B Portable Monitor Publication Type Report LBNL Report Number LBNL-6357E Year of Publication 2013 Authors Sidheswaran, Meera A., Sebastian Cohn, Douglas P. Sullivan, and Lara A. Gundel Publisher Lawrence Berkeley National Laboratory City Berkeley Abstract Executive Summary Exposure to volatile organic compounds (VOCs) in buildings is a health hazard. Of particular concern is formaldehyde, a ubiquitous carcinogen emitted from furnishings and adhesives in homes and offices. Practitioners and researchers in the area of building performance are very interested in measuring formaldehyde in homes, and they need instrumentation that responds immediately. Current formaldehyde monitoring techniques are hampered by interfering substances in the sample airstream, compromising measurement accuracy and leading to drift. Many experts are now using a tabletop real-time formaldehyde instrument, the Interscan 4160-2, that LBNL researchers have found to be very sensitive to water vapor and low levels of volatile organic compounds (VOCs). Unless ways are found to remove these interferences, relying on the Interscan's readings in buildings will lead to the wrong conclusions about formaldehyde levels and could trigger subsequent unnecessary expense and/or inappropriate responses.

416

Filter loading corrections for real-time aethalometer measurements of fresh  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Filter loading corrections for real-time aethalometer measurements of fresh Filter loading corrections for real-time aethalometer measurements of fresh diesel soot. (2007) Title Filter loading corrections for real-time aethalometer measurements of fresh diesel soot. (2007) Publication Type Journal Article Year of Publication 2007 Authors Jimenez, Jorge, Candis S. Claiborn, Timothy Larson, Thomas W. Kirchstetter, and Lara A. Gundel Journal Journal of Air and Waste Management Association Volume 57 Issue 7 Pagination 868-873 Abstract In this study, a correction was developed for the aethalometer to measure real-time black carbon (BC) concentrations in an environment dominated by fresh diesel soot. The relationship between the actual mass-specific absorption coefficient for BC and the BC-dependent attenuation coefficients was determined from experiments conducted in a diesel exposure chamber that provided constant concentrations of fine particulate matter (PM; PM(2.5); PM < 2.5 microm in aerodynamic diameter) from diesel exhaust. The aethalometer reported BC concentrations decreasing with time from 48.1 to 31.5 microg m(-3) when exposed to constant PM(2.5) concentrations of 55 +/- 1 microg m(-3) and b(scat) = 95 +/- 3 Mm(-1) from diesel exhaust. This apparent decrease in reported light-absorbing PM concentration was used to derive a correction K(ATN) for loading of strong light-absorbing particles onto or into the aethalometer filter tape, which was a function of attenuation of light at 880 nm by the embedded particles

417

Modeling FullEnvelope Aerodynamics of Small UAVs in RealTime Prof. Michael Selig  

E-Print Network [OSTI]

D M E S S Modeling FullEnvelope Aerodynamics of Small UAVs in RealTime Prof. Michael Selig Applied Aerodynamics Group and Subsonic Aerodynamics Research Lab Department of Aerospace Engineering will focus on the development of a full six degreeoffreedom aerodynamics modeling environment for small UAVs

Barthelat, Francois

418

Real-time tracking of highly articulated structures in the presence of noisy measurements  

E-Print Network [OSTI]

for several domains. In particu- lar there has been much interest in tracking human motion [9]. There are many) and can also be ap- plied to non-Gaussian statistics using a simple but power- ful trick. The resulting(N) algorithm and give timings which are essentially real-time, but make use of a powerful (but comparatively

Martin, Ralph R.

419

Uncertainty-based Sensor Fusion of Range Data for Real-time Digital Elevation Mapping (RTDEM)  

E-Print Network [OSTI]

of the environment that allows fusion of sensory range data of various types and fidelities while explicitly takingUncertainty-based Sensor Fusion of Range Data for Real-time Digital Elevation Mapping (RTDEM) Lars classes of environment modeling. Index Terms-- Terrain estimation, sensor fusion, 2.5D ele- vation mapping

Murray, Richard M.

420

Figure 1: ATA 42 antenna array at Hat Creek ********ADAPTIVE REAL TIME IMAGING FOR RADIO ASTRONOMY*******  

E-Print Network [OSTI]

Figure 1: ATA 42 antenna array at Hat Creek ********ADAPTIVE REAL TIME IMAGING FOR RADIO ASTRONOMY --------------------------­ · Astronomers primarily interested in astronomy. ­ Data reduction preoccupies radio astronomy specialists,f,p Bandpass( )f PolCal( )f,p Gains( )s,f,p S Beam Imager Astronomy Solver I2 ( ) )^(^, 2sVpfV - å ¹kj X Solver

Militzer, Burkhard

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Real-Time Visualization of Hydroelectric Project Based on Multilayer Object-Oriented Graphics Model  

Science Journals Connector (OSTI)

The objective of this paper is to realize the real-time visualization of hydroelectric project. Based on the object-oriented graphics modeling technology, we construct the three kinds of graphics models sorted by hierarchy---unit model, process model, ... Keywords: visualization, hydroelectric project, simulation, object-oriented graphics modeling technology, interaction

Yuan Huang; Xian-Jia Wang; Zhi-Xiu Cheng

2008-08-01T23:59:59.000Z

422

Real time acquisition and PC to PC wireless transmission of human carotid pulse waveform  

Science Journals Connector (OSTI)

Carotid pulse is an established physiological parameter used to deduce cardiac information. Technological advances allow non-invasive measurement of carotid waveform, but involve complex electronics. Simple and relatively inexpensive method is devised ... Keywords: Carotid pulse, Digital filters, Non-invasive, Piezo-electric sensor, Real time, Wireless

Dipali Bansal; Munna Khan; Ashok K. Salhan

2009-10-01T23:59:59.000Z

423

Observer-based control of a tethered wing wind power system: indoor real-time experiment  

E-Print Network [OSTI]

Observer-based control of a tethered wing wind power system: indoor real-time experiment Ahmad, a novel wind power system based on a tethered wing is presented. An observer-based control strategy WindPower, Joby energy [8] or Makani Power [9], is composed of one or several airborne wind turbines

Paris-Sud XI, Université de

424

Real-Time Deferrable Load Control: Handling the Uncertainties of Renewable Generation  

E-Print Network [OSTI]

Real-Time Deferrable Load Control: Handling the Uncertainties of Renewable Generation Lingwen Gan is an essential tool for handling the uncertainties associated with the increasing penetration of renewable aggregate) to compensate for the random fluctuations in renewable generation. In this paper, we propose

Low, Steven H.

