Sample records for hughes network systems

  1. Oscillations and Random Perturbations of a FitzHugh-Nagumo System

    E-Print Network [OSTI]

    Boyer, Edmond

    Oscillations and Random Perturbations of a FitzHugh-Nagumo System Catherine Doss Mich`ele Thieullen that it is possible to generate oscillations for values of pa- rameters which do not allow oscillations xt denotes the voltage or ac- tion potential of the membrane of a single neuron. It was first

  2. The Challenge of Greening Energy Systems1 Alain Joseph and Larry Hughes

    E-Print Network [OSTI]

    Hughes, Larry

    in the implementation of biomass, wind, and solar energy. Price and implementation challenges in the renewables sector of rising world energy prices and the potential `peaking' of liquid and gaseous fossil-fuel suppliesERG2006/11 The Challenge of Greening Energy Systems1 Alain Joseph and Larry Hughes Energy Research

  3. Joseph Hughes

    Broader source: Energy.gov [DOE]

    Joseph Hughes is a Project Officer with the U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy.

  4. Ciaran Hughes Internship Report Name: Ciaran Hughes

    E-Print Network [OSTI]

    Ciaran Hughes Internship Report Name: Ciaran Hughes Current Status: PhD student at DAMTP Website³ Supervisor: Professor David Wales Summary of Work: The diversification internships allow students internships administrative contacts, most applicants had their work plans organised before the time approached

  5. ENGINEERING HOWARD R. HUGHES

    E-Print Network [OSTI]

    Hemmers, Oliver

    ENGINEERING College of HOWARD R. HUGHES HigHligHts At the Howard R. Hughes College of Engineering is an integral part of engineering studies, we also provide students with a superb technical education and strong of Energy Solar Decathlon 2013. Engineering and architecture students will design then build and operate

  6. Multi-Agent Approach to Electrical Distribution Networks Control Sbastien Rumley*, Elvira Kgi*, Hugh Rudnick, Alain Germond*

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Católica de Chile)

    Multi-Agent Approach to Electrical Distribution Networks Control Sébastien Rumley*, Elvira Kägi distribution networks is proposed. Traditionally, the medium-voltage part of the electrical grid is operated the insertion of distributed generation in the energy distribution network. This paper presents one of them

  7. adaptive immune system: Topics by E-print Network

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

    Immune System: Purifying Selection in the innate immune system show similar patterns of evolution. We sequenced seven peptidoglycan recognition (Hughes and Nei 1988). The MHC...

  8. adaptive immune systems: Topics by E-print Network

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

    Immune System: Purifying Selection in the innate immune system show similar patterns of evolution. We sequenced seven peptidoglycan recognition (Hughes and Nei 1988). The MHC...

  9. Media Release Dr. Larry Hughes

    E-Print Network [OSTI]

    Hughes, Larry

    .22 percent rate increase in their Domestic Service Tariff. "Flat rates, such as NSPI's Domestic Service Tariff, have at least two shortcomings," says Hughes. "First, flat rates do little to encourage changes

  10. Complex Networked Control Systems

    E-Print Network [OSTI]

    buildings, modern control systems are increasingly incorporating communication networks in feedback loops [5Complex Networked Control Systems W e live and operate in a networked world. We drive to work on the performance of feedback control systems [5], [6]. Signifi- cant attention is focused on devising local

  11. Comments of Hughes Network Systems, LLC and Inmarsat Inc. | Department of

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 1112011AT&T, Inc.'sEnergyTexas1. FeedstockCLEANSpringsNational BroadbandCrow

  12. Hugh Rudnick California Crisis Influences

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Católica de Chile)

    is hydro, with combined cycle natural gas plants growing at a rapid pace. All country deregulation models in 1994, and the Central American countries in 1997. Brazil also joined the group, and Venezuela, MexicoHugh Rudnick California Crisis Influences Further Reforms in Latin America The electric energy

  13. Solar for Mining Hugh Rudnick

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Católica de Chile)

    Solar for Mining Hugh Rudnick Professor Pontificia Universidad Católica de Chile #12;Solar Energy in Mining · Solar energy is becoming affordable · Attractive potential use for mining purposes · Must solve the storage requirement to increase its participation worldwide #12;Solar Energy in Mining · Electrical Energy

  14. Robustness of chimera states for coupled FitzHugh-Nagumo oscillators

    E-Print Network [OSTI]

    Iryna Omelchenko; Astero Provata; Johanne Hizanidis; Eckehard Schoell; Philipp Hoevel

    2014-11-20T23:59:59.000Z

    Chimera states are complex spatio-temporal patterns that consist of coexisting domains of spatially coherent and incoherent dynamics. This counterintuitive phenomenon was first observed in systems of identical oscillators with symmetric coupling topology. Can one overcome these limitations? To address this question, we discuss the robustness of chimera states in networks of FitzHugh-Nagumo oscillators. Considering networks of inhomogeneous elements with regular coupling topology, and networks of identical elements with irregular coupling topologies, we demonstrate that chimera states are robust with respect to these perturbations, and analyze their properties as the inhomogeneities increase. We find that modifications of coupling topologies cause qualitative changes of chimera states: additional random links induce a shift of the stability regions in the system parameter plane, gaps in the connectivity matrix result in a change of the multiplicity of incoherent regions of the chimera state, and hierarchical geometry in the connectivity matrix induces nested coherent and incoherent regions.

  15. Hugh Chen | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directed off Energy.gov.Energy02.pdf7 OPAM Flash2011-37EnergySubmit a Freedom of InformationHugh Chen

  16. Computer Systems and Network Manager

    E-Print Network [OSTI]

    Computer Systems and Network Manager Fort Collins, Colorado POSITION A Computers Systems activities. RESPONSIBILITIES The successful candidate will perform computer systems and network administration, including computer hardware, systems software, applications software, and all configurations

  17. Energy Security in Nova Scotia Larry Hughes

    E-Print Network [OSTI]

    Hughes, Larry

    to maintain energy security #12;Mr. Harper and his energy superpower · "...an ocean of oil soaked sand liesERG/200706 Energy Security in Nova Scotia Larry Hughes Energy Research Group Electrical to Café Canada, Mahone Bay 30 November 2007 #12;Energy security in Nova Scotia Larry Hughes, PhD Energy

  18. Spatially Discrete FitzHugh-Nagumo Equations

    E-Print Network [OSTI]

    Elmer, Christopher E.; Van Vleck, Erik

    2005-04-05T23:59:59.000Z

    We consider pulse and front solutions to a spatially discrete FitzHugh--Nagumo equation that contains terms to represent both depolarization and hyperpolarization of the nerve axon. We demonstrate a technique for deriving ...

  19. Langston Hughes Elementary School Renewable Energy

    E-Print Network [OSTI]

    energy efficiency and reduce school operating costs. Initial technical assistance included energy audits1 Langston Hughes Elementary School Reversed White Renewable Energy Energy Efficiency & Renewable Energy Energy Efficiency & Renewable Energy Building Energy-Efficient Schools in New Orleans Lessons

  20. Network Embedded Systems Sensor Networks

    E-Print Network [OSTI]

    Amir, Yair

    Battery Energy Reserve Manager = Bank Each task requests an account with conditions W ­ fraction Tracking 9 #12;Virtual Battery: An Energy Reserve Abstraction for Embedded Sensor Networks Qing Cao of real battery allocated N ­ number of energy installments L ­ expected lifetime of the task C

  1. 744 IEEE TRANSACTIONS ON POWER SYSTEMS, VOL. 24, NO. 2, MAY 2009 Large-Scale Distribution Planning--Part I

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Católica de Chile)

    744 IEEE TRANSACTIONS ON POWER SYSTEMS, VOL. 24, NO. 2, MAY 2009 Large-Scale Distribution Planning--Part I: Simultaneous Network and Transformer Optimization Alejandro Navarro, Member, IEEE, and Hugh-voltage distribution networks. Combined optimization of transformers and associated networks is per- formed

  2. Introduction to Fusion Energy Jerry Hughes

    E-Print Network [OSTI]

    Introduction to Fusion Energy Jerry Hughes IAP @ PSFC January 8, 2013 Acknowledgments: Catherine) a practical energy source on earth 2 mcE #12;Fusion is a form of nuclear energy · A huge amount of energy;Terrestrial energy sources have their origin in the nuclear fusion reactions of stars Supernova produces

  3. Aircraft System Identification Using Artificial Neural Networks

    E-Print Network [OSTI]

    Valasek, John

    Aircraft System Identification Using Artificial Neural Networks Kenton Kirkpatrick Jim May Jr. John Meeting January 9, 2013 Compos Volatus #12;Overview Motivation System Identification Artificial Neural Networks 2 Artificial Neural Networks ANNSID Conclusions and Open Challenges #12;Motivation 3 #12

  4. On Cyber Security for Networked Control Systems

    E-Print Network [OSTI]

    Amin, Saurabh

    2011-01-01T23:59:59.000Z

    Attacks Against Water SCADA Systems . . . . . . . . . .2 d (bottom) [simulated results]. . Gignac SCADA supervisoryGignac canal network and SCADA system . . . . . . . . .

  5. Quasiperiodic AlGaAs superlattices for neuromorphic networks and nonlinear control systems

    E-Print Network [OSTI]

    K. V. Malyshev

    2015-02-08T23:59:59.000Z

    The application of quasiperiodic AlGaAs superlattices as a nonlinear element of the FitzHugh-Nagumo neuromorphic network is proposed and theoretically investigated on the example of Fibonacci and figurate superlattices. The sequences of symbols for the figurate superlattices were produced by decomposition of the Fibonacci superlattices' symbolic sequences. A length of each segment of the decomposition was equal to the corresponding figurate number. It is shown that a nonlinear network based upon Fibonacci and figurate superlattices provides better parallel filtration of a half-tone picture than a network based upon traditional diodes which have cubic voltage-current characteristics. It was found that the figurate superlattice F011(1) as a nonlinear network's element provides the filtration error almost twice less than the conventional "cubic" diode. These advantages are explained by a wavelike shape of the decreasing part of the quasiperiodic superlattice's voltage-current characteristic, which leads to multistability of the network's cell. This multistability promises new interesting nonlinear dynamical phenomena. A variety of wavy forms of voltage-current characteristics opens up new interesting possibilities for quasiperiodic superlattices and especially for figurate superlattices in many areas - from nervous system modeling to nonlinear control systems development

  6. area network system: Topics by E-print Network

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

    of the experiment. The network management system is implemented based on a commercial SCADA system (PVSS II). We show here how a large scale network can be monitored and...

  7. Message from Hugh Montgomery: Call for FY16 LDRD Proposals |...

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

    Message from Hugh Montgomery: Call for FY16 LDRD Proposals An important element of Jefferson Lab's Strategic Plan is the implementation of a Laboratory Directed Research and...

  8. Photovoltaic Systems Interconnected onto Secondary Network Distribution Systems – Success Stories

    Broader source: Energy.gov [DOE]

    This report examines six case studies of photovoltaic (PV) systems integrated into secondary network systems. The six PV systems were chosen for evaluation because they are interconnected to secondary network systems located in four major Solar America Cities.

  9. The four `R's of energy security1 Larry Hughes

    E-Print Network [OSTI]

    Hughes, Larry

    ERG/200902 The four `R's of energy security1 Larry Hughes Energy Research Group Department://dx.doi.org/10.1016/j.enpol.2009.02.038 #12;The four `R's of energy security Larry Hughes Energy Research Group energy security to the lexicon has not provided any clarification. To assist in explaining some

  10. A review of "Peter the Great and the West: New Perspectives." by Lindsey Hughes, ed. 

    E-Print Network [OSTI]

    Cathy J. Potter

    2002-01-01T23:59:59.000Z

    - lication of Lindsey Hughes?s own important book, Russia in the Age of Peter the Great, as well as a collection sponsored by the School of Slavonic and East European Studies, Britain and Russia in the Age of Peter the Great: Historical Documents... made it possible for Russia to surmount a systemic crisis that had matured by the end of the seventeenth century. Andrei Medushevskii argues for the applica- tion of a comparative approach to the Petrine reforms and Russian modernization, again...

  11. Message from Hugh Montgomery: All Hands Meetings on February...

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

    Hugh Montgomery will conduct two all-hands meetings on Thursday, February 5, in the CEBAF Center auditorium for an update on safety, CEBAF commissioning activities and 12 GeV...

  12. La Revolucin del Shale Gas Profesor: Hugh Rudnick

    E-Print Network [OSTI]

    Rudnick, Hugh

    La Revolución del Shale Gas Mayo 2011 Profesor: Hugh Rudnick Profesional Externo: Verónica Cortés........................................................................................................................................ 6 ¿Qué es el Shale Gas...................................................................................................................................... 7 Shale Gas

  13. MELANIE HUGHES McDERMOTT mmcdermott@aesop.rutgers.edu

    E-Print Network [OSTI]

    MELANIE HUGHES McDERMOTT mmcdermott@aesop.rutgers.edu Department of Human Ecology Cook Office Fellowship and Baker-Bidwell Research Fellowship, University of California, Berkeley (1993-94). · Kappa Kappa

  14. World-Systems as Dynamic Networks

    E-Print Network [OSTI]

    White, Douglas R.

    World-Systems as Dynamic Networks Christopher Chase-Dunn Institute for Research on World-Systems on comparative world-systems for the workshop on `analyzing complex macrosystems as dynamic networks" at the Santa Fe Institute, April 29- 30, 2004. (8341 words) v. 4-22-04 1 #12;The comparative world-systems

  15. Photovoltaic Systems Interconnected onto Network Distribution Systems--Success Stories

    SciTech Connect (OSTI)

    Coddington, M.; Kroposki, B.; Basso, T.; Lynn, K.; Sammon, D.; Vaziri, M.; Yohn, T.

    2009-04-01T23:59:59.000Z

    This report examines six case studies of photovoltaic systems integrated into secondary network systems in four major U.S. Solar America cities.