425

Volatile emission by contest losers revealed by real-time chemical analysis  

Science Journals Connector (OSTI)

...losers revealed by real-time chemical analysis Marlene Goubault Tim...interactions often involve chemical exchange but simultaneous evaluation...individuals. We explore the chemical behaviour of the bethylid wasp...APCI source was mounted on a Platform II mass spectrometer (Waters...

2006-01-01T23:59:59.000Z

426

Multi-touchless: Real-Time Fingertip Detection and Tracking Using Geodesic Maxima  

E-Print Network [OSTI]

Multi-touchless: Real-Time Fingertip Detection and Tracking Using Geodesic Maxima Philip Krejov the geodesic maxima of the surface. Fingertips are then selected from these maxima using a simplified model that uses geodesic maxima instead of visual appearance which is both efficient to compute and robust to both

Bowden, Richard

427

arXiv:hepex/9905010 Towards Low-Threshold, Real-Time Solar Neutrino  

E-Print Network [OSTI]

of qualitatively new experimental tools. According to the SSM the solar neutrino ux is dominated by the low energy energy resolution. The main obstacle in achieving these goals comes from the formidable backgrounds fromarXiv:hep­ex/9905010 v1 6 May 1999 Towards Low-Threshold, Real-Time Solar Neutrino Detectors G

Gratta, Giorgio

428

Compositionality in Real-Time Model Checking Jasper Berendsen and Frits Vaandrager  

E-Print Network [OSTI]

Compositionality in Real-Time Model Checking Jasper Berendsen and Frits Vaandrager Radboud Universiteit Nijmegen Laquso Lunch Colloquium, 8 november 2007 Jasper Berendsen and Vaandrager Compositionality Modules, etc, CCS, I/O automata, ACP, mCRL2, etc Lamport: "In reality there are only states" Jasper

Vaandrager, Frits

429

Design and implementation of a universal controller working under the MCX-16 real-time kernel  

E-Print Network [OSTI]

In this thesis, the design of a universal controller is introduced. The controller has a 16-bit processor, four A/D channels and two D/A channels. It can run a control program up to 64K byte long. The real-time kernel, MCX-16, is selected...

Xue, Yuannong

2012-06-07T23:59:59.000Z

430

The Design and Performance of the jRate Real-Time Java Implementation  

Science Journals Connector (OSTI)

Over 90 percent of all microprocessors are now used for real-time and embedded applications. Since the behavior of these applications is often constrained by the physical world, it is important to devise higher-level programming languages and middleware ...

Angelo Corsaro; Douglas C. Schmidt

2002-10-01T23:59:59.000Z

431

Improving a robotics framework with real-time and high-performance features  

Science Journals Connector (OSTI)

Middleware has a key role in modern and object-oriented robotics frameworks, which aim at developing reusable, scalable and maintainable systems using different platforms and programming languages. However, complex robotics software falls into the category ... Keywords: data distribution service, middleware, performance, real-time, robotics

Jesús Martínez; Adrián Romero-Garcés; Luis Manso; Pablo Bustos

2010-11-01T23:59:59.000Z

432

Real-time feedback-controlled robotic fish for behavioral experiments with fish schools  

E-Print Network [OSTI]

1 Real-time feedback-controlled robotic fish for behavioral experiments with fish schools Daniel T- gations of collective animal behavior. In the case of fish schooling, new insights into processes such as collective decision making and leadership have been made in recent experiments in which live fish were

Leonard, Naomi

433

Spectrum sensing improvement in cognitive radio networks for real-time patients monitoring  

E-Print Network [OSTI]

Spectrum sensing improvement in cognitive radio networks for real-time patients monitoring Dramane-bands to perform their transmission any- time and anywhere. Cognitive radio, although appropriate technology. Key words: Cognitive radio networks, e-health, patients monitoring, connectivity, Grey Model, Machine

Paris-Sud XI, Université de

434

Real-Time PCR in Clinical Microbiology: Applications for Routine Laboratory Testing  

Science Journals Connector (OSTI)

...place, quality control monitoring is...to justify the capital investment that...addition to the cost for equipment...Instrumentation The cost for reagents...and negative controls) may vary according...Significant capital outlay for purchase...Frequently, the cost for real-time...

M. J. Espy; J. R. Uhl; L. M. Sloan; S. P. Buckwalter; M. F. Jones; E. A. Vetter; J. D. C. Yao; N. L. Wengenack; J. E. Rosenblatt; F. R. Cockerill III; T. F. Smith

2006-01-01T23:59:59.000Z

435

Real time MHD mode control using ECCD in KSTAR: Plan and requirements  

SciTech Connect (OSTI)

For a high-performance, advanced tokamak mode in KSTAR, we have been developing a real-time control system of MHD modes such as sawtooth and Neo-classical Tearing Mode (NTM) by ECH/ECCD. The active feedback control loop will be also added to the mirror position and the real-time detection of the mode position. In this year, for the stabilization of NTM that is crucial to plasma performance we have implemented open-loop ECH antenna control system in KSTAR Plasma Control System (PCS) for ECH mirror movement during a single plasma discharge. KSTAR 170 GHz ECH launcher which was designed and fabricated by collaboration with PPPL and POSTECH has a final mirror of a poloidally and toroidally steerable mirror. The poloidal steering motion is only controlled in the real-time NTM control system and its maximum steering speed is 10 degree/sec by DC motor. However, the latency of the mirror control system and the return period of ECH antenna mirror angle are not fast because the existing launcher mirror control system is based on PLC which is connected to the KSTAR machine network through serial to LAN converter. In this paper, we present the design of real time NTM control system, ECH requirements, and the upgrade plan.

Joung, M.; Woo, M. H.; Jeong, J. H.; Hahn, S. H.; Yun, S. W.; Lee, W. R.; Bae, Y. S.; Oh, Y. K.; Kwak, J. G.; Yang, H. L. [National Fusion Research Institute, 52 Eoeun-dong, Yuseong-gu, Daejeon (Korea, Republic of); Namkung, W.; Park, H.; Cho, M. H. [Department of Physics, POSTECH, Hyoja-dong, Nam-gu, Pohang, Gyeongangbuk-do (Korea, Republic of); Kim, M. H.; Kim, K. J.; Na, Y. S. [Department of Nuclear Engineering, Seoul National University, Daehak-dong, Gwanak-gu, Seoul (Korea, Republic of); Hosea, J.; Ellis, R. [Princeton Plasma Physics Laboratory, Princeton (United States)

2014-02-12T23:59:59.000Z

436

REAL-TIME DISPATCHING OF GUIDED AND UNGUIDED AUTOMOBILE SERVICE UNITS WITH SOFT TIME WINDOWS  

E-Print Network [OSTI]

REAL-TIME DISPATCHING OF GUIDED AND UNGUIDED AUTOMOBILE SERVICE UNITS WITH SOFT TIME WINDOWS SVEN O that are no worse than 1% from optimum on state-of-the-art personal computers. 1. INTRODUCTION The German Automobile Association ADAC (Allgemeiner Deutscher Automobil- Club), the second largest automobile club worldwide

Krumke, Sven O.

437

Hybrid Face Recognition Based on Real-Time Multi-camera Stereo-Matching  

Science Journals Connector (OSTI)

Multi-camera systems and GPU-based stereo-matching methods allow for a real-time 3d reconstruction of faces. We use the data generated by such a 3d reconstruction for a hybrid face recognition system based on ...

J. Hensler; K. Denker; M. Franz; G. Umlauf

2011-01-01T23:59:59.000Z

438

Modeling Massive Amount of Experimental Data with Large Random Matrices in a Real-Time  

E-Print Network [OSTI]

of the (random) data matrix. In [1], the idea of modeling Big Data with (large) random matrices was proposed in the framework of Big Data. These series works [1]­[3] clearly articulated the ideas and treated the necessary1 Modeling Massive Amount of Experimental Data with Large Random Matrices in a Real-Time UWB

Qiu, Robert Caiming

439

Experimental demonstration of optical real-time data compressiona) Mohammad H. Asghari1,b)  

E-Print Network [OSTI]

conventional dispersive Fourier transform. Dispersive data compression addresses the big data problem in real below the Nyquist rate are oversampled creating a "big data" problem in real-time instruments generate mas- sive amounts of data (as high as 1 Tbit/s) creating a severe big data problem in detection

Jalali. Bahram

440

Energy-Efficient Soft Real-Time CPU Scheduling for Mobile Multimedia Systems  

E-Print Network [OSTI]

, Urbana, IL 61801, USA {wyuan1, klara}@cs.uiuc.edu ABSTRACT This paper presents GRACE-OS, an energy modes, trading off performance for energy. For example, mobile processors on the market todayEnergy-Efficient Soft Real-Time CPU Scheduling for Mobile Multimedia Systems Wanghong Yuan, Klara

Adve, Sarita

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Local Flaps: A Real-Time Finite Element Based Solution to the Plastic Surgery  

E-Print Network [OSTI]

Local Flaps: A Real-Time Finite Element Based Solution to the Plastic Surgery Defect Puzzle fundamental challenges in plastic surgery is the alter- ation of the geometry and topology of the skin for the patient after the procedure is completed. The plastic surgeon must look at the defect created

Liblit, Ben

442

Flow visualization of molten alloys using real-time neutron radiography  

E-Print Network [OSTI]

The objective of this research is to visualize the flow of molten alloys using real-time neutron radiography. Initial experiments were performed using solder (50% tin, 50% lead), with nickel tracer particles, heated in a furnace to its liquid state...

Bennett, Tami Norene

2012-06-07T23:59:59.000Z

443

The BEST Desktop Soft Real-Time Scheduler Scott A. Banachowski and Scott A. Brandt  

E-Print Network [OSTI]

The BEST Desktop Soft Real-Time Scheduler Scott A. Banachowski and Scott A. Brandt University of California, Santa Cruz E-mail: sbanacho,sbrandt¡ @cse.ucsc.edu Abstract Best-effort CPU scheduling- effort scheduler that handles CPU-intensive, I/O-intensive, and periodic SRT processes using a single

Miller, Ethan L.

444

The BEST Desktop Soft Real-Time Scheduler Scott A. Banachowski and Scott A. Brandt  

E-Print Network [OSTI]

results, i.e. priority boosts should be based on rate or deadline requirements. ¯ Increasing the loadThe BEST Desktop Soft Real-Time Scheduler Scott A. Banachowski and Scott A. Brandt University-effort scheduler that handles CPU-intensive, I/O-intensive, and periodic SRT processes using a single scheduling

Brandt, Scott A.

445

Real-Time Fluorogenic Reverse Transcription-PCR Assays for Detection of Bacteriophage MS2  

Science Journals Connector (OSTI)

...benchwork such as the engineering of particle collectors and fluidics systems, the development...real-time fluorogenic RT-PCR. Thick horizontal lines represent the threshold (t) for...Development and evaluation of a reflective solar disinfection pouch for treatment of drinking...