  16. Towards a SOLAP-based public participation GIS Rosemarie McHugh a,b,*, Stephane Roche a

    E-Print Network [OSTI]

    management The concept of a public participation geographic information system (PPGIS) was developed the public in a more systematic way. On the other hand, to respond to these new constraintsTowards a SOLAP-based public participation GIS Rosemarie McHugh a,b,*, Ste´phane Roche a , Yvan Be

  17. WIRELESS SENSOR NETWORK BASED CONTROL SYSTEM CONCIDERING COMMUNICATION COST

    E-Print Network [OSTI]

    WIRELESS SENSOR NETWORK BASED CONTROL SYSTEM CONCIDERING COMMUNICATION COST Yutaka Iino* Takeshi for wireless sensor network based control system, minimizing communication energy consumption. Some control, wireless sensor network technology has been developed rapidly, and various applications to control system

  18. Introduction Operations Management of Blood Banking Systems Blood Banking Systems Network Design Supply Chain Network

    E-Print Network [OSTI]

    Nagurney, Anna

    Introduction Operations Management of Blood Banking Systems Blood Banking Systems Network Design Supply Chain Network Operations Management and Design of A Sustainable Blood Banking System Amir Masoumi of Massachusetts Amherst #12;Introduction Operations Management of Blood Banking Systems Blood Banking Systems

  19. An Integrated System Simulation Approach for Wireless Networked Control Systems

    E-Print Network [OSTI]

    Koutsoukos, Xenofon D.

    Vanderbilt University Nashville, TN, USA Abstract--Cyber-Physical Systems (CPS), such as networked control wireless networks. Accurate modeling of these communication networks is essential in the design and verification of CPS. Controller design needs to take into ac- count the wireless channel characteristics (e

  20. Glan Morfa Community Woodland Jeanette Mays, Collette Hughes, Peter Smith & Jimmy Walker (MRRA)

    E-Print Network [OSTI]

    Glan Morfa Community Woodland Jeanette Mays, Collette Hughes, Peter Smith & Jimmy Walker (MRRA & Jimmy Walker (MRRA) 01745 362459 marshcom@googlemail.com Marsh Road Residents Association, 33 Rhydwen Jeanette Mays, Collette Hughes, Peter Smith & Jimmy Walker (MRRA) 01745 362459 marshcom

  1. Neural network based system for equipment surveillance

    DOE Patents [OSTI]

    Vilim, Richard B. (Aurora, IL); Gross, Kenneth C. (Bolingbrook, IL); Wegerich, Stephan W. (Glendale Hts., IL)

    1998-01-01T23:59:59.000Z

    A method and system for performing surveillance of transient signals of an industrial device to ascertain the operating state. The method and system involves the steps of reading into a memory training data, determining neural network weighting values until achieving target outputs close to the neural network output. If the target outputs are inadequate, wavelet parameters are determined to yield neural network outputs close to the desired set of target outputs and then providing signals characteristic of an industrial process and comparing the neural network output to the industrial process signals to evaluate the operating state of the industrial process.

  2. Neural network based system for equipment surveillance

    DOE Patents [OSTI]

    Vilim, R.B.; Gross, K.C.; Wegerich, S.W.

    1998-04-28T23:59:59.000Z

    A method and system are disclosed for performing surveillance of transient signals of an industrial device to ascertain the operating state. The method and system involves the steps of reading into a memory training data, determining neural network weighting values until achieving target outputs close to the neural network output. If the target outputs are inadequate, wavelet parameters are determined to yield neural network outputs close to the desired set of target outputs and then providing signals characteristic of an industrial process and comparing the neural network output to the industrial process signals to evaluate the operating state of the industrial process. 33 figs.

  3. Computer System, Cluster, and Networking Summer Institute Program...

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

    System, Cluster, and Networking Summer Institute Program Description The Computer System, Cluster, and Networking Summer Institute (CSCNSI) is a focused technical enrichment...

  4. Hugh O'Neill | Photosynthetic Antenna Research Center

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh School football Highdefault SignInstitute Overview ofHugh O'Neill Hugh

  5. Solar energy and multi-storey residential buildings Larry Hughes and Tylor Wood

    E-Print Network [OSTI]

    Hughes, Larry

    ERG/200702 Solar energy and multi-storey residential buildings Larry Hughes and Tylor Wood Energy.hughes@dal.ca 26 March 2007 #12;Hughes and Wood: Solar energy and multi-storey residential buildings 1 Summary This report considers the limitations on solar energy in new, multi-storey residential buildings. In a time

  6. Chile post energas fsiles Hugh Rudnick Van De Wyngard

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Católica de Chile)

    2011 No a Chiloé (eólica, 112 MW) Julio 2011 También hay oposición a energías limpias #12;20 No en miChile post energías fósiles Hugh Rudnick Van De Wyngard Departamento de Ingeniería Eléctrica las energías fósiles. Las energías fósiles continuarán constituyendo por varias décadas una parte

  7. Increasing the robustness of networked systems

    E-Print Network [OSTI]

    Kandula, Srikanth

    2009-01-01T23:59:59.000Z

    What popular news do you recall about networked systems? You've probably heard about the several hour failure at Amazon's computing utility that knocked down many startups for several hours, or the attacks that forced the ...

  8. Network support for system initiated checkpoints

    SciTech Connect (OSTI)

    Chen, Dong; Heidelberger, Philip

    2013-01-29T23:59:59.000Z

    A system, method and computer program product for supporting system initiated checkpoints in parallel computing systems. The system and method generates selective control signals to perform checkpointing of system related data in presence of messaging activity associated with a user application running at the node. The checkpointing is initiated by the system such that checkpoint data of a plurality of network nodes may be obtained even in the presence of user applications running on highly parallel computers that include ongoing user messaging activity.

  9. NeuDetect: A Neural Network Data Mining Wireless Network Intrusion Detection System

    E-Print Network [OSTI]

    Ezeife, Christie

    NeuDetect: A Neural Network Data Mining Wireless Network Intrusion Detection System C.I. Ezeife wireless intrusion detection systems, this paper presents a method of applying artificial neural networks mining clas- sification technique to wireless network intrusion detection system. The proposed system

  10. Aircraft System Identification Using Artificial Neural Networks

    E-Print Network [OSTI]

    Valasek, John

    Aircraft System Identification Using Artificial Neural Networks Kenton Kirkpatrick , Jim May Jr linear system identification for aircraft using artificial neural net- works. The output of a linear the correct model. In this paper, a new method of system identification is proposed that uses artificial

  11. The APS control system network upgrade.

    SciTech Connect (OSTI)

    Sidorowicz, K. v.; Leibfritz, D.; McDowell, W. P.

    1999-10-22T23:59:59.000Z

    When it was installed,the Advanced Photon Source (APS) control system network was at the state-of-the-art. Different aspects of the system have been reported at previous meetings [1,2]. As loads on the controls network have increased due to newer and faster workstations and front-end computers, we have found performance of the system declining and have implemented an upgraded network. There have been dramatic advances in networking hardware in the last several years. The upgraded APS controls network replaces the original FDDI backbone and shared Ethernet hubs with redundant gigabit uplinks and fully switched 10/100 Ethernet switches with backplane fabrics in excess of 20 Gbits/s (Gbps). The central collapsed backbone FDDI concentrator has been replaced with a Gigabit Ethernet switch with greater than 30 Gbps backplane fabric. Full redundancy of the system has been maintained. This paper will discuss this upgrade and include performance data and performance comparisons with the original network.

  12. OPTIMAL CONTROL WITH PACKET DROPS IN NETWORKED CONTROL SYSTEMS

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    OPTIMAL CONTROL WITH PACKET DROPS IN NETWORKED CONTROL SYSTEMS Flavia Felicioni*, François Simonot optimization 1. INTRODUCTION1 With the progress of networking technology, more and more control systems are now: The stability and performance of a networked control system are strongly influenced by the network delay

  13. Networked control systems: a perspective from chaos

    E-Print Network [OSTI]

    Guofeng Zhang; Tongwen Chen

    2014-05-10T23:59:59.000Z

    In this paper, a nonlinear system aiming at reducing the signal transmission rate in a networked control system is constructed by adding nonlinear constraints to a linear feedback control system. Its stability is investigated in detail. It turns out that this nonlinear system exhibits very interesting dynamical behaviors: in addition to local stability, its trajectories may converge to a non-origin equilibrium or be periodic or just be oscillatory. Furthermore it exhibits sensitive dependence on initial conditions --- a sign of chaos. Complicated bifurcation phenomena are exhibited by this system. After that, control of the chaotic system is discussed. All these are studied under scalar cases in detail. Some difficulties involved in the study of this type of systems are analyzed. Finally an example is employed to reveal the effectiveness of the scheme in the framework of networked control systems.

  14. CSP 543: Multimedia Networking Atel Puri, Tsuhan Chen, Multimedia Systems, Standards, and Networks, ISBN 082479303X

    E-Print Network [OSTI]

    Heller, Barbara

    CSP 543: Multimedia Networking Texts Atel Puri, Tsuhan Chen, Multimedia Systems, Standards for multimedia networks. Topics covered include coding, compression, streaming, synchronization, QoS, and adaptation. Current tools for multimedia networking will be surveyed. Issues with multimedia application

  15. Composable system resources as an architecture for networked systems

    E-Print Network [OSTI]

    Chatterjee, Sandeep, 1973-

    2001-01-01T23:59:59.000Z

    (cont.) In this thesis, I describe an architecture for network devices that is based on using pluggable system resource modules that can be composed together to create a close-to-optimal platform for a particular application ...

  16. Instructions on using the security-emissions software Larry Hughes

    E-Print Network [OSTI]

    Hughes, Larry

    for explaining the energy security- greenhouse gas emissions graphs described in (Hughes and Sheth 2008 of the application's energy security, the level of greenhouse gas emissions, and the effort needed to improve energy/kWh PJ 4 Oil 690 178.3 5 Domestic coal 940 10.3 6 Imported coal 940 69.1 7 Natural gas 460 2.3 8 Hydro 16

  17. TRANSMISSION OPEN ACCESS IN CHILE Hugh Rudnick

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Católica de Chile)

    considered or are considering deregulating their electric power sectors to allow for competition among implemented in Chilean electric power systems, the incorporation of an open access scheme, the application conditions in interconnected power systems. One line of thinking has viewed the third party use

  18. Dynamical Analysis of a Networked Control System

    E-Print Network [OSTI]

    Guofeng Zhang; Guanrong Chen; Tongwen Chen; Maria D'Amico

    2014-05-18T23:59:59.000Z

    A new network data transmission strategy was proposed in Zhang \\& Chen [2005] (arXiv:1405.2404), where the resulting nonlinear system was analyzed and the effectiveness of the transmission strategy was demonstrated via simulations. In this paper, we further generalize the results of Zhang \\& Chen [2005] in the following ways: 1) Construct first-return maps of the nonlinear systems formulated in Zhang \\& Chen [2005] and derive several existence conditions of periodic orbits and study their properties. 2) Formulate the new system as a hybrid system, which will ease the succeeding analysis. 3) Prove that this type of hybrid systems is not structurally stable based on phase transition which can be applied to higher-dimensional cases effortlessly. 4) Simulate a higher-dimensional model with emphasis on their rich dynamics. 5) Study a class of continuous-time hybrid systems as the counterparts of the discrete-time systems discussed above. 6) Propose new controller design methods based on this network data transmission strategy to improve the performance of each individual system and the whole network. We hope that this research and the problems posed here will rouse interests of researchers in such fields as control, dynamical systems and numerical analysis.

  19. IEEE 342 Node Low Voltage Networked Test System

    SciTech Connect (OSTI)

    Schneider, Kevin P.; Phanivong, Phillippe K.; Lacroix, Jean-Sebastian

    2014-07-31T23:59:59.000Z

    The IEEE Distribution Test Feeders provide a benchmark for new algorithms to the distribution analyses community. The low voltage network test feeder represents a moderate size urban system that is unbalanced and highly networked. This is the first distribution test feeder developed by the IEEE that contains unbalanced networked components. The 342 node Low Voltage Networked Test System includes many elements that may be found in a networked system: multiple 13.2kV primary feeders, network protectors, a 120/208V grid network, and multiple 277/480V spot networks. This paper presents a brief review of the history of low voltage networks and how they evolved into the modern systems. This paper will then present a description of the 342 Node IEEE Low Voltage Network Test System and power flow results.

  20. Networked Control Systems under Cyber Attacks with Applications to Power Networks

    E-Print Network [OSTI]

    Johansson, Karl Henrik

    Terms-- Networked Control Systems, Fault Detection, Power Systems I. INTRODUCTION Several infrastructure infrastructure systems are vulnerable to cyber attacks [1], [2], which are performed on the information residingNetworked Control Systems under Cyber Attacks with Applications to Power Networks Andr´e Teixeira

  1. FIA-12-0010- In the Matter of Hughes Socol Piers Resnick DYM, Ltd.

    Broader source: Energy.gov [DOE]

    Hughes Socol Piers Resnick DYM, Ltd. (Hughes Socol) appealed a determination issued to it on February 15, 2012, by the Chicago Office of the Department of Energy (DOE). The Chicago Office had responded to a request that Hughes Socol had filed under the Freedom of Information Act (FOIA), 5 U.S.C. § 552, as implemented by the DOE in 10 C.F.R. Part 1004. The Chicago Office had identified eight responsive documents, but it withheld them under FOIA Exemption 4. This appeal, if granted, would require the Chicago Office to release the withheld information to Hughes Socol.

  2. Policy Management for Networked Systems and Applications

    E-Print Network [OSTI]

    Lee, Kang-Won

    Policy Management for Networked Systems and Applications Dakshi Agrawal, Seraphin Calo, James Giles {agrawal,scalo,gilesjam,kangwon,dverma}@us.ibm.com Abstract In this paper, we present a novel policy and administrative domains. The proposed policy middleware provides a standard infrastructure for the creation

  3. Analysis of complex systems using neural networks

    SciTech Connect (OSTI)

    Uhrig, R.E. [Tennessee Univ., Knoxville, TN (United States). Dept. of Nuclear Engineering]|[Oak Ridge National Lab., TN (United States)

    1992-12-31T23:59:59.000Z

    The application of neural networks, alone or in conjunction with other advanced technologies (expert systems, fuzzy logic, and/or genetic algorithms), to some of the problems of complex engineering systems has the potential to enhance the safety, reliability, and operability of these systems. Typically, the measured variables from the systems are analog variables that must be sampled and normalized to expected peak values before they are introduced into neural networks. Often data must be processed to put it into a form more acceptable to the neural network (e.g., a fast Fourier transformation of the time-series data to produce a spectral plot of the data). Specific applications described include: (1) Diagnostics: State of the Plant (2) Hybrid System for Transient Identification, (3) Sensor Validation, (4) Plant-Wide Monitoring, (5) Monitoring of Performance and Efficiency, and (6) Analysis of Vibrations. Although specific examples described deal with nuclear power plants or their subsystems, the techniques described can be applied to a wide variety of complex engineering systems.

  4. Analysis of complex systems using neural networks

    SciTech Connect (OSTI)

    Uhrig, R.E. (Tennessee Univ., Knoxville, TN (United States). Dept. of Nuclear Engineering Oak Ridge National Lab., TN (United States))

    1992-01-01T23:59:59.000Z

    The application of neural networks, alone or in conjunction with other advanced technologies (expert systems, fuzzy logic, and/or genetic algorithms), to some of the problems of complex engineering systems has the potential to enhance the safety, reliability, and operability of these systems. Typically, the measured variables from the systems are analog variables that must be sampled and normalized to expected peak values before they are introduced into neural networks. Often data must be processed to put it into a form more acceptable to the neural network (e.g., a fast Fourier transformation of the time-series data to produce a spectral plot of the data). Specific applications described include: (1) Diagnostics: State of the Plant (2) Hybrid System for Transient Identification, (3) Sensor Validation, (4) Plant-Wide Monitoring, (5) Monitoring of Performance and Efficiency, and (6) Analysis of Vibrations. Although specific examples described deal with nuclear power plants or their subsystems, the techniques described can be applied to a wide variety of complex engineering systems.

  5. An Architectural Approach for Integrated Network and Systems Management

    E-Print Network [OSTI]

    Boutaba, Raouf

    An Architectural Approach for Integrated Network and Systems Management Raouf Boutaba 1 and Simon. The constant growth in quantity and quality of networked systems and the thereby arising problems concerning introduce an architecture for the integrated management of all resources in a networked system, i

  6. Optimizing Controller Location in Networked Control Systems with Packet Drops

    E-Print Network [OSTI]

    Optimizing Controller Location in Networked Control Systems with Packet Drops C. L. Robinson1 and P in answering these two questions is that analysis of optimality in networked control systems subject to random mechanisms for wireless networked control systems [8, 6, 5]. In this paper we consider the issue of optimal

  7. Gas Main Sensor and Communications Network System

    SciTech Connect (OSTI)

    Hagen Schempf

    2006-05-31T23:59:59.000Z

    Automatika, Inc. was contracted by the Department of Energy (DOE) and with co-funding from the Northeast Gas Association (NGA), to develop an in-pipe natural gas prototype measurement and wireless communications system for assessing and monitoring distribution networks. This projected was completed in April 2006, and culminated in the installation of more than 2 dozen GasNet nodes in both low- and high-pressure cast-iron and steel mains owned by multiple utilities in the northeastern US. Utilities are currently logging data (off-line) and monitoring data in real time from single and multiple networked sensors over cellular networks and collecting data using wireless bluetooth PDA systems. The system was designed to be modular, using in-pipe sensor-wands capable of measuring, flow, pressure, temperature, water-content and vibration. Internal antennae allowed for the use of the pipe-internals as a waveguide for setting up a sensor network to collect data from multiple nodes simultaneously. Sensor nodes were designed to be installed with low- and no-blow techniques and tools. Using a multi-drop bus technique with a custom protocol, all electronics were designed to be buriable and allow for on-board data-collection (SD-card), wireless relaying and cellular network forwarding. Installation options afforded by the design included direct-burial and external polemounted variants. Power was provided by one or more batteries, direct AC-power (Class I Div.2) and solar-array. The utilities are currently in a data-collection phase and intend to use the collected (and processed) data to make capital improvement decisions, compare it to Stoner model predictions and evaluate the use of such a system for future expansion, technology-improvement and commercialization starting later in 2006.

  8. Hughes County, Oklahoma: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are8COaBulkTransmissionSitingProcess.pdfGetecGtel Jump to:Pennsylvania:County,Ohio: EnergyHudsonOhio:HudspethHughes

  9. Hugh Montgomery Named JLab's New Director | Jefferson Lab

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh School football Highdefault SignInstitute Overview of HowanHoytHugh

  10. Hughes_DPP2007_slide01-09.pdf

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh School football Highdefault SignInstitute Overview ofHugh O'Neill

  11. aircraft communication systems: Topics by E-print Network

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

    and the high-speed of aircrafts Jain, Raj 5 Aircraft System Identification Using Artificial Neural Networks Engineering Websites Summary: Aircraft System Identification Using...

  12. aircraft system identification: Topics by E-print Network

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

    22 23 24 25 Next Page Last Page Topic Index 1 Aircraft System Identification Using Artificial Neural Networks Engineering Websites Summary: Aircraft System Identification Using...

  13. aircraft system concept: Topics by E-print Network

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

    aircraft conducting High Volume Valasek, John 4 Aircraft System Identification Using Artificial Neural Networks Engineering Websites Summary: Aircraft System Identification Using...

  14. Energy security and crude oil in Atlantic Canada Larry Hughes, PhD

    E-Print Network [OSTI]

    Hughes, Larry

    ) where upwards of 70% of the crude oil is imported to meet refining demand (Hughes, 2010). The problemEnergy security and crude oil in Atlantic Canada Larry Hughes, PhD Energy Research Group Department, Atlantic Canada relies heavily on light fuel oil for space heating Over 80% of the crude oil used

  15. System and method for networking electrochemical devices

    DOE Patents [OSTI]

    Williams, Mark C. (Morgantown, WV); Wimer, John G. (Morgantown, WV); Archer, David H. (Pittsburgh, PA)

    1995-01-01T23:59:59.000Z

    An improved electrochemically active system and method including a plurality of electrochemical devices, such as fuel cells and fluid separation devices, in which the anode and cathode process-fluid flow chambers are connected in fluid-flow arrangements so that the operating parameters of each of said plurality of electrochemical devices which are dependent upon process-fluid parameters may be individually controlled to provide improved operating efficiency. The improvements in operation include improved power efficiency and improved fuel utilization in fuel cell power generating systems and reduced power consumption in fluid separation devices and the like through interstage process fluid parameter control for series networked electrochemical devices. The improved networking method includes recycling of various process flows to enhance the overall control scheme.

  16. Protecting Networked Systems from Malware Threats

    E-Print Network [OSTI]

    Shin, Seung Won

    2013-07-26T23:59:59.000Z

    -axis for value) . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.1 EFFORT design architecture, (M1 is for human-process-network cor- relation analysis module, M2 for system resource exposure analysis module, M3 for process reputation analysis module, M4.... By simply assigning values to each interface and connecting necessary modules, a FRESCO developer can replicate a range of essential security functions, such as rewalls, scan detectors, attack de ectors, or IDS detection logic. FRESCO modules can also...

  17. System Designs for Adaptive, Distributed Network Monitoring and Control

    E-Print Network [OSTI]

    Baras, John S.

    1 System Designs for Adaptive, Distributed Network Monitoring and Control H. Li, S. Yang, H. Xi.umd.edu Abstract We present system designs for adaptive, distributed network monitoring and control. The ideas are to distribute some processing intelligence to network elements, and to design a dynamic interface

  18. A Survey of Recent Results in Networked Control Systems

    E-Print Network [OSTI]

    Schenato, Luca

    of a multipurpose shared network to connect spatially distributed elements results in flexible architec- tures, long-endurance energy-limited systems such as sensor networks, underwater vehicles, and large arraysINVITED P A P E R A Survey of Recent Results in Networked Control Systems When sensors

  19. Pathways, Networks and Systems Medicine Conferences

    SciTech Connect (OSTI)

    Nadeau, Joseph H. [Pacific Northwest Research Institute] [Pacific Northwest Research Institute

    2013-11-25T23:59:59.000Z

    The 6th Pathways, Networks and Systems Medicine Conference was held at the Minoa Palace Conference Center, Chania, Crete, Greece (16-21 June 2008). The Organizing Committee was composed of Joe Nadeau (CWRU, Cleveland), Rudi Balling (German Research Centre, Brauschweig), David Galas (Institute for Systems Biology, Seattle), Lee Hood (Institute for Systems Biology, Seattle), Diane Isonaka (Seattle), Fotis Kafatos (Imperial College, London), John Lambris (Univ. Pennsylvania, Philadelphia),Harris Lewin (Univ. of Indiana, Urbana-Champaign), Edison Liu (Genome Institute of Singapore, Singapore), and Shankar Subramaniam (Univ. California, San Diego). A total of 101 individuals from 21 countries participated in the conference: USA (48), Canada (5), France (5), Austria (4), Germany (3), Italy (3), UK (3), Greece (2), New Zealand (2), Singapore (2), Argentina (1), Australia (1), Cuba (1), Denmark (1), Japan (1), Mexico (1), Netherlands (1), Spain (1), Sweden (1), Switzerland (1). With respect to speakers, 29 were established faculty members and 13 were graduate students or postdoctoral fellows. With respect to gender representation, among speakers, 13 were female and 28 were male, and among all participants 43 were female and 58 were male. Program these included the following topics: Cancer Pathways and Networks (Day 1), Metabolic Disease Networks (Day 2), Day 3 ? Organs, Pathways and Stem Cells (Day 3), and Day 4 ? Inflammation, Immunity, Microbes and the Environment (Day 4). Proceedings of the Conference were not published.

  20. Research on a Heat-supply Network Dispatching System Based on Geographical Information System (GIS) 

    E-Print Network [OSTI]

    Zhou, Z.; Zou, P.; Tang, H.; Fang, X.; Wang, W.

    2006-01-01T23:59:59.000Z

    -supply Network Dispatching System (HNDS). The system, based on Oracle database and Mapgis 6.5, compiles with Visual C++ software. With computer and communication techniques, the system dynamic inspects parameters and information of a heat-supply network, achieves...

  1. PIKA: A Network Service for Multikernel Operating Systems

    E-Print Network [OSTI]

    Beckmann, Nathan Z.

    2014-01-28T23:59:59.000Z

    PIKA is a network stack designed for multikernel operating systems that target potential future architectures lacking cache-coherent shared memory but supporting message passing. PIKA splits the network stack into several ...

  2. Energy Systems Network ESN | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluating A PotentialJump to:Emminol JumpEnergy SystemSystems Network ESN Jump to:

  3. Attack Models and Scenarios for Networked Control Systems

    E-Print Network [OSTI]

    Johansson, Karl Henrik

    and Protection--unauthorized access; C.3 [Special-Purpose and Application-Based Systems]: Process control systems on networked control systems may influence the physical processes through the communication infrastructure due to feedback loops. There- fore networked control system security needs to consider the existing threats

  4. A Network-based System Architecture for Remote Medical Applications

    E-Print Network [OSTI]

    Jantsch, Axel

    mobile technology [1] [2] [10]. 3G communication network provides a broadband, packet-based transmissionA Network-based System Architecture for Remote Medical Applications Huimin She1, 2 1 Dept-21-5135-5286 zhoud@fudan.edu.cn ABSTRACT Nowadays, the evolution of wireless communication and network technologies

  5. Verification of Network Management System Configurations David L. Cohrs

    E-Print Network [OSTI]

    Miller, Barton P.

    , with the use of simple, ad hoc tools. However in a large network, managing the net- work management system the amount of sharing and coordination possible in configuring the net- work management system. EachVerification of Network Management System Configurations David L. Cohrs (608) 262-6617 dave

  6. A Control Approach to Bandwidth Management in Networked Control Systems

    E-Print Network [OSTI]

    Brandt, Scott A.

    A Control Approach to Bandwidth Management in Networked Control Systems Manel Velasco, Josep M management in networked control systems that allows control loops to consume band- width according bandwidth. I. INTRODUCTION Modern embedded systems are expected to provide more functionality and better

  7. Electric Power System Anomaly Detection Using Neural Networks

    E-Print Network [OSTI]

    Tronci, Enrico

    Electric Power System Anomaly Detection Using Neural Networks Marco Martinelli1 , Enrico Tronci1. The aim of this work is to propose an approach to monitor and protect Electric Power System by learning of an Electric Power System. In this paper, a neural network based approach for novelty detection is presented

  8. Traffic Analysis: From Stateful Firewall to Network Intrusion Detection System

    E-Print Network [OSTI]

    Chiueh, Tzi-cker

    1 Traffic Analysis: From Stateful Firewall to Network Intrusion Detection System Fanglu Guo Tzi normalization. Index Terms Packet (traffic) analysis, stateful firewall, network intrusion detection system intrusion detection system (NIDS). Stateful firewall analyzes packets up to their layer 4 headers while NIDS

  9. atm switching system: Topics by E-print Network

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

    B- ISDNATM infrastructure. The proposed design intents Stavrakakis, Ioannis 40 PMS: a PVC Management System for ATM Networks CiteSeer Summary: . Reported in this paper is the...

  10. adequate systemic perfusion: Topics by E-print Network

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

    Tien, Joe 6 WeAidU -A decision support system for myocardial perfusion images using artificial Physics Websites Summary: of the artificial neural networks detecting infarction and...

  11. Computer System, Cluster and Networking Summer Institute (CSCNSI...

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

    CSCNSI Computer System, Cluster and Networking Summer Institute (CSCNSI) Emphasizes practical skill development. Contact Leader Francis J. Alexander (505) 665-4518 Email Deputy...

  12. Sensor Networks for Monitoring and Control of Water Distribution Systems

    E-Print Network [OSTI]

    Whittle, Andrew

    Water distribution systems present a significant challenge for structural monitoring. They comprise a complex network of pipelines buried underground that are relatively inaccessible. Maintaining the integrity of these ...

  13. array detector systems: Topics by E-print Network

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

    System for a Neutron Detector Array Physics Websites Summary: a stable light emitting diode (LED) light source and a fiber optic network distributing the light to the...

  14. in High Performance Computing Computer System, Cluster, and Networking...

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

    iSSH v. Auditd: Intrusion Detection in High Performance Computing Computer System, Cluster, and Networking Summer Institute David Karns, New Mexico State University Katy Protin,...