Kevin P. O'Connell; Jennifer R. Bucher; Patricia E. Anderson; Cheng J. Cao; Akbar S. Khan; Mark V. Gostomski; James J. Valdes

2006-01-01T23:59:59.000Z

446

Nonlinear control for systems with bounded inputs: Real-time embedded control applied to UAVs  

E-Print Network [OSTI]

Nonlinear control for systems with bounded inputs: Real-time embedded control applied to UAVs Farid) UAVs including conventional helicopters, four- rotors aircraft (Draganflyer) and several designs for small aerial vehicles, some restrictions and conditions specific to small UAVs have to be considered

Sontag, Eduardo

447

Flight Testing a Real Time Implementation of a UAV Path Planner Using Direct Collocation  

E-Print Network [OSTI]

Flight Testing a Real Time Implementation of a UAV Path Planner Using Direct Collocation Brian R by tracking a second UAV flying a predefined pattern. Finally, a method of commanding the observation vector ^s UAV sensor line of sight unit vector p Attraction point u UAV Control vector xt Target state

448

Acoustic Performance of an Installed Real-Time Three-Dimensional Audio System  

Science Journals Connector (OSTI)

The Exterior Effects Room (EER) located at the NASA Langley Research Center is a facility built for psychoacoustic studies of aircraft community noise. Recently the EER was significantly upgraded to allow for simulation of aircraft flyovers in a three-dimensional audio and visual environment. The upgrade included installation of 27 satellite and 4 subwoofer loudspeakers that are driven by a real-time audio server. The audio server employs an implementation of the Vector Base Amplitude Panning (VBAP) method to position virtual sources at arbitrary azimuth and elevation angles in the EER. Real-time application of filters time delays and gains are required to compensate for installation effects including those associated with the irregular room geometry colorization due to varying loudspeaker installations and crossover filtering. The authors previously showed [J. Acoust. Soc. Am. 127 1969 (2010)] that color compensation and crossover filtering could be achieved for satellite and subwoofer loudspeakers. However the resulting FIR filters were too long (32 768 taps) to implement in real-time. The focus of this work is on development of reduced-length surrogate IIR filters and on measurement of the acoustic performance of the installed real-time system.

Kenneth Faller II; Stephen A. Rizzi; Noah Schiller; Randolph Cabell; Jacob Klos; William L. Chapin; Aric R. Aumann

2012-01-01T23:59:59.000Z

449

Acoustic performance of an installed real?time three?dimensional audio system.  

Science Journals Connector (OSTI)

The Exterior Effects Room (EER) located at the NASA Langley Research Center is a facility built for psychoacoustic studies of aircraft community noise. Recently the EER was significantly upgraded to allow for simulation of aircraft flyovers in a 3?D audio and visual environment. The upgrade included installation of 27 satellite and 4 subwooferloudspeakers that are driven by a real?time audio server. The audio server employs an implementation of the vector base amplitude panning method to position virtual sources at arbitrary azimuth and elevation angles in the EER. Real?time application of filters time delays and gains are required to compensate for installation effects including those associated with the irregular room geometry colorization due to varying loudspeaker installations and crossover filtering. The authors previously showed [J. Acoust. Soc. Am. 127 1969 (2010)] that color compensation and crossover filtering could be achieved for satellite and subwooferloudspeakers. However the resulting FIR filters were too long (32?768 taps) to implement in real?time. The focus of this work is on the development of reduced?length surrogate IIR filters and on the measurement of the acoustic performance of the installed real?time system.?

Kenneth J. Faller II; Stephen A. Rizzi; Noah Schiller; Randolph H. Cabell; Jacob Klos; William L. Chapin; Fahri Surucu

2010-01-01T23:59:59.000Z

450

Real-Time Frame-Dependent Watermarking in MPEG-2 Video  

E-Print Network [OSTI]

Real-Time Frame-Dependent Watermarking in MPEG-2 Video Chun-Shien Lu ?, Jan-Ru Chen y, and Kuo data. In particular, video watermarking deals with several issues that are unique to various types-time detection, bit-rate control, and resistance to watermark estimation attacks, will be addressed. Since video

Chen, Sheng-Wei

451

Real-time processing of a long perimeter fiber optic intrusion system  

E-Print Network [OSTI]

This thesis reports on recent advances made in real-time intruder detection for an intrusion system developed at Texas A&M University that utilizes a phase-sensitive optical time-domain reflectometer. The system uses light pulses from a highly...

Snider, William Timothy

2009-09-30T23:59:59.000Z

452

Tailoring real-time physical activity coaching systems: a literature survey and model  

Science Journals Connector (OSTI)

Technology mediated healthcare services designed to stimulate patients' self-efficacy are widely regarded as a promising paradigm to reduce the burden on the healthcare system. The promotion of healthy, active living is a topic of growing interest in ... Keywords: Personalization, Physical activity, Real time coaching, Tailoring, Telemedicine, eHealth

Harm Akker, Valerie M. Jones, Hermie J. Hermens

2014-12-01T23:59:59.000Z

453

Automatic Page Turning for Musicians via Real-Time Machine Listening  

E-Print Network [OSTI]

Automatic Page Turning for Musicians via Real-Time Machine Listening Andreas Arzt(1), Gerhard.qidenus.com) has developed an electro-mechanical device that actually turns the pages of books, music scores, etc. via two physical `fingers' (see Fig. 5, center). The device is operated by the musician via a foot

Widmer, Gerhard

454

Energy Aware Non-preemptive Scheduling for Hard Real-Time Ravindra Jejurikar Rajesh K. Gupta  

E-Print Network [OSTI]

. . . . . . 11 4 Energy comparison of the static slowdown algorithms as a function of the task gain factor GfEnergy Aware Non-preemptive Scheduling for Hard Real-Time Systems Ravindra Jejurikar Rajesh K the ability to perform an energy-delay tradeoff in the computation and communications subsystems. Slowdown

Gupta, Rajesh

455

Real-time Optimal Trajectory Planning for Robotic Manipulators with Functional Redundancy  

E-Print Network [OSTI]

Real-time Optimal Trajectory Planning for Robotic Manipulators with Functional Redundancy P a small orientation error in the specifications of the end effector orien- tation for spray paint. Another example is the end effector of a robotic manipulator where an orientation error is allowed

Gravdahl, Jan Tommy

456

Optimizing the CORBA Component Model for High-performance and Real-time Applications  

E-Print Network [OSTI]

Science, Washington University Electrical and Computer Engineering Dept. St. Louis, MO 63130, USA 2000 Conference, IFIP/ACM, Palisades, New York, April 3-7, 2000. Abstract With the recent adoption recently, however, there were no CORBA ORBs that targeted high-performance and real-time systems, which

Schmidt, Douglas C.

457

Speci cation and Analysis of Real-Time Systems in Statecharts  

E-Print Network [OSTI]

,hshongg@salmosa.kaist.ac.kr Abstract Increased use of software in controlling safety-critical systems pro- duced an urgent need;1 Introduction Software controlling safety-critical real-time systems has already become a part of our society on software to control the amount of radiation to deliver for cancer therapy and to monitor various vital

458

A Library of SIMULINK Blocks for Real-Time Control of HEV Traction John Chiasson1  

E-Print Network [OSTI]

algorithms for the various types of motor drives considered for hybrid electric vehicles (HEVs algorithms for the various types of motor drives considered for hybrid electric vehicles (HEVs02FCC-30 A Library of SIMULINK Blocks for Real-Time Control of HEV Traction Drives John Chiasson1

Tolbert, Leon M.

459

A Simulation Tool for Real-time Systems using Environmental Energy Harvesting Maryline CHETTO  

E-Print Network [OSTI]

, the system operates in a so-called energy neutral mode by consuming only as much energy as harvested. The simulator enables to construct an optimal schedule for any task set, battery capacity and energy sourceA Simulation Tool for Real-time Systems using Environmental Energy Harvesting Maryline CHETTO

Paris-Sud XI, Université de

460

U-Boot Standalone Application (Exports) API 18349 Embedded Real-Time Systems  

E-Print Network [OSTI]

U-Boot Standalone Application (Exports) API 18­349 Embedded Real-Time Systems 1 Introduction This document contains details on the U-Boot 1.1.4 Exports API used by standalone applications. Most of the details of this document were derived from reading the U-Boot source code relevant to the gum- stix

Narasimhan, Priya

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Real-Time Dynamic Brake Assessment Conduct a proof-of-concept  

E-Print Network [OSTI]

Real-Time Dynamic Brake Assessment Purpose Conduct a proof-of-concept test to examine the Federal Motor Carrier Safety Administration's Vehicle and Roadside Operations Division Concept stemming conducted for the National Highway Transportation Safety Administration. Signals to be collected Real

462

Sensor applications have now touched onto the realms of real-time data processing involving  

E-Print Network [OSTI]

sensing needs, coupled with an interface integrating up to gigabyte scale energy efficient data storage sound / voice samples. Such applications demand real time storage, filtering, frequency domain analysis involving algorithms as sophisticated as Fast Fourier Transform (FFT), Finite Impulse Response (FIR

Najjar, Walid A.

463

Periodic Charging Scheme for Fixed-Priority Real-Time Systems with Renewable Energy  

E-Print Network [OSTI]

to the limited capacity of the energy storage unit. With energy harvesting, in theory it becomes possiblePeriodic Charging Scheme for Fixed-Priority Real-Time Systems with Renewable Energy Mario Bambagini, Fairfax, VA, USA e-mail: aydin@cs.gmu.edu Abstract--Energy harvesting systems are gaining increasing

Aydin, Hakan

464

Real-Time Welfare-Maximizing Regulation Allocation in Dynamic Aggregator-EVs System  

E-Print Network [OSTI]

external energy sources for the aggregator. The algorithm operates in real time and does not require any prevalent in the near future. For example, from one report of the U.S. department of energy [1 of transportation, EVs can also be used as distributed electricity generation/storage devices when plugged-in [2

Liang, Ben

465

A RECOGNITION SYSTEM THAT USES SACCADES TO DETECT CARS FROM REAL-TIME VIDEO STREAMS  

E-Print Network [OSTI]

for vehicle detection [3, 4], our approach does not rely on motion information, and the system can detect bothA RECOGNITION SYSTEM THAT USES SACCADES TO DETECT CARS FROM REAL-TIME VIDEO STREAMS Predrag ABSTRACT In this work we present a system for detection of ob- jects from video streams based on properties

466

A real-time computer vision system for vehicle tracking and trac surveillance  

E-Print Network [OSTI]

conditions. We are developing a feature-based tracking system for detecting vehicles under these challengingA real-time computer vision system for vehicle tracking and trac surveillance Benjamin Coifmana and problems associated with existing detectors have spawned an interest in new vehicle detection technologies

Malik, Jitendra

467

IVSS-2005-ARC-04 Intelligent Vehicle Based Architecture for Real-Time Monitoring  

E-Print Network [OSTI]

in cars for various other applications like inertial guidance systems, and crash detection for air- bag. 59 #12;ACOUSTIC WAVES OF RESPIRATORY SYSTEM DETECTING SENSOR A number of statistical measuresIVSS-2005-ARC-04 Intelligent Vehicle Based Architecture for Real-Time Monitoring of Soldiers

Mahmud, Syed Masud

468

Using Transient Electrical Measurements for Real-Time Monitoring of Battery State-of-Charge  

E-Print Network [OSTI]

system. I. INTRODUCTION Future energy-storage systems are likely to use lithium- ion batteries because regulate efficiency and power availability in battery-based systems, it is important to have a robust realUsing Transient Electrical Measurements for Real-Time Monitoring of Battery State

Nasipuri, Asis

469

Integrating Preemption Threshold Scheduling and Dynamic Voltage Scaling for Energy Efficient Real-Time  

E-Print Network [OSTI]

scheduling (PTS) enables designing scalable real-time systems. PTS not only decreases the run-time overhead by the Earliest Dead- line First (EDF) policy. We present an algorithm to compute threshold preemption levels- tion is an important aspect of embedded systems design. Generally speaking, the pro- cessor consumes

Gupta, Rajesh

470

Utility Accrual Real-Time Scheduling with Probabilistically Assured Timeliness Performance  