  15. High Temperature 300°C Directional Drilling System

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

    300C Directional Drilling System John Macpherson Baker Hughes Oilfield Operations DE-EE0002782 May 19, 2010 This presentation does not contain any proprietary confidential, or...

  16. A performance data network for solar process heat systems

    SciTech Connect (OSTI)

    Barker, G.; Hale, M.J.

    1996-03-01T23:59:59.000Z

    A solar process heat (SPH) data network has been developed to access remote-site performance data from operational solar heat systems. Each SPH system in the data network is outfitted with monitoring equipment and a datalogger. The datalogger is accessed via modem from the data network computer at the National Renewable Energy Laboratory (NREL). The dataloggers collect both ten-minute and hourly data and download it to the data network every 24-hours for archiving, processing, and plotting. The system data collected includes energy delivered (fluid temperatures and flow rates) and site meteorological conditions, such as solar insolation and ambient temperature. The SPH performance data network was created for collecting performance data from SPH systems that are serving in industrial applications or from systems using technologies that show promise for industrial applications. The network will be used to identify areas of SPH technology needing further development, to correlate computer models with actual performance, and to improve the credibility of SPH technology. The SPH data network also provides a centralized bank of user-friendly performance data that will give prospective SPH users an indication of how actual systems perform. There are currently three systems being monitored and archived under the SPH data network: two are parabolic trough systems and the third is a flat-plate system. The two trough systems both heat water for prisons; the hot water is used for personal hygiene, kitchen operations, and laundry. The flat plate system heats water for meat processing at a slaughter house. We plan to connect another parabolic trough system to the network during the first months of 1996. We continue to look for good examples of systems using other types of collector technologies and systems serving new applications (such as absorption chilling) to include in the SPH performance data network.

  17. The architecture of a network level intrusion detection system

    SciTech Connect (OSTI)

    Heady, R.; Luger, G.; Maccabe, A.; Servilla, M. [New Mexico Univ., Albuquerque, NM (United States). Dept. of Computer Science

    1990-08-15T23:59:59.000Z

    This paper presents the preliminary architecture of a network level intrusion detection system. The proposed system will monitor base level information in network packets (source, destination, packet size, and time), learning the normal patterns and announcing anomalies as they occur. The goal of this research is to determine the applicability of current intrusion detection technology to the detection of network level intrusions. In particular, the authors are investigating the possibility of using this technology to detect and react to worm programs.

  18. Interconnecting PV on New York City's Secondary Network Distribution System

    SciTech Connect (OSTI)

    Anderson, K.; Coddington, M.; Burman, K.; Hayter, S.; Kroposki, B.; Watson, A.

    2009-12-01T23:59:59.000Z

    This study describes technical assistance provided by NREL to help New York City and Con Edison improve the interconnection of distributed PV systems on a secondary network distribution system.

  19. Optimal Integrated Control and Scheduling of Networked Control Systems with Communication

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    1 Optimal Integrated Control and Scheduling of Networked Control Systems with Communication Abstract-- This paper addresses the problem of the optimal control and scheduling of Networked Control Systems over limited bandwidth deterministic networks. Multivariable linear systems subject

  20. Securing against fraud in mobile communications : system design and development in 3G mobile networks

    E-Print Network [OSTI]

    Mochizuki, Yujiro, 1973-

    2006-01-01T23:59:59.000Z

    Network security ensures the consistency, integrity, and reliability of telecommunications systems. Authorized network access prevents fraudulent communications and maintains the availability of the systems. However, limited ...

  1. Neural Network Based Intelligent Sootblowing System

    SciTech Connect (OSTI)

    Mark Rhode

    2005-04-01T23:59:59.000Z

    Cost effective generation of electricity is vital to the economic growth and stability of this nation. To accomplish this goal a balanced portfolio of fuel sources must be maintained and established which not only addresses the cost of conversion of these energy sources to electricity, but also does so in an efficient and environmentally sound manner. Conversion of coal as an energy source to produce steam for a variety of systems has been a cornerstone of modern industry. However, the use of coal in combustion systems has traditionally produced unacceptable levels of gaseous and particulate emissions, albeit that recent combustion, removal and mitigation techniques have drastically reduced these levels. With the combustion of coal there is always the formation and deposition of ash and slag within the boilers. This adversely affects the rate at which heat is transferred to the working fluid, which in the case of electric generators is water/steam. The fouling of the boiler leads to poor efficiencies due to the fact that heat which could normally be transferred to the working fluid remains in the flue gas stream and exits to the environment without beneficial use. This loss in efficiency translates to higher consumption of fuel for equivalent levels of electric generation; hence more gaseous emissions are also produced. Another less obvious problem exists with fouling of various sections of the boiler creating intense peak temperatures within and around the combustion zone. Total nitrogen oxides (NOx) generation is primarily a function of both ''fuel'' and ''thermal'' NOx production. Fuel NOx which generally comprises 20%-40% of the total NOx generated is predominantly influenced by the levels of oxygen present, while thermal NOx which comprises the balance is a function of temperature. As the fouling of the boiler increases and the rate of heat transfer decreases, peak temperatures increase as does the thermal NOx production. Due to the composition of coal, particulate matter is also a by-product of coal combustion. Modern day utility boilers are usually fitted with electrostatic precipitators to aid in the collection of particulate matter. Although extremely efficient, these devices are sensitive to rapid changes in inlet mass concentration as well as total mass loading. Traditionally, utility boilers are equipped with devices known as sootblowers, which use, steam, water or air to dislodge and clean the surfaces within the boiler and are operated based upon established rule or operator's judgment. Poor sootblowing regimes can influence particulate mass loading to the electrostatic precipitators. The project applied a neural network intelligent sootblowing system in conjunction with state-of-the-art controls and instruments to optimize the operation of a utility boiler and systematically control boiler slagging/fouling. This optimization process targeted reduction of NOx of 30%, improved efficiency of 2% and a reduction in opacity of 5%. The neural network system proved to be a non-invasive system which can readily be adapted to virtually any utility boiler. Specific conclusions from this neural network application are listed below. These conclusions should be used in conjunction with the specific details provided in the technical discussions of this report to develop a thorough understanding of the process.

  2. Devices as Interactive Physical Containers: The Shoogle System

    E-Print Network [OSTI]

    Williamson, J.

    Williamson,J. Murray-Smith,R. Hughes,S. CHI '07 extended abstracts on Human factors in computing systems pp 2013 - 2018 ACM Press

  3. Simulated, Emulated, and Physical Investigative Analysis (SEPIA) of networked systems.

    SciTech Connect (OSTI)

    Burton, David P.; Van Leeuwen, Brian P.; McDonald, Michael James; Onunkwo, Uzoma A.; Tarman, Thomas David; Urias, Vincent E.

    2009-09-01T23:59:59.000Z

    This report describes recent progress made in developing and utilizing hybrid Simulated, Emulated, and Physical Investigative Analysis (SEPIA) environments. Many organizations require advanced tools to analyze their information system's security, reliability, and resilience against cyber attack. Today's security analysis utilize real systems such as computers, network routers and other network equipment, computer emulations (e.g., virtual machines) and simulation models separately to analyze interplay between threats and safeguards. In contrast, this work developed new methods to combine these three approaches to provide integrated hybrid SEPIA environments. Our SEPIA environments enable an analyst to rapidly configure hybrid environments to pass network traffic and perform, from the outside, like real networks. This provides higher fidelity representations of key network nodes while still leveraging the scalability and cost advantages of simulation tools. The result is to rapidly produce large yet relatively low-cost multi-fidelity SEPIA networks of computers and routers that let analysts quickly investigate threats and test protection approaches.

  4. Power-Supply-Network Design in 3D Integrated Systems

    E-Print Network [OSTI]

    Lim, Sung Kyu

    Power-Supply-Network Design in 3D Integrated Systems Michael B. Healy and Sung Kyu Lim School power-supply noise in a layout- level 3D design prototype, and the impact of possible 3D-specific changes to the power-supply network design and topology. Our results show that distributing power-supply

  5. Component criticality in failure cascade processes of network systems

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    considered. KEYWORDS: Complex Infrastructures Vulnerability, Cascade Failures, Criticality Indicators of the cascade. For example, in electrical power transmission networks a cascade of events leading to blackout failures are a major threat to distributed, interconnected systems such as power transmission networks(1

  6. Consensus Computation in Unreliable Networks: A System Theoretic Approach

    E-Print Network [OSTI]

    Bullo, Francesco

    the presence in a network of weakly interconnected subparts, and provides computationally efficient detection of the interconnection structure. I. INTRODUCTION Distributed systems and networks have received much attention to be accomplished by autonomous agents is to agree upon some parameters. Agreement variables represent quantities

  7. Supply Chain Network Design of a Sustainable Blood Banking System

    E-Print Network [OSTI]

    Nagurney, Anna

    Supply Chain Network Design of a Sustainable Blood Banking System Anna Nagurney and Amir H. Masoumi a sustainable network design / redesign model for the complex supply chain of human blood, which is a valuable yet highly perish- able product. Specifically, we consider the optimal design (or redesign) of a blood

  8. nature genetics volume 22 july 1999 281 Systematic determination of genetic network architecture

    E-Print Network [OSTI]

    Church, George M.

    architecture Saeed Tavazoie1, Jason D. Hughes1,2, Michael J. Campbell3, Raymond J. Cho4 & George M. Church1 1 elucidation of genetic network architecture in sequenced organisms in which little biology is known. We

  9. The Effect of Graph Layout on Inference from Social Network Data

    E-Print Network [OSTI]

    Blythe, Jim

    The Effect of Graph Layout on Inference from Social Network Data Jim Blythe 1 and Cathleen Mc of information to be #12; Ivo Jack Ben York Earl Rick Mel Dale Robin Nan Gerry Bob Fran Walt Ovid Gary Chris Hugh

  10. STIMULUS: End-System Network Interface Controller for 100 Gb/s Wide Area Networks

    SciTech Connect (OSTI)

    Zarkesh-Ha, Payman [University of New Mexico

    2014-09-12T23:59:59.000Z

    The main goal of this research grant is to develop a system-level solution leveraging novel technologies that enable network communications at 100 Gb/s or beyond. University of New Mexico in collaboration with Acadia Optronics LLC has been working on this project to develop the 100 Gb/s Network Interface Controller (NIC) under this Department of Energy (DOE) grant.

  11. Decentralized Control Framework for Networked Control Systems Ahmed Elmahdi

    E-Print Network [OSTI]

    Sun, Dengfeng

    understand and interact with large-scale decentralized modern control systems. To mention a few, large- opment of distributed control systems. These modern systems which include sensors and actuatorsDecentralized Control Framework for Networked Control Systems Ahmed Elmahdi , Ahmad F Taha

  12. Port-Hamiltonian systems: network modeling and control of nonlinear physical systems

    E-Print Network [OSTI]

    Schaft, Arjan van der

    Port-Hamiltonian systems: network modeling and control of nonlinear physical systems A.J. van der systems (multi-body systems, electrical circuits, electromechanical systems, ..) naturally leads to a geometrically defined class of systems, called port-Hamiltonian systems. These are Hamiltonian systems defined

  13. Decision support systems and methods for complex networks

    DOE Patents [OSTI]

    Huang, Zhenyu (Richland, WA); Wong, Pak Chung (Richland, WA); Ma, Jian (Richland, WA); Mackey, Patrick S (Richland, WA); Chen, Yousu (Richland, WA); Schneider, Kevin P (Seattle, WA)

    2012-02-28T23:59:59.000Z

    Methods and systems for automated decision support in analyzing operation data from a complex network. Embodiments of the present invention utilize these algorithms and techniques not only to characterize the past and present condition of a complex network, but also to predict future conditions to help operators anticipate deteriorating and/or problem situations. In particular, embodiments of the present invention characterize network conditions from operation data using a state estimator. Contingency scenarios can then be generated based on those network conditions. For at least a portion of all of the contingency scenarios, risk indices are determined that describe the potential impact of each of those scenarios. Contingency scenarios with risk indices are presented visually as graphical representations in the context of a visual representation of the complex network. Analysis of the historical risk indices based on the graphical representations can then provide trends that allow for prediction of future network conditions.

  14. STABLE SYNCHRONIZATION OF MECHANICAL SYSTEM NETWORKS

    E-Print Network [OSTI]

    Nair, Sujit

    such as unmanned helicopters or underwater vehicles, stability of individual dynamics can be important and challeng]) on unmanned aerial vehicle motion planning is presented for identical multiple-vehicle stabilization and underwater vehicle network dynamics. Stability of a network of rotat

  15. Model Specification for Networked Outdoor Lighting Control Systems

    Broader source: Energy.gov [DOE]

    The DOE Municipal Solid-State Street Lighting Consortium's Model Specification for Networked Outdoor Lighting Control Systems is a tool designed to help cities, utilities, and other local agencies...

  16. analysis code system: Topics by E-print Network

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

    We define the user Erkip, Elza 2 A Network Approach to the French System of Legal codes Part I: Analysis Physics Websites Summary: vertices) of codes covering large domains...