E-Print Network [OSTI]

is a generalization of the classical dead- line constraint, specifies the utility of completing an ap- plicationUtility Accrual Real-Time Scheduling with Probabilistically Assured Timeliness Performance Peng Li Jensen The MITRE Corporation Bedford, MA 01730, USA jensen@mitre.org Abstract We present time/utility

Ravindran, Binoy

471

Energy Aware Dynamic Voltage and Frequency Selection for Real-Time Systems with Energy Harvesting  

E-Print Network [OSTI]

Energy Aware Dynamic Voltage and Frequency Selection for Real-Time Systems with Energy Harvesting}@binghamton.edu Abstract In this paper, an energy aware dynamic voltage and frequency selection (EA-DVFS) algorithm energy and the harvested energy in a future duration. Specifically, if the system has sufficient energy

Qiu, Qinru

472

OSCAR Parallelizing Compiler and API for Real-time Low Power Heterogeneous Multicores  

E-Print Network [OSTI]

OSCAR Parallelizing Compiler and API for Real-time Low Power Heterogeneous Multicores Akihiro and OSCAR API. OSCAR com- piler and OSCAR API realize coarse grain task parallel processing, data transfer. The compiler using the OSCAR API gives us speedups up to 32x for an optical flow program with 8 general purpose

Kasahara, Hironori

473

Schedulability Analysis for Fixed Priority Real-Time Systems with Energy-Harvesting  

E-Print Network [OSTI]

and stored in the battery. Sources of energy include ambient vibrations (piezoelectric effect), thermal unit or battery. The set of real-time tasks is decomposed into two different types of task depending harvesting, the energy needed for task execution is supplied by the storage unit (i.e. a battery or capacitor

Paris-Sud XI, Université de

474

REAL-TIME, WEB BASED ENERGY MONITORING SYSTEM FOR A SOLAR ACADEMIC BUILDING John H. Scofield  

E-Print Network [OSTI]

REAL-TIME, WEB BASED ENERGY MONITORING SYSTEM FOR A SOLAR ACADEMIC BUILDING John H. Scofield-time data on the world-wide-web from 14 sensors that monitor various aspects of energy flows to and from Field Station incorporates passive solar cooling and active solar heating, maximizes ergonomic

Scofield, John H.

475

Towards Real-Time and Memory Efficient Predictions of Valve States in Diesel Engines  

E-Print Network [OSTI]

Towards Real-Time and Memory Efficient Predictions of Valve States in Diesel Engines Philippe Komma phase complexity while retaining good generalization performance. I. INTRODUCTION In automotive engines T¨ubingen, Germany {philippe.komma, andreas.zell}@uni-tuebingen.de system for a diesel engine

Zell, Andreas

476

Real-time data transfer to 3D model—maximizing wellbore value  

Science Journals Connector (OSTI)

...this point, the geosteering team expected changes in log characteristics and signs of greater apparent dip angle. Real-time data...earth model and correlations on a Web-based page. This Intranet page could be accessed by any team member connected to the...

Hugh Nicholson; Per Gunnar Folstad; Terje A. Pedersen

477

Generation of communication schedules for multi-mode distributed real-time applications  

Science Journals Connector (OSTI)

A key problem in designing multi-mode real-time systems is the generation of schedules to reduce the complexities of transforming the model semantics to code. Moreover, distributed multi-mode applications are prone to suffer from delays incurred during ...

Akramul Azim; Gonzalo Carvajal; Rodolfo Pellizzoni; Sebastian Fischmeister

2014-03-01T23:59:59.000Z

478

Framework of Real-Time Optical Nyquist-WDM Receiver using Matlab & Simulink  

E-Print Network [OSTI]

________________________________ Dr. Erik Perrins Date Defended: June 3, 2013 2 The Thesis Committee for Adam Crifasi certifies that this is the approved version of the following thesis: Framework of Real-Time Optical Nyquist-WDM Receiver using Matlab... & Simulink ________________________________ Chairperson Dr. Rongqing Hui Date approved: June 3, 2013 3 I investigate an optical Nyquist-WDM Bit Error Rate (BER) detection system. A transmitter...

Crifasi, Adam Vincenzo

2013-08-31T23:59:59.000Z

479

Real-Time Detection of Invisible Spreaders MyungKeun Yoon Shigang Chen  

E-Print Network [OSTI]

Real-Time Detection of Invisible Spreaders MyungKeun Yoon Shigang Chen Department of Computer spreaders that are invisible to the current systems. The new scheme stores information about normal traffic' information stored elsewhere in the memory. The proposed scheme is light weight; it can detect invisible

Chen, Shigang

480

Design of a Host Traffic Management system for Hard Real Time networks  

E-Print Network [OSTI]

A Hard Real Time (HRT) system is one whose correct functioning is based on the concepts of timely and correct delivery. By timely delivery, we imply that if a message is dispatched by a sender application it should be delivered at a receiver...

Krishna Moorthy, Jayasankar

1997-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "real-time grid reliability" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Performance Tests of a 12-Channel Real-Time GPS L1 Software Receiver  

E-Print Network [OSTI]

Geospace Mission Definition Team. ABSTRACT A 12-channel real-time GPS software receiver has been tested code (MMX). This upgrade provides a 25% increases in processing speed. Another aspect that is discussed is the use of 1-bit RF front end data and the related speed- up. The software receiver is tested under static

Psiaki, Mark L.

482

AN OPERATOR EXPERIENCE WITH A HIERARCHICAL REAL-TIME CONTROL SYSTEM (RCS)  

E-Print Network [OSTI]

AN OPERATOR EXPERIENCE WITH A HIERARCHICAL REAL-TIME CONTROL SYSTEM (RCS) Hui-Min Huang Mechanical@cme.nist.gov ABSTRACT The issue of operator interface in the RCS hierarchical control systems is the focus operators to be involved in system operations in different degrees. In some situations, the operators

483

PulsewidthModulationBased on Real-TimeSolution of Algebraic Harmonic EliminationEquations  

E-Print Network [OSTI]

. Grotstollen Institute for Power Electronics and Electrical Drives,University of Paderbom, Warburger Str. 100 -Determinationof pulse patterns for the eliminationof some low-order harmonics of a PWM inverter necessitates-consumingwhen the equationsare to be solvedin real-time,even when a digitalsignal processor (DSP)is used [14]. A new systemof

Paderborn, Universität

484

Outage Detection via Real-time Social Stream Analysis: Leveraging the Power of Online Complaints  

E-Print Network [OSTI]

disruptions. Each is described below with their ac- companying defects. Internal monitoring systems. NetflixOutage Detection via Real-time Social Stream Analysis: Leveraging the Power of Online Complaints documents the design and development of an outage detection system for the online services provided

Dekhtyar, Alexander

485

EDF Option for Scheduling Real-Time Jobs in Energy Harvesting Systems  

E-Print Network [OSTI]

EDF Option for Scheduling Real-Time Jobs in Energy Harvesting Systems Maryline CHETTO IRCCy of devising algorithms for scheduling time critical jobs on a single processor computing system with no energy approach for scheduling independent jobs preemptively when there is no energy limitation and no processing

Boyer, Edmond

486

Real-Time Detection of Packet Drop Attacks on Synchrophasor Data  

E-Print Network [OSTI]

, NY, 12180 Abstract--The importance of phasor measurement unit (PMU) or synchrophasor data towardsReal-Time Detection of Packet Drop Attacks on Synchrophasor Data Seemita Pal, Biplab Sikdar and Joe attack, where the adversary arbitrarily drops packets with synchrophasor data. This paper develops a real

Sikdar, Biplab

487

Real-time formalism for studying the nonlinear response of "smart" materials to an electric field  

E-Print Network [OSTI]

Real-time formalism for studying the nonlinear response of "smart" materials to an electric field J developed for so-called "smart" materials that are tuned to lie close to the metal- insulator transition (RSFQ) ideas [3]. A "smart" material is a mate- rial that can have its properties altered by changing

Freericks, Jim

488

Preprint No. 4825 A Real Time DSP Kernel for Concurrent Audio Tasks  

E-Print Network [OSTI]

Preprint No. 4825 A Real Time DSP Kernel for Concurrent Audio Tasks David Reinhardt and Robert C audio tasks, but this poses a variety of practical problems. In this paper the features of general-purpose operating systems are contrasted with the needs of typical audio DSP processes, andthe architecture

Maher, Robert C.

489

DSS-mediated Inhibition of Quantitative Real-time Polymerase Chain Reaction  

E-Print Network [OSTI]

........................................................................................................3 2 Real-Time PCR Graph ...........................................................................................4 3 Fecal Sample Collection Timeline .........................................................................6 4 Purification... 280 ratio between 1.8-1.9 indicates highly purified DNA; whereas, a ratio less than 1.8 indicates protein contamination (2). Unfortunately, co-purification of acidified polysaccharides, such as DSS cannot be detected using a spectrophotometrically...

Kaur, Jaspreet

2011-08-04T23:59:59.000Z

490

ARPA-E: Advancing the Electric Grid  

ScienceCinema (OSTI)

The electric grid was designed with the assumption that all energy generation sources would be relatively controllable, and grid operators would always be able to predict when and where those sources would be located. With the addition of renewable energy sources like wind and solar, which can be installed faster than traditional generation technologies, this is no longer the case. Furthermore, the fact that renewable energy sources are imperfectly predictable means that the grid has to adapt in real-time to changing patterns of power flow. We need a dynamic grid that is far more flexible. This video highlights three ARPA-E-funded approaches to improving the grid's flexibility: topology control software from Boston University that optimizes power flow, gas tube switches from General Electric that provide efficient power conversion, and flow batteries from Harvard University that offer grid-scale energy storage.

Lemmon, John; Ruiz, Pablo; Sommerer, Tim; Aziz, Michael

2014-03-13T23:59:59.000Z

491

ARPA-E: Advancing the Electric Grid  

SciTech Connect (OSTI)

The electric grid was designed with the assumption that all energy generation sources would be relatively controllable, and grid operators would always be able to predict when and where those sources would be located. With the addition of renewable energy sources like wind and solar, which can be installed faster than traditional generation technologies, this is no longer the case. Furthermore, the fact that renewable energy sources are imperfectly predictable means that the grid has to adapt in real-time to changing patterns of power flow. We need a dynamic grid that is far more flexible. This video highlights three ARPA-E-funded approaches to improving the grid's flexibility: topology control software from Boston University that optimizes power flow, gas tube switches from General Electric that provide efficient power conversion, and flow batteries from Harvard University that offer grid-scale energy storage.

Lemmon, John; Ruiz, Pablo; Sommerer, Tim; Aziz, Michael

2014-02-24T23:59:59.000Z

492

Principal Characteristics of a Modern Grid  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Modern Grid Modern Grid Wisconsin Public Utility Institute and UW Energy Institute Joe Miller, Steve Pullins, Steve Bossart - Modern Grid Team April 29, 2008 1 Conducted by the National Energy Technology Laboratory Funded by the U.S. Department of Energy, Office of Electricity Delivery and Energy Reliability 2 Office of Electricity Delivery and Energy Reliability MODERN GRID S T R A T E G Y Today's Objectives To share our views on several Modern Grid concepts: What is the Modern Grid Strategy? What is the Modern (Smart) Grid? Why do we need to modernize? What are some of the benefits? What are some of the barriers? How do we achieve a Modern Grid? MODERN GRID S T R A T E G Y What is the Modern Grid Strategy? 4 Office of Electricity Delivery and Energy

493

Wetland Flow and Salinity Budgets and Elements of a Decision Support System toward Implementation of Real-Time Seasonal Wetland Salinity Management  

E-Print Network [OSTI]

real-­?time  water  quality  management.     Environmental  real-­?time  water  quality  management.     Environmental  Management  of  Water  Quality  in  the  San   Joaquin  River.    California  Environmental  

Quinn, N.W.T.