  17. Regular Symbolic Analysis of Dynamic Networks of Pushdown Systems

    E-Print Network [OSTI]

    Müller-Olm, Markus

    Regular Symbolic Analysis of Dynamic Networks of Pushdown Systems Ahmed Bouajjani1, Markus M¨uller-Olm Bouajjani, Markus M¨uller-Olm, and Tayssir Touili parallel calls. In a multithreaded program such a command

  18. Regular Symbolic Analysis of Dynamic Networks of Pushdown Systems

    E-Print Network [OSTI]

    Müller-Olm, Markus

    Regular Symbolic Analysis of Dynamic Networks of Pushdown Systems Ahmed Bouajjani 1 , Markus MË?uller­Olm #12; 474 Ahmed Bouajjani, Markus MË?uller­Olm, and Tayssir Touili parallel calls. In a multithreaded

  19. Regular Symbolic Analysis of Dynamic Networks of Pushdown Systems

    E-Print Network [OSTI]

    Touili, Tayssir

    Regular Symbolic Analysis of Dynamic Networks of Pushdown Systems Ahmed Bouajjani 1 , Markus MË?uller­Olm Bouajjani, Markus MË?uller­Olm, and Tayssir Touili parallel calls. In a multithreaded program such a command

  20. Regular Symbolic Analysis of Dynamic Networks of Pushdown Systems

    E-Print Network [OSTI]

    Müller-Olm, Markus

    Regular Symbolic Analysis of Dynamic Networks of Pushdown Systems Ahmed Bouajjani1, Markus M¨uller-Olm #12;474 Ahmed Bouajjani, Markus M¨uller-Olm, and Tayssir Touili parallel calls. In a multithreaded

  1. Predictive Compensation for Communication Outages in Networked Control Systems

    E-Print Network [OSTI]

    Johansson, Karl Henrik

    Predictive Compensation for Communication Outages in Networked Control Systems Erik Henriksson Henrik Sandberg Karl Henrik Johansson Abstract-- A predictive outage compensator co time instance, the predictive outage compensator suggests a replacement command based on the history

  2. Providing ordered message delivery in communication network systems

    E-Print Network [OSTI]

    Rivera-Hernandez, Julio A

    1995-01-01T23:59:59.000Z

    PROVIDING ORDERED MESSAGE DELIVERY IN COMMUNICATION NETWORK SYSTEMS A Thesis by JULI0 A. RIVERA-HERNANDEZ Submitted to the Oflice of Graduate Studies of Texas AkM University in partial fulfillment of the requirements for the degree of MASTER... OF SCIENCE May 1995 Major Subject: Computer Science PROVIDING ORDERED MESSAGE DELIVERY IN COMMUNICATION NETWORK SYSTEMS A Thesis by JULIO A. RIVERA-HERNANDEZ Submitted to Texas ARM University in partial fulfillment of the requirements for the degree...

  3. Neural network based design of cellular manufacturing systems

    E-Print Network [OSTI]

    Ramachandran, Satheesh

    1990-01-01T23:59:59.000Z

    NEURAL NETWORK BASED DESIGN OF CELLULAR MANUFACTURING SYSTEMS A Thesis by SATHEESH RAMACHANDRAN Submitted to the Office of Graduate Studies of' Texas ASM University in partial fulfilltnent of the requirements for the degree of MASTER... OF SCIENCE December 1990 Major Subject: Industrial Engineering NEURAL NETWORK BASED DESIGN OF CELLULAR MANUFACTURING SYSTEMS A Thesis by SATHEESH RAMACHAiVDRAN Approved as to style and content by: Ce r O. Malav (Chair of Committee) T. Hsing...

  4. Wireless Networked Control System using IEEE 802.15.4 with GTS Najet Boughanmi

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Wireless Networked Control System using IEEE 802.15.4 with GTS Najet Boughanmi LORIA.rondeau@cran.uhp-nancy.fr Abstract In this paper, the suitability of wireless sensor networks for networked control loop is shown because of the network wires. Wireless Networked Control Systems (WNCS) are an alternative to overcome

  5. Systems and methods for modeling and analyzing networks

    DOE Patents [OSTI]

    Hill, Colin C; Church, Bruce W; McDonagh, Paul D; Khalil, Iya G; Neyarapally, Thomas A; Pitluk, Zachary W

    2013-10-29T23:59:59.000Z

    The systems and methods described herein utilize a probabilistic modeling framework for reverse engineering an ensemble of causal models, from data and then forward simulating the ensemble of models to analyze and predict the behavior of the network. In certain embodiments, the systems and methods described herein include data-driven techniques for developing causal models for biological networks. Causal network models include computational representations of the causal relationships between independent variables such as a compound of interest and dependent variables such as measured DNA alterations, changes in mRNA, protein, and metabolites to phenotypic readouts of efficacy and toxicity.

  6. EIA - Natural Gas Pipeline Network - Network Configuration & System Design

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 111 1,613 122 40Coal Stocks at1,066,688 760,877 951,322Development &Region/StateNetwork

  7. Bayesian Networks and Evidence Theory to Model Complex Systems Reliability

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    , infrastructure of water distribution or electricity. The reliability studies of such systems are consequentlyBayesian Networks and Evidence Theory to Model Complex Systems Reliability Ch. SIMON, Ph. WEBER, E.levrat}@cran.uhp-nancy.fr Abstract-- This paper deals with the use of Bayesian Net- works to compute system reliability of complex

  8. Simplification of Network Dynamics in Large Systems

    E-Print Network [OSTI]

    Lin, Xiaojun

    of Electrical and Computer Engineering Purdue University West Lafayette, IN 47906, U.S.A. Email: linx, shroff) of an appropriately chosen static pric- ing scheme, whose price is independent of the current network uti- lization

  9. An optimization procedure for network planning systems

    E-Print Network [OSTI]

    Madrigal, Orlando Sia

    1967-01-01T23:59:59.000Z

    Network (After step 5) 14. Sample CPM Network (After step 6) 15. Main Program 16. Subroutine Orland 17. Subroutine Fincpm 18. Subroutine Phil . ~ . . . . ~ . ~ 19. Subroutine Crpath 20. Subroutine Merge Page 10 12 19 21 22 27 42 43 44 46... that the input data may be processed by subroutine Fincpm which takes care of the CPM calculations. Subroutine Phil merges the results obtained from subroutine Fincpm to incorporate the cost parameters related to each activity. The output of subroutine Phil...

  10. Networked VAX/LSI/CAMAC data acquisition system development

    SciTech Connect (OSTI)

    Melvin, J.D.; Clark, D.L.; Mendenhall, M.H.; Tombrello, T.A.

    1983-10-01T23:59:59.000Z

    Recent development of the Caltech data acquisition system installed in 1981, which runs on a VAX-11/750, a Peritek Q-bus network, LSI-11s, and CAMAC, is described. In this system, the DEC VMS and RT-11 operating systems are supported on the VAX ''host'' and LSI-11 ''front-end'' computers by a VMS device driver and network host program, and a bootable RT-11 device driver. Network ''utility'' and ''control'' programs provide general purpose support for communication between front-end and host software. Data acquisition software tools are provided for writing programs to run nuclear physics experiments. A system similar to Caltech's was installed at the University of Rochester in 1982. The network has been tested for speed and real-time response. After including all software overhead required by data acquisition, it was found that the system could transfer buffers and acknowledge their receipt at a net speed of 127 KB per second with a 35% load on the host computer. The network software is currently being rehosted on Ethernet hardware at Caltech in a multiple host - many front-end computer configuration. Compatibility with the current Peritek network software will be maintained.

  11. Threshold Verification Technique for Network Intrusion Detection System

    E-Print Network [OSTI]

    Faizal, M A; Shahrin, S; Robiah, Y; Rahayu, S Siti; Nazrulazhar, B

    2009-01-01T23:59:59.000Z

    Internet has played a vital role in this modern world, the possibilities and opportunities offered are limitless. Despite all the hype, Internet services are liable to intrusion attack that could tamper the confidentiality and integrity of important information. An attack started with gathering the information of the attack target, this gathering of information activity can be done as either fast or slow attack. The defensive measure network administrator can take to overcome this liability is by introducing Intrusion Detection Systems (IDSs) in their network. IDS have the capabilities to analyze the network traffic and recognize incoming and on-going intrusion. Unfortunately the combination of both modules in real time network traffic slowed down the detection process. In real time network, early detection of fast attack can prevent any further attack and reduce the unauthorized access on the targeted machine. The suitable set of feature selection and the correct threshold value, add an extra advantage for I...

  12. Interconnecting PV on New York City's Secondary Network Distribution System

    SciTech Connect (OSTI)

    K. Anderson; M. Coddington; K. Burman; S. Hayter; B. Kroposki; and A. Watson

    2009-11-30T23:59:59.000Z

    The U.S. Department of Energy (DOE) has teamed with cities across the country through the Solar America Cities (SAC) partnership program to help reduce barriers and accelerate implementation of solar energy. The New York City SAC team is a partnership between the City University of New York (CUNY), the New York City Mayor s Office of Long-term Planning and Sustainability, and the New York City Economic Development Corporation (NYCEDC).The New York City SAC team is working with DOE s National Renewable Energy Laboratory (NREL) and Con Edison, the local utility, to develop a roadmap for photovoltaic (PV) installations in the five boroughs. The city set a goal to increase its installed PV capacity from1.1 MW in 2005 to 8.1 MW by 2015 (the maximum allowed in 2005). A key barrier to reaching this goal, however, is the complexity of the interconnection process with the local utility. Unique challenges are associated with connecting distributed PV systems to secondary network distribution systems (simplified to ���¢��������networks���¢������� in this report). Although most areas of the country use simpler radial distribution systems to distribute electricity, larger metropolitan areas like New York City typically use networks to increase reliability in large load centers. Unlike the radial distribution system, where each customer receives power through a single line, a network uses a grid of interconnected lines to deliver power to each customer through several parallel circuits and sources. This redundancy improves reliability, but it also requires more complicated coordination and protection schemes that can be disrupted by energy exported from distributed PV systems. Currently, Con Edison studies each potential PV system in New York City to evaluate the system s impact on the network, but this is time consuming for utility engineers and may delay the customer s project or add cost for larger installations. City leaders would like to streamline this process to facilitate faster, simpler, and less expensive distributed PV system interconnections. To assess ways to improve the interconnection process, NREL conducted a four-part study with support from DOE. The NREL team then compiled the final reports from each study into this report. In Section 1���¢��������PV Deployment Analysis for New York City���¢��������we analyze the technical potential for rooftop PV systems in the city. This analysis evaluates potential PV power production in ten Con Edison networks of various locations and building densities (ranging from high density apartments to lower density single family homes). Next, we compare the potential power production to network loads to determine where and when PV generation is most likely to exceed network load and disrupt network protection schemes. The results of this analysis may assist Con Edison in evaluating future PV interconnection applications and in planning future network protection system upgrades. This analysis may also assist other utilities interconnecting PV systems to networks by defining a method for assessing the technical potential of PV in the network and its impact on network loads. Section 2���¢��������A Briefing for Policy Makers on Connecting PV to a Network Grid���¢��������presents an overview intended for nontechnical stakeholders. This section describes the issues associated with interconnecting PV systems to networks, along with possible solutions. Section 3���¢��������Technical Review of Concerns and Solutions to PV Interconnection in New Y

  13. Optimal Control of Discrete-Time Linear Systems with Network-Induced Varying Delay

    E-Print Network [OSTI]

    importance in modern systems applications. However, most traditional digital control and algorithmsOptimal Control of Discrete-Time Linear Systems with Network-Induced Varying Delay Hiroyuki Hirano for networked control systems, that have network induced time delay in the communication networks. In our

  14. A Hybrid Authentication and Authorization Process for Control System Networks

    SciTech Connect (OSTI)

    Manz, David O.; Edgar, Thomas W.; Fink, Glenn A.

    2010-08-25T23:59:59.000Z

    Convergence of control system and IT networks require that security, privacy, and trust be addressed. Trust management continues to plague traditional IT managers and is even more complex when extended into control system networks, with potentially millions of entities, a mission that requires 100% availability. Yet these very networks necessitate a trusted secure environment where controllers and managers can be assured that the systems are secure and functioning properly. We propose a hybrid authentication management protocol that addresses the unique issues inherent within control system networks, while leveraging the considerable research and momentum in existing IT authentication schemes. Our hybrid authentication protocol for control systems provides end device to end device authentication within a remote station and between remote stations and control centers. Additionally, the hybrid protocol is failsafe and will not interrupt communication or control of vital systems in a network partition or device failure. Finally, the hybrid protocol is resilient to transitory link loss and can operate in an island mode until connectivity is reestablished.

  15. On Cyber Security for Networked Control Systems

    E-Print Network [OSTI]

    Amin, Saurabh

    2011-01-01T23:59:59.000Z

    optimal control and stabilization for linear systems with bounded controloptimal switching control for abstract linear systems onoptimal control for discrete-time, linear dynamical systems in which control

  16. On Cyber Security for Networked Control Systems

    E-Print Network [OSTI]

    Amin, Saurabh

    2011-01-01T23:59:59.000Z

    her students on security of process control systems. I amcyber-security tools for process control systems. In theon the security mechanisms of process control systems, few

  17. Autonomous Undersea Systems Network (AUSNet) Protocols To Support Ad-Hoc AUV Communications

    E-Print Network [OSTI]

    semi-autonomous networked robots. Emerging flexible low bandwidth, energy efficient architectures opposed to network support) data transmissions. Current efforts are focused on transitionAutonomous Undersea Systems Network (AUSNet) ­ Protocols To Support Ad-Hoc AUV Communications

  18. 1104 IEEE Transactions on Power Systems, Vol. 10, No. 2, May 1995 SUPERVISORYCONTROLOFELECTRIC POWERTRANSMISSION NETWORKS

    E-Print Network [OSTI]

    -restoration problem, aiming to increase the steady-state security level of a power network during restoration for largepower networks. Keywords: Discrete Event Systems, Static Security Assessment, Line security levelthroughout the restorationprocess. Specificallywe use a lbbus, 40-line transmission network

  19. Review, reduce, and replace: The three `R's of energy security Larry Hughes

    E-Print Network [OSTI]

    Hughes, Larry

    ERG2007/01 Review, reduce, and replace: The three `R's of energy security Larry Hughes Energy: The three `R's of energy security 1 Abstract Rising world energy costs, increasing demand for energy contributed to national and international concerns over energy security. If a jurisdiction's energy security

  20. Modelling the convective flow in solar thermal receivers K.C. Yeh; G. Hughes & K. Lovegrove

    E-Print Network [OSTI]

    value energy conversions such as heat engine cycles or chemical process to be carried outModelling the convective flow in solar thermal receivers K.C. Yeh; G. Hughes & K. Lovegrove, Canberra AUSTRALIA E-mail: u3370739@anu.edu.au The natural convective flow inside a concentrating solar

  1. Top-Down Influence in Young Children's Linguistic Ambiguity Resolution Hugh Rabagliati

    E-Print Network [OSTI]

    Pylkkänen, Liina

    Top-Down Influence in Young Children's Linguistic Ambiguity Resolution Hugh Rabagliati New York adults resolve syntactic ambiguities by integrating a variety of cues, children are less sensitive to top-down evidence. We test whether this top-down insensitivity is specific to syntax or a general feature

  2. Por Hugh Rudnick Van De Wyngard, Profesor Titular Pontificia Universidad Catlica de

    E-Print Network [OSTI]

    Dixon, Juan

    Capítulo 4 ENERGÍA EÓLICA Por Hugh Rudnick Van De Wyngard, Profesor Titular Pontificia Universidad análisis económico. La energía eólica se origina del movimiento de las masas de aire, es decir, el viento circulación de aire. Desde el punto de vista de la energía eólica, la característica más importante del viento

  3. Autobiographical Sketch of William Hughes Miller I was born in rural Mississippi (Kosciusko, earlier Red Bud

    E-Print Network [OSTI]

    Miller, William H.

    , earlier Red Bud Springs) on March 16, 1941, but within a few years my family moved to the "big city Carolina. Both of my parents (Weldon Howard Miller and Jewell Hughes Miller) finished high school, and my Engineering major in 1959. (I had always liked math and I enjoyed the chemistry class that I had in high

  4. Space Heating Trends in Prince Edward Island and Nova Scotia1 Mandeep Dhaliwal and Larry Hughes

    E-Print Network [OSTI]

    Hughes, Larry

    . Household income and shelter costs 4. Size and condition of the house 5. Fuel prices 6. Administration Hughes Energy Research Group Department of Electrical and Computer Engineering Dalhousie University Scotia have about the same fuel mix, although there are some differences in the use of electricity

  5. Applying New Network Security Technologies to SCADA Systems.

    SciTech Connect (OSTI)

    Hurd, Steven A.; Stamp, Jason E. [Sandia National Laboratories, Albuquerque, NM] [Sandia National Laboratories, Albuquerque, NM; Duggan, David P. [Sandia National Laboratories, Albuquerque, NM] [Sandia National Laboratories, Albuquerque, NM; Chavez, Adrian R. [Sandia National Laboratories, Albuquerque, NM] [Sandia National Laboratories, Albuquerque, NM

    2006-11-01T23:59:59.000Z

    Supervisory Control and Data Acquisition (SCADA) systems for automation are very important for critical infrastructure and manufacturing operations. They have been implemented to work in a number of physical environments using a variety of hardware, software, networking protocols, and communications technologies, often before security issues became of paramount concern. To offer solutions to security shortcomings in the short/medium term, this project was to identify technologies used to secure %22traditional%22 IT networks and systems, and then assess their efficacy with respect to SCADA systems. These proposed solutions must be relatively simple to implement, reliable, and acceptable to SCADA owners and operators. 4This page intentionally left blank.

  6. Interactivity vs. fairness in networked linux systems

    SciTech Connect (OSTI)

    Wu, Wenji; Crawford, Matt; /Fermilab; ,

    2007-01-01T23:59:59.000Z

    In general, the Linux 2.6 scheduler can ensure fairness and provide excellent interactive performance at the same time. However, our experiments and mathematical analysis have shown that the current Linux interactivity mechanism tends to incorrectly categorize non-interactive network applications as interactive, which can lead to serious fairness or starvation issues. In the extreme, a single process can unjustifiably obtain up to 95% of the CPU! The root cause is due to the facts that: (1) network packets arrive at the receiver independently and discretely, and the 'relatively fast' non-interactive network process might frequently sleep to wait for packet arrival. Though each sleep lasts for a very short period of time, the wait-for-packet sleeps occur so frequently that they lead to interactive status for the process. (2) The current Linux interactivity mechanism provides the possibility that a non-interactive network process could receive a high CPU share, and at the same time be incorrectly categorized as 'interactive.' In this paper, we propose and test a possible solution to address the interactivity vs. fairness problems. Experiment results have proved the effectiveness of the proposed solution.

  7. A Learning System for Discriminating Variants of Malicious Network Traffic

    SciTech Connect (OSTI)

    Beaver, Justin M [ORNL; Symons, Christopher T [ORNL; Gillen, Rob [ORNL

    2013-01-01T23:59:59.000Z

    Modern computer network defense systems rely primarily on signature-based intrusion detection tools, which generate alerts when patterns that are pre-determined to be malicious are encountered in network data streams. Signatures are created reactively, and only after in-depth manual analysis of a network intrusion. There is little ability for signature-based detectors to identify intrusions that are new or even variants of an existing attack, and little ability to adapt the detectors to the patterns unique to a network environment. Due to these limitations, the need exists for network intrusion detection techniques that can more comprehensively address both known unknown networkbased attacks and can be optimized for the target environment. This work describes a system that leverages machine learning to provide a network intrusion detection capability that analyzes behaviors in channels of communication between individual computers. Using examples of malicious and non-malicious traffic in the target environment, the system can be trained to discriminate between traffic types. The machine learning provides insight that would be difficult for a human to explicitly code as a signature because it evaluates many interdependent metrics simultaneously. With this approach, zero day detection is possible by focusing on similarity to known traffic types rather than mining for specific bit patterns or conditions. This also reduces the burden on organizations to account for all possible attack variant combinations through signatures. The approach is presented along with results from a third-party evaluation of its performance.

  8. Inventory management with dynamic Bayesian network software systems

    E-Print Network [OSTI]

    Barker, Jon

    Inventory management with dynamic Bayesian network software systems Mark Taylor1 and Charles Fox2 1.fox@sheffield.ac.uk Abstract. Inventory management at a single or multiple levels of a supply chain is usually performed-the-shelf graphical software systems. We show how such sys- tems may be deployed to model a simple inventory problem

  9. ESTIMATION OF DELAY PROPAGATION IN AVIATION SYSTEM USING BAYESIAN NETWORK

    E-Print Network [OSTI]

    delays is a major long-term objective of the Federal Aviation Administration (FAA). As demand1 ESTIMATION OF DELAY PROPAGATION IN AVIATION SYSTEM USING BAYESIAN NETWORK Ning Xu, George Donohue problems in the current aviation system. Methods are needed to analyze the manner in which micro

  10. Evolving an Indoor Robotic Localization System Based on Wireless Networks

    E-Print Network [OSTI]

    Braun, Torsten

    of indoor robotic localization. We investigate the design and building of an autonomous localization system provides the position of one robot in a space, as in a Cartesian plane, corroborating with the EvoEvolving an Indoor Robotic Localization System Based on Wireless Networks Gustavo Pessin1

  11. Neural Network Based Intrusion Detection System for Critical Infrastructures

    SciTech Connect (OSTI)

    Todd Vollmer; Ondrej Linda; Milos Manic

    2009-07-01T23:59:59.000Z

    Resiliency and security in control systems such as SCADA and Nuclear plant’s in today’s world of hackers and malware are a relevant concern. Computer systems used within critical infrastructures to control physical functions are not immune to the threat of cyber attacks and may be potentially vulnerable. Tailoring an intrusion detection system to the specifics of critical infrastructures can significantly improve the security of such systems. The IDS-NNM – Intrusion Detection System using Neural Network based Modeling, is presented in this paper. The main contributions of this work are: 1) the use and analyses of real network data (data recorded from an existing critical infrastructure); 2) the development of a specific window based feature extraction technique; 3) the construction of training dataset using randomly generated intrusion vectors; 4) the use of a combination of two neural network learning algorithms – the Error-Back Propagation and Levenberg-Marquardt, for normal behavior modeling. The presented algorithm was evaluated on previously unseen network data. The IDS-NNM algorithm proved to be capable of capturing all intrusion attempts presented in the network communication while not generating any false alerts.

  12. Robust Performance of Soft Real-time Networked Control Systems with Data Dropouts 1

    E-Print Network [OSTI]

    Lemmon, Michael

    Robust Performance of Soft Real-time Networked Control Systems with Data Dropouts 1 Qiang Ling, . This class of systems is a model for soft real-time control systems in which the feedback path is implemented, the networked control system becomes a soft real-time system. In soft real-time networks, data packets may

  13. A Wireless Sensor Network Air Pollution Monitoring System

    E-Print Network [OSTI]

    Khedo, Kavi K; Mungur, Avinash; Mauritius, University of; Mauritius,; 10.5121/ijwmn.2010.2203

    2010-01-01T23:59:59.000Z

    Sensor networks are currently an active research area mainly due to the potential of their applications. In this paper we investigate the use of Wireless Sensor Networks (WSN) for air pollution monitoring in Mauritius. With the fast growing industrial activities on the island, the problem of air pollution is becoming a major concern for the health of the population. We proposed an innovative system named Wireless Sensor Network Air Pollution Monitoring System (WAPMS) to monitor air pollution in Mauritius through the use of wireless sensors deployed in huge numbers around the island. The proposed system makes use of an Air Quality Index (AQI) which is presently not available in Mauritius. In order to improve the efficiency of WAPMS, we have designed and implemented a new data aggregation algorithm named Recursive Converging Quartiles (RCQ). The algorithm is used to merge data to eliminate duplicates, filter out invalid readings and summarise them into a simpler form which significantly reduce the amount of dat...

  14. Quantifying sudden changes in dynamical systems using symbolic networks

    E-Print Network [OSTI]

    Masoller, Cristina; Ayad, Sarah; Gustave, Francois; Barland, Stephane; Pons, Antonio J; Gómez, Sergio; Arenas, Alex

    2015-01-01T23:59:59.000Z

    We characterise the evolution of a dynamical system by combining two well-known complex systems' tools, namely, symbolic ordinal analysis and networks. From the ordinal representation of a time-series we construct a network in which every node weights represents the probability of an ordinal patterns (OPs) to appear in the symbolic sequence and each edges weight represents the probability of transitions between two consecutive OPs. Several network-based diagnostics are then proposed to characterize the dynamics of different systems: logistic, tent and circle maps. We show that these diagnostics are able to capture changes produced in the dynamics as a control parameter is varied. We also apply our new measures to empirical data from semiconductor lasers and show that they are able to anticipate the polarization switchings, thus providing early warning signals of abrupt transitions.

  15. Quantifying sudden changes in dynamical systems using symbolic networks

    E-Print Network [OSTI]

    Cristina Masoller; Yanhua Hong; Sarah Ayad; Francois Gustave; Stephane Barland; Antonio J. Pons; Sergio Gómez; Alex Arenas

    2015-01-27T23:59:59.000Z

    We characterise the evolution of a dynamical system by combining two well-known complex systems' tools, namely, symbolic ordinal analysis and networks. From the ordinal representation of a time-series we construct a network in which every node weights represents the probability of an ordinal patterns (OPs) to appear in the symbolic sequence and each edges weight represents the probability of transitions between two consecutive OPs. Several network-based diagnostics are then proposed to characterize the dynamics of different systems: logistic, tent and circle maps. We show that these diagnostics are able to capture changes produced in the dynamics as a control parameter is varied. We also apply our new measures to empirical data from semiconductor lasers and show that they are able to anticipate the polarization switchings, thus providing early warning signals of abrupt transitions.

  16. An artificial neural network controller for intelligent transportation systems applications

    SciTech Connect (OSTI)

    Vitela, J.E.; Hanebutte, U.R.; Reifman, J. [Argonne National Lab., IL (United States). Reactor Analysis Div.

    1996-04-01T23:59:59.000Z

    An Autonomous Intelligent Cruise Control (AICC) has been designed using a feedforward artificial neural network, as an example for utilizing artificial neural networks for nonlinear control problems arising in intelligent transportation systems applications. The AICC is based on a simple nonlinear model of the vehicle dynamics. A Neural Network Controller (NNC) code developed at Argonne National Laboratory to control discrete dynamical systems was used for this purpose. In order to test the NNC, an AICC-simulator containing graphical displays was developed for a system of two vehicles driving in a single lane. Two simulation cases are shown, one involving a lead vehicle with constant velocity and the other a lead vehicle with varying acceleration. More realistic vehicle dynamic models will be considered in future work.

  17. System for testing properties of a network

    DOE Patents [OSTI]

    Rawle, Michael (Springville, UT); Bartholomew, David B. (Springville, UT); Soares, Marshall A. (Taylorsville, UT)

    2009-06-16T23:59:59.000Z

    A method for identifying properties of a downhole electromagnetic network in a downhole tool sting, including the step of providing an electromagnetic path intermediate a first location and a second location on the electromagnetic network. The method further includes the step of providing a receiver at the second location. The receiver includes a known reference. The analog signal includes a set amplitude, a set range of frequencies, and a set rate of change between the frequencies. The method further includes the steps of sending the analog signal, and passively modifying the signal. The analog signal is sent from the first location through the electromagnetic path, and the signal is modified by the properties of the electromagnetic path. The method further includes the step of receiving a modified signal at the second location and comparing the known reference to the modified signal.

  18. On Cyber Security for Networked Control Systems

    E-Print Network [OSTI]

    Amin, Saurabh

    2011-01-01T23:59:59.000Z

    cyber-security analysis of the SCADA system of the Gignac water distributioncyber security of SCADA systems managing other infrastructures (e.g. , oil and natural gas distribution

  19. Application of local area networks to accelerator control systems at the Stanford Linear Accelerator

    SciTech Connect (OSTI)

    Fox, J.D.; Linstadt, E.; Melen, R.

    1983-03-01T23:59:59.000Z

    The history and current status of SLAC's SDLC networks for distributed accelerator control systems are discussed. These local area networks have been used for instrumentation and control of the linear accelerator. Network topologies, protocols, physical links, and logical interconnections are discussed for specific applications in distributed data acquisition and control system, computer networks and accelerator operations.

  20. Application of local area networks to accelerator control systems at the Stanford linear accelerator

    SciTech Connect (OSTI)

    Fox, J.D.; Linstadt, E.; Melen, R.

    1983-08-01T23:59:59.000Z

    The history and current status of SLAC's SDLC networks for distributed accelerator control systems are discussed. These local area networks have been used for instrumentation and control of the linear accelerator. Network topologies, protocols, physical links, and logical interconnections are discussed for specific applications in distributed data acquisition and control systems, computer networks and accelerator operations.