2013-01-01T23:59:59.000Z

494

Comments of North American Electric Reliability Corporation (NERC) to DOE  

Broader source: Energy.gov (indexed) [DOE]

North American Electric Reliability Corporation (NERC) North American Electric Reliability Corporation (NERC) to DOE Smart Grid RFI: Addressing Policy and Logistical Challenges Comments of North American Electric Reliability Corporation (NERC) to DOE Smart Grid RFI: Addressing Policy and Logistical Challenges Response to the Department of Energy's ("DOE") Request for Information (RFI) regarding the "Smart Grid RFI: Addressing Policy and Logistical Challenges." The North American Electric Reliability Corporation's ("NERC") Reliability Assessment and Performance Analysis Group ("RAPA") is currently developing a report, entitled "Reliability Consideration from Integration of Smart Grid" that will address many of the issues raised in the DOE RFI. North American Electric Reliability Corporation (NERC)

495

Demand Response-Enabled Model Predictive HVAC Load Control in Buildings using Real-Time Electricity Pricing.  

E-Print Network [OSTI]

??A practical cost and energy efficient model predictive control (MPC) strategy is proposed for HVAC load control under dynamic real-time electricity pricing. The MPC strategy… (more)

Avci, Mesut

2013-01-01T23:59:59.000Z

496

Principal Characteristics of a Modern Grid  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Joe Miller - Modern Grid Team Joe Miller - Modern Grid Team October 6, 2008 1 Conducted by the National Energy Technology Laboratory Funded by the U.S. Department of Energy, Office of Electricity Delivery and Energy Reliability Office of Electricity Delivery and Energy Reliability MODERN GRID S T R A T E G Y 2 Agenda The Smart Grid - a refresher "Push" drivers - a case for action "Pull" drivers - Smart Grid opportunities Some Smart Grid impacts Office of Electricity Delivery and Energy Reliability MODERN GRID S T R A T E G Y 3 What is the role of the MGS? Define a vision for the Modern Grid Reach out to stakeholders for input Assist in the identification of benefits and barriers Facilitate resolution of issues Promote testing of integrated suites of technologies

497

Storing Industry's Carbon Dioxide in Real Time | U.S. DOE Office of Science  

Office of Science (SC) Website

Storing Industry's Storing Industry's Carbon Dioxide in Real Time Laboratory Policy and Evaluation (LPE) LPE Home Staff M&O Contracts SC Laboratory Appraisal Process Laboratory Planning Process Work for Others in the Office of Science Laboratory Directed Research and Development (LDRD) DOE's Philosophy on LDRD Frequently Asked Questions Success Stories Brochures Additional Information LDRD Program Contacts Technology Transfer DOE National Laboratories Contact Information Laboratory Policy and Evaluation U.S. Department of Energy SC-32/Forrestal Building 1000 Independence Ave., SW Washington, DC 20585 P: (202) 586-5447 F: (202) 586-3119 Success Stories Storing Industry's Carbon Dioxide in Real Time Print Text Size: A A A RSS Feeds FeedbackShare Page PNNL researchers are developing new instruments that provide a first live

498

Real-Time Green--Making Urban Climate Protection Matter in a Recession  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Real-Time Green--Making Urban Climate Protection Matter in a Recession Real-Time Green--Making Urban Climate Protection Matter in a Recession Speaker(s): Scott Bernstein Date: September 16, 2011 - 11:30am Location: 90-3075 Seminar Host/Point of Contact: Mark Levine In the 1980s, the number of cities or regions that assembled an energy or carbon baseline could be counted on one hand; today that number is in the thousands. But much of the excitement about an aggressive approach to effective climate protection has been sobered by the economic situation. While a greener economy is necessary to a full recovery, maintaining commitments made while the larger economy was growing is difficult. Scott Bernstein of the Center for Neighborhood Technology, who was directly involved in the crafting of the Chicago Climate Action Plan, will present a

499

Indirect rotor position sensing in real time for brushless permanent magnet motor drives  

SciTech Connect (OSTI)

This paper describes a modern solution to real-time rotor position estimation of brushless permanent magnet (PM) motor drives. The position estimation scheme, based on flux linkage and line-current estimation, is implemented in real time by using the abc reference frame, and it is tested dynamically. The position estimation model of the test motor, development of hardware, and basic operation of the digital signal processor (DSP) are discussed. The overall position estimation strategy is accomplished with a fast DSP (TMS320C30). The method is a shaft position sensorless method that is applicable to a wide range of excitation types in brushless PM motors without any restriction on the motor model and the current excitation. Both rectangular and sinewave-excited brushless PM motor drives are examined, and the results are given to demonstrate the effectiveness of the method with dynamic loads in closed estimated position loop.

Ertugrul, N. [Univ. of Adelaide (Australia). Dept. of Electrical and Electronic Engineering] [Univ. of Adelaide (Australia). Dept. of Electrical and Electronic Engineering; Acarnley, P.P. [Univ. of Newcastle upon Tyne (United Kingdom). Dept. of Electrical and Electronic Engineering] [Univ. of Newcastle upon Tyne (United Kingdom). Dept. of Electrical and Electronic Engineering

1998-07-01T23:59:59.000Z

500

Comparative Studies of Clustering Techniques for Real-Time Dynamic Model Reduction  

E-Print Network [OSTI]

Dynamic model reduction in power systems is necessary for improving computational efficiency. Traditional model reduction using linearized models or offline analysis would not be adequate to capture power system dynamic behaviors, especially the new mix of intermittent generation and intelligent consumption makes the power system more dynamic and non-linear. Real-time dynamic model reduction emerges as an important need. This paper explores the use of clustering techniques to analyze real-time phasor measurements to determine generator groups and representative generators for dynamic model reduction. Two clustering techniques -- graph clustering and evolutionary clustering -- are studied in this paper. Various implementations of these techniques are compared and also compared with a previously developed Singular Value Decomposition (SVD)-based dynamic model reduction approach. Various methods exhibit different levels of accuracy when comparing the reduced model simulation against the original model. But some ...

Hogan, Emilie; Halappanavar, Mahantesh; Huang, Zhenyu; Lin, Guang; Lu, Shuai; Wang, Shaobu

2015-01-01T23:59:59.000Z