  1. Embedding Complex Embedded Systems in Ethernetbased Networks

    E-Print Network [OSTI]

    on the interconnection of multiple embedded systems, which can be as complex as a modern MPSoC in a larger Ethernetbased of Ethernet equipment and the requirement to exercise remote control over all kinds of embedded systems, single systems have to exchange information like process variables, system states, or control signals

  2. On Cyber Security for Networked Control Systems

    E-Print Network [OSTI]

    Amin, Saurabh

    2011-01-01T23:59:59.000Z

    critical infrastructure systems, such as electric powerinfrastructures, for e.g. , the next generation electric power

  3. A graph-based system for network-vulnerability analysis

    SciTech Connect (OSTI)

    Swiler, L.P.; Phillips, C.

    1998-06-01T23:59:59.000Z

    This paper presents a graph-based approach to network vulnerability analysis. The method is flexible, allowing analysis of attacks from both outside and inside the network. It can analyze risks to a specific network asset, or examine the universe of possible consequences following a successful attack. The graph-based tool can identify the set of attack paths that have a high probability of success (or a low effort cost) for the attacker. The system could be used to test the effectiveness of making configuration changes, implementing an intrusion detection system, etc. The analysis system requires as input a database of common attacks, broken into atomic steps, specific network configuration and topology information, and an attacker profile. The attack information is matched with the network configuration information and an attacker profile to create a superset attack graph. Nodes identify a stage of attack, for example the class of machines the attacker has accessed and the user privilege level he or she has compromised. The arcs in the attack graph represent attacks or stages of attacks. By assigning probabilities of success on the arcs or costs representing level-of-effort for the attacker, various graph algorithms such as shortest-path algorithms can identify the attack paths with the highest probability of success.

  4. Sensor network based vehicle classification and license plate identification system

    SciTech Connect (OSTI)

    Frigo, Janette Rose [Los Alamos National Laboratory; Brennan, Sean M [Los Alamos National Laboratory; Rosten, Edward J [Los Alamos National Laboratory; Raby, Eric Y [Los Alamos National Laboratory; Kulathumani, Vinod K [WEST VIRGINIA UNIV.

    2009-01-01T23:59:59.000Z

    Typically, for energy efficiency and scalability purposes, sensor networks have been used in the context of environmental and traffic monitoring applications in which operations at the sensor level are not computationally intensive. But increasingly, sensor network applications require data and compute intensive sensors such video cameras and microphones. In this paper, we describe the design and implementation of two such systems: a vehicle classifier based on acoustic signals and a license plate identification system using a camera. The systems are implemented in an energy-efficient manner to the extent possible using commercially available hardware, the Mica motes and the Stargate platform. Our experience in designing these systems leads us to consider an alternate more flexible, modular, low-power mote architecture that uses a combination of FPGAs, specialized embedded processing units and sensor data acquisition systems.

  5. New No-Cost ANTFARM Tool Maps Control System Networks to Help...

    Energy Savers [EERE]

    New No-Cost ANTFARM Tool Maps Control System Networks to Help Implement Cyber Security Standards New No-Cost ANTFARM Tool Maps Control System Networks to Help Implement Cyber...

  6. Output Feedback Control and Optimal Bandwidth Allocation of Networked Control Systems

    E-Print Network [OSTI]

    Dong, Jiawei

    2013-04-12T23:59:59.000Z

    A networked control system (NCS) is a control system where sensors, actuators, and controllers are interconnected over a communication network. This dissertation presents a framework for modeling, stability analysis, optimal control, and bandwidth...

  7. 8/2/2007 David J Hill The Australian National University Networks 1 Short-course: Complex Systems

    E-Print Network [OSTI]

    Blennerhassett, Peter

    National University Networks 2 Lecture 4 · ANU Lab Net Con · Network theory · Internet · Power systems complex systems of interest can be modeled with a network structure (Dynamic) networks and control #12 National University Networks 3 ANU Lab Networks and Control Started 2005 Supported by · Federation

  8. Cyber-Security of Networked Control Systems Karl Henrik Johansson

    E-Print Network [OSTI]

    Johansson, Karl Henrik

    to cyber-threats with many poten@al points of aRacks · How systems · ARack on power network state es@mator · Stealthy minimum-effort a) but no disclosure resources ·If the zero is unstable, then the plant state can be moved

  9. A Control System for OFDM Networked Autonomous Underwater Vehicles

    E-Print Network [OSTI]

    Zhou, Shengli

    . INTRODUCTION Autonomous Underwater Vehicles (AUVs) belong to a group of unmanned robots that are usedA Control System for OFDM Networked Autonomous Underwater Vehicles Michael Zuba, Carlos Villa, haining.mo, zhengpeng, jiaxing.che, jcui}@engr.uconn.edu Abstract--Autonomous Underwater Vehicle (AUV

  10. Implementation of a Control Architecture for Networked Vehicle Systems

    E-Print Network [OSTI]

    Marques, Eduardo R. B.

    . INTRODUCTION The Underwater Systems and Technology Laboratory (LSTS) aims the creation of networked vehicles has already built autonomous vehicles of different types, namely Autonomous Underwater Vehicles (Madu- reira et al. (2009)), Autonomous Surface Vehicles (Ferreira et al. (2007)), Unmanned Air Vehicles (Gon

  11. Reduced-Order Predictive Outage Compensators for Networked Systems

    E-Print Network [OSTI]

    Johansson, Karl Henrik

    Reduced-Order Predictive Outage Compensators for Networked Systems Erik Henriksson Henrik Sandberg communication outage of several samples in situations when the radio environment is noisy and low transmission power is desirable. We propose a method to compensate for outages by introducing a predictive outage

  12. NADIR: A prototype system for detecting network and file system abuse

    SciTech Connect (OSTI)

    Hochberg, J.G.; Jackson, K.A.; Stallings, C.A.; McClary, J.F.; DuBois, D.H.; Ford, J.R.

    1992-01-01T23:59:59.000Z

    This paper describes the design of a prototype computer misuse detection system for the Los Alamos Notional Laboratory's Integrated Computing Network (ICN). This automated expert system, the Network Anomaly Detection and Intrusion Reporter (NADIR), streamlines and supplements the manual audit record review traditionally performed by security auditors. NADIR compares network activity, as summarized in weekly profiles of individual users and the ICN as a whole, against expert rules that define security policy, improper or suspicious behavior, and normal user activity. NADIR reports suspicious behavior to security auditors and provides tools to aid in follow-up investigations. This paper describes analysis by NADIR of two types of ICN activity: user authentication and access control, and mass file storage. It highlights system design issues of data handling, exploiting existing auditing systems, and performing audit analysis at the network level.

  13. NADIR: A prototype system for detecting network and file system abuse

    SciTech Connect (OSTI)

    Hochberg, J.G.; Jackson, K.A.; Stallings, C.A.; McClary, J.F.; DuBois, D.H.; Ford, J.R.

    1992-10-01T23:59:59.000Z

    This paper describes the design of a prototype computer misuse detection system for the Los Alamos Notional Laboratory`s Integrated Computing Network (ICN). This automated expert system, the Network Anomaly Detection and Intrusion Reporter (NADIR), streamlines and supplements the manual audit record review traditionally performed by security auditors. NADIR compares network activity, as summarized in weekly profiles of individual users and the ICN as a whole, against expert rules that define security policy, improper or suspicious behavior, and normal user activity. NADIR reports suspicious behavior to security auditors and provides tools to aid in follow-up investigations. This paper describes analysis by NADIR of two types of ICN activity: user authentication and access control, and mass file storage. It highlights system design issues of data handling, exploiting existing auditing systems, and performing audit analysis at the network level.

  14. Power-laws in recurrence networks from dynamical systems

    E-Print Network [OSTI]

    Y. Zou; J. Heitzig; R. V. Donner; J. F. Donges; J. D. Farmer; R. Meucci; S. Euzzor; N. Marwan; J. Kurths

    2012-03-15T23:59:59.000Z

    Recurrence networks are a novel tool of nonlinear time series analysis allowing the characterisation of higher-order geometric properties of complex dynamical systems based on recurrences in phase space, which are a fundamental concept in classical mechanics. In this Letter, we demonstrate that recurrence networks obtained from various deterministic model systems as well as experimental data naturally display power-law degree distributions with scaling exponents $\\gamma$ that can be derived exclusively from the systems' invariant densities. For one-dimensional maps, we show analytically that $\\gamma$ is not related to the fractal dimension. For continuous systems, we find two distinct types of behaviour: power-laws with an exponent $\\gamma$ depending on a suitable notion of local dimension, and such with fixed $\\gamma=1$.

  15. Neural Network Based Energy Storage System Modeling for Hybrid Electric Vehicles

    SciTech Connect (OSTI)

    Bhatikar, S. R.; Mahajan, R. L.; Wipke, K.; Johnson, V.

    1999-08-01T23:59:59.000Z

    Demonstrates the application of an artificial neural network (ANN) for modeling the energy storage system of a hybrid electric vehicle.

  16. On Cyber Security for Networked Control Systems

    E-Print Network [OSTI]

    Amin, Saurabh

    2011-01-01T23:59:59.000Z

    buildings and smart structures portend immense datavehicles and buildings equipped with smart meters). Thebuilding’s occupants). The operating systems of upcoming infrastructures such as smart

  17. Physical Modeling of Scaled Water Distribution System Networks.

    SciTech Connect (OSTI)

    O'Hern, Timothy J.; Hammond, Glenn Edward; Orear, Leslie ,; van Bloemen Waanders, Bart G.; Paul Molina; Ross Johnson

    2005-10-01T23:59:59.000Z

    Threats to water distribution systems include release of contaminants and Denial of Service (DoS) attacks. A better understanding, and validated computational models, of the flow in water distribution systems would enable determination of sensor placement in real water distribution networks, allow source identification, and guide mitigation/minimization efforts. Validation data are needed to evaluate numerical models of network operations. Some data can be acquired in real-world tests, but these are limited by 1) unknown demand, 2) lack of repeatability, 3) too many sources of uncertainty (demand, friction factors, etc.), and 4) expense. In addition, real-world tests have limited numbers of network access points. A scale-model water distribution system was fabricated, and validation data were acquired over a range of flow (demand) conditions. Standard operating variables included system layout, demand at various nodes in the system, and pressure drop across various pipe sections. In addition, the location of contaminant (salt or dye) introduction was varied. Measurements of pressure, flowrate, and concentration at a large number of points, and overall visualization of dye transport through the flow network were completed. Scale-up issues that that were incorporated in the experiment design include Reynolds number, pressure drop across nodes, and pipe friction and roughness. The scale was chosen to be 20:1, so the 10 inch main was modeled with a 0.5 inch pipe in the physical model. Controlled validation tracer tests were run to provide validation to flow and transport models, especially of the degree of mixing at pipe junctions. Results of the pipe mixing experiments showed large deviations from predicted behavior and these have a large impact on standard network operations models.3

  18. SYSTEM APPROACH-BASED BAYESIAN NETWORK TO AID MAINTENANCE OF MANUFACTURING PROCESS

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    for manufacturing systems. In addition, recent works on system safety and Bayesian Networks (BNs) are developedSYSTEM APPROACH-BASED BAYESIAN NETWORK TO AID MAINTENANCE OF MANUFACTURING PROCESS Weber P., Suhner explores a new methodology to develop Bayesian Network-based diagnosis and prognosis aids for manufacturing

  19. On Power Control for Wireless Sensor Networks: System Model, Middleware Component and Experimental Evaluation

    E-Print Network [OSTI]

    Johansson, Karl Henrik

    On Power Control for Wireless Sensor Networks: System Model, Middleware Component and Experimental: Power Control, Wireless Sensor Networks, Networked Embedded Systems. I. INTRODUCTION The design be applied due to low signal bandwidths in the control loop, highly nonlinear and uncertain system models

  20. Identifying modular flows on multilayer networks reveals highly overlapping organization in social systems

    E-Print Network [OSTI]

    De Domenico, Manlio; Arenas, Alex; Rosvall, Martin

    2014-01-01T23:59:59.000Z

    Unveiling the community structure of networks is a powerful methodology to comprehend interconnected systems across the social and natural sciences. To identify different types of functional modules in interaction data aggregated in a single network layer, researchers have developed many powerful methods. For example, flow-based methods have proven useful for identifying modular dynamics in weighted and directed networks that capture constraints on flow in the systems they represent. However, many networked systems consist of agents or components that exhibit multiple layers of interactions. Inevitably, representing this intricate network of networks as a single aggregated network leads to information loss and may obscure the actual organization. Here we propose a method based on compression of network flows that can identify modular flows in non-aggregated multilayer networks. Our numerical experiments on synthetic networks show that the method can accurately identify modules that cannot be identified in agg...

  1. SCADA System Security ECE 478 Network Security

    E-Print Network [OSTI]

    water treatment systems; electric power transmission, distribution, and generation; petroleum storage variety of industries including Electric power generation, transmission, and distribution, Environmental. A Human-machine interface allows the operator to view the state of the plant equipment. Dumb terminals

  2. Distributional properties of Euclidean distances in wireless networks involving road systems

    E-Print Network [OSTI]

    Schmidt, Volker

    1 Distributional properties of Euclidean distances in wireless networks involving road systems of large wireless networks. The network geometry is modelled by random geometric graphs, and the locations are closely related with the interference geometry and, consequently, the performance of wireless networks

  3. Licensing Support Network: An Electronic Discovery System

    SciTech Connect (OSTI)

    Gil, A. V.; Jensen, D.; McKinnon, B.

    2002-02-26T23:59:59.000Z

    The necessary authorization for the U. S. Department of Energy's (DOE) Office of Civilian Radioactive Waste Management (OCRWM) to submit a License Application (LA) is contingent upon the policy process defined in the Nuclear Waste Policy Act, as amended (NWPA), with some steps yet to occur. In spite of this uncertainty, the DOE must take prudent and appropriate action now, and over the next several years, to prepare for submittal of an application and to facilitate the U. S. Nuclear Regulatory Commission (NRC) review of this application, if the Yucca Mountain site is recommended and approved for repository development. One of these steps the DOE has taken involves working with the NRC's Advisory Review Panel to develop Licensing Support Network (LSN) requirements and guidelines. The NRC has made a prototype of the LSN web page available at www.LSNNET.gov. The OCRWM part of the LSN currently has an indefinite life cycle and may need to remain in existence until the repository is closed, which could be as long as 325 years.

  4. An Information Theoretic Location Verification System for Wireless Networks

    E-Print Network [OSTI]

    Yan, Shihao; Nevat, Ido; Peters, Gareth W

    2012-01-01T23:59:59.000Z

    As location-based applications become ubiquitous in emerging wireless networks, Location Verification Systems (LVS) are of growing importance. In this paper we propose, for the first time, a rigorous information-theoretic framework for an LVS. The theoretical framework we develop illustrates how the threshold used in the detection of a spoofed location can be optimized in terms of the mutual information between the input and output data of the LVS. In order to verify the legitimacy of our analytical framework we have carried out detailed numerical simulations. Our simulations mimic the practical scenario where a system deployed using our framework must make a binary Yes/No "malicious decision" to each snapshot of the signal strength values obtained by base stations. The comparison between simulation and analysis shows excellent agreement. Our optimized LVS framework provides a defence against location spoofing attacks in emerging wireless networks such as those envisioned for Intelligent Transport Systems, wh...

  5. Network Management Network Management

    E-Print Network [OSTI]

    that pertain to the operation, administration, maintenance, and provisioning of networked systems · Operation deals with keeping the network up (and the service provided by the network) · Administration involvesNetwork Management Pag. 1 Network Management Andrea Bianco Telecommunication Network Group Network

  6. A graph-based network-vulnerability analysis system

    SciTech Connect (OSTI)

    Swiler, L.P.; Phillips, C.; Gaylor, T.

    1998-05-03T23:59:59.000Z

    This paper presents a graph based approach to network vulnerability analysis. The method is flexible, allowing analysis of attacks from both outside and inside the network. It can analyze risks to a specific network asset, or examine the universe of possible consequences following a successful attack. The analysis system requires as input a database of common attacks, broken into atomic steps, specific network configuration and topology information, and an attacker profile. The attack information is matched with the network configuration information and an attacker profile to create a superset attack graph. Nodes identify a stage of attack, for example the class of machines the attacker has accessed and the user privilege level he or she has compromised. The arcs in the attack graph represent attacks or stages of attacks. By assigning probabilities of success on the arcs or costs representing level of effort for the attacker, various graph algorithms such as shortest path algorithms can identify the attack paths with the highest probability of success.

  7. A graph-based network-vulnerability analysis system

    SciTech Connect (OSTI)

    Swiler, L.P.; Phillips, C. [Sandia National Labs., Albuquerque, NM (United States); Gaylor, T. [3M, Austin, TX (United States). Visual Systems Div.

    1998-01-01T23:59:59.000Z

    This report presents a graph-based approach to network vulnerability analysis. The method is flexible, allowing analysis of attacks from both outside and inside the network. It can analyze risks to a specific network asset, or examine the universe of possible consequences following a successful attack. The analysis system requires as input a database of common attacks, broken into atomic steps, specific network configuration and topology information, and an attacker profile. The attack information is matched with the network configuration information and an attacker profile to create a superset attack graph. Nodes identify a stage of attack, for example the class of machines the attacker has accessed and the user privilege level he or she has compromised. The arcs in the attack graph represent attacks or stages of attacks. By assigning probabilities of success on the arcs or costs representing level-of-effort for the attacker, various graph algorithms such as shortest-path algorithms can identify the attack paths with the highest probability of success.

  8. High-speed and high-fidelity system and method for collecting network traffic

    DOE Patents [OSTI]

    Weigle, Eric H. (Los Alamos, NM)

    2010-08-24T23:59:59.000Z

    A system is provided for the high-speed and high-fidelity collection of network traffic. The system can collect traffic at gigabit-per-second (Gbps) speeds, scale to terabit-per-second (Tbps) speeds, and support additional functions such as real-time network intrusion detection. The present system uses a dedicated operating system for traffic collection to maximize efficiency, scalability, and performance. A scalable infrastructure and apparatus for the present system is provided by splitting the work performed on one host onto multiple hosts. The present system simultaneously addresses the issues of scalability, performance, cost, and adaptability with respect to network monitoring, collection, and other network tasks. In addition to high-speed and high-fidelity network collection, the present system provides a flexible infrastructure to perform virtually any function at high speeds such as real-time network intrusion detection and wide-area network emulation for research purposes.

  9. The Importance, Design and Implementation of a Middleware for Networked Control Systems

    E-Print Network [OSTI]

    that of classical control systems. An example of such a system, an automatic traffic control system, establishedThe Importance, Design and Implementation of a Middleware for Networked Control Systems Kyoung, networked control systems may soon become prevalent in many control applica- tions. While the capability

  10. Network QoS Management in Cyber-Physical Systems

    E-Print Network [OSTI]

    Xia, Feng; Dong, Jinxiang; Sun, Youxian

    2008-01-01T23:59:59.000Z

    Technical advances in ubiquitous sensing, embedded computing, and wireless communication are leading to a new generation of engineered systems called cyber-physical systems (CPS). CPS promises to transform the way we interact with the physical world just as the Internet transformed how we interact with one another. Before this vision becomes a reality, however, a large number of challenges have to be addressed. Network quality of service (QoS) management in this new realm is among those issues that deserve extensive research efforts. It is envisioned that wireless sensor/actuator networks (WSANs) will play an essential role in CPS. This paper examines the main characteristics of WSANs and the requirements of QoS provisioning in the context of cyber-physical computing. Several research topics and challenges are identified. As a sample solution, a feedback scheduling framework is proposed to tackle some of the identified challenges. A simple example is also presented that illustrates the effectiveness of the pr...

  11. A Privacy Preservation Model for Facebook-like Social Network Systems

    E-Print Network [OSTI]

    Regina, University of

    A Privacy Preservation Model for Facebook-like Social Network Systems Philip W. L. Fong, Mohd Anwar-0-7731-0659 (print) ISBN 978-0-7731-0660 (online) #12;A Privacy Preservation Model for Facebook-Like Social Network growth in the popularity of social network systems, with Facebook being an archetypical example. Due

  12. A Passivity Framework for Modeling and Mitigating Wormhole Attacks on Networked Control Systems

    E-Print Network [OSTI]

    Poovendran, Radha

    Cyber-physical systems that are deployed over a wide geographic area often consist of distributed Phillip Lee, Andrew Clark, Linda Bushnell, and Radha Poovendran Network Security Lab, Dept. of Electrical--Networked control systems consist of distributed sensors and actuators that communicate via a wireless network

  13. FEL3330/EL2910 Networked and Multi-Agent Control Systems

    E-Print Network [OSTI]

    Dimarogonas, Dimos

    FEL3330/EL2910 Networked and Multi-Agent Control Systems Spring 2013 Automatic Control School of Electrical Engineering Royal Institute of Technology Lecture 1 1 May 6, 2013 #12;FEL3330/EL2910 Networked #12;FEL3330/EL2910 Networked and Multi-Agent Control Systems Lecture 1: Introduction · Practical

  14. Energy-Aware Routing in Sensor Networks: A Large Systems Approach

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Energy-Aware Routing in Sensor Networks: A Large Systems Approach Longbi Lin, Ness B. Shroff, and R capacity. Index Terms-- Energy-Aware Routing, Sensor Network, Large System, Mathematical Programming/Optimization, Simulations I. INTRODUCTION Energy-aware routing problem in sensor networks has received significant attention

  15. An acquisition system based on a network of microvax's running the realtime DEC VAXELN operating system

    SciTech Connect (OSTI)

    D'Antone, I.; Mandrioli, G.; Matteuzzi, P.; Sanzani, G. (Bologna Univ. (Italy). Dipt. di Fisica); Bloise, C.; Grillo, A.F.; Marini, A.; Ronga, F. (INFN Laboratori Nazionali di Frascati, C.P.13, 00044 Frascati (IT)); Baldini, A. (Via Livornese, San Piero a Grado, 56100 Pisa (IT)); Mancarella, G.; Palamara, O.; Surdo, A. (Lecce Univ. (Italy). Ist. di Fisica)

    1989-10-01T23:59:59.000Z

    The authors describe an acquisition system based on a network (Ethernet/DECNET) of MicroVAX's running in the VAXELN environment. VAXELN is a Digital Equipment software product for the development of dedicated, real time systems for VAX processors. A central VAX running under the VAX/VMS operating system is used as file server and as an interface of the acquisition system with respect to the user's world.

  16. End-System Network Interface Controller for 100 Gb/s Wide Area Networks: Final Report

    SciTech Connect (OSTI)

    Wen, Jesse

    2013-08-30T23:59:59.000Z

    In recent years, network bandwidth requirements have scaled multiple folds, pushing the need for the development of data exchange mechanisms at 100 Gb/s and beyond. High performance computing, climate modeling, large-scale storage, and collaborative scientific research are examples of applications that can greatly benefit by leveraging high bandwidth capabilities of the order of 100 Gb/s. Such requirements and advances in IEEE Ethernet standards, Optical Transport Unit4 (OTU4), and host-system interconnects demand a network infrastructure supporting throughput rates of the order of 100 Gb/s with a single wavelength. To address such a demand Acadia Optronics in collaboration with the University of New Mexico, proposed and developed a end-system Network Interface Controller (NIC) for the 100Gbps WANs. Acadia’s 100G NIC employs an FPGA based system with a high-performance processor interconnect (PCIe 3.0) and a high capacity optical transmission link (CXP) to provide data transmission at the rate of 100 Gbps.

  17. Hybrid Control Network Intrusion Detection Systems for Automated Power Distribution Systems

    E-Print Network [OSTI]

    Peisert, Sean

    ) for protecting automated distribution systems (ADS) against certain types of cyber attacks in a new way, distribution au- tomation, network security, intrusion detection systems. I. INTRODUCTION A. Scope and Goals their development with that of an appropriate cyber security frame- work that would prevent attackers from gaining

  18. Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Related Information

    E-Print Network [OSTI]

    Brody, James P.

    Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Related Information Vice Chancellor Gomez's Letter to Students UCI's Computer & Network Use Policy OIT Copyright Policy Resources Page University

  19. Designing High Performance, Reliable, and Energy-Efficient Networked Computing Systems for the Future

    E-Print Network [OSTI]

    Xu, Cheng-Zhong

    of Center for Networked Computing Systems (CNC), is dedicated to the investigation, establishment-to- end QoS consists of network and server www.wayne.edu Router #12;time and adjust the amount

  20. Augmenting Trust Establishment in Dynamic Systems with Social Networks

    SciTech Connect (OSTI)

    Lagesse, Brent J [ORNL] [ORNL; Kumar, Mohan [University of Texas, Arlington] [University of Texas, Arlington; Venkatesh, Svetha [Curtin University of Technology, Perth, Australia] [Curtin University of Technology, Perth, Australia; Lazarescu, Mihai [Curtin University of Technology, Perth, Australia] [Curtin University of Technology, Perth, Australia

    2010-01-01T23:59:59.000Z

    Social networking has recently flourished in popularity through the use of social websites. Pervasive computing resources have allowed people stay well-connected to each other through access to social networking resources. We take the position that utilizing information produced by relationships within social networks can assist in the establishment of trust for other pervasive computing applications. Furthermore, we describe how such a system can augment a sensor infrastructure used for event observation with information from mobile sensors (ie, mobile phones with cameras) controlled by potentially untrusted third parties. Pervasive computing systems are invisible systems, oriented around the user. As a result, many future pervasive systems are likely to include a social aspect to the system. The social communities that are developed in these systems can augment existing trust mechanisms with information about pre-trusted entities or entities to initially consider when beginning to establish trust. An example of such a system is the Collaborative Virtual Observation (CoVO) system fuses sensor information from disaparate sources in soft real-time to recreate a scene that provides observation of an event that has recently transpired. To accomplish this, CoVO must efficently access services whilst protecting the data from corruption from unknown remote nodes. CoVO combines dynamic service composition with virtual observation to utilize existing infrastructure with third party services available in the environment. Since these services are not under the control of the system, they may be unreliable or malicious. When an event of interest occurs, the given infrastructure (bus cameras, etc.) may not sufficiently cover the necessary information (be it in space, time, or sensor type). To enhance observation of the event, infrastructure is augmented with information from sensors in the environment that the infrastructure does not control. These sensors may be unreliable, uncooperative, or even malicious. Additionally, to execute queries in soft real-time, processing must be distributed to available systems in the environment. We propose to use information from social networks to satisfy these requirements. In this paper, we present our position that knowledge gained from social activities can be used to augment trust mechanisms in pervasive computing. The system uses social behavior of nodes to predict a subset that it wants to query for information. In this context, social behavior such as transit patterns and schedules (which can be used to determine if a queried node is likely to be reliable) or known relationships, such as a phone's address book, that can be used to determine networks of nodes that may also be able to assist in retrieving information. Neither implicit nor explicit relationships necessarily imply that the user trusts an entity, but rather will provide a starting place for establishing trust. The proposed framework utilizes social network information to assist in trust establishment when third-party sensors are used for sensing events.

  1. Algorithms, Protocols & Systems for Remote Observation Using Networked Robotic Cameras

    E-Print Network [OSTI]

    Qin, Ni

    2010-01-16T23:59:59.000Z

    assist in waste cleanup using Point- and-Direct (PAD) commands. Users point to cleanup locations in a shared image and a robot excavates each location in turn. Recent developments in MOSR systems can be found in [26,27]. In [27] Goldberg et al. propose...ALGORITHMS, PROTOCOLS AND SYSTEMS FOR REMOTE OBSERVATION USING NETWORKED ROBOTIC CAMERAS A Dissertation by NI QIN Submitted to the O?ce of Graduate Studies of Texas A&M University in partial fulflllment of the requirements for the degree of DOCTOR...

  2. Paradigms for Mobile Agent-Based Active Monitoring of Network Systems

    E-Print Network [OSTI]

    Tripathi, Anand

    Paradigms for Mobile Agent-Based Active Monitoring of Network Systems Anand Tripathi, Tanvir a framework together with a set of paradigms for mobile agent based active monitoring of network systems system policies. A system administrator can securely modify the monitor- ing policies and information

  3. An Artificial Hormone System for Self-organization of Networked Nodes

    E-Print Network [OSTI]

    Ungerer, Theo

    An Artificial Hormone System for Self-organization of Networked Nodes Wolfgang Trumler, Tobias) as a general approach to build self-organizing systems based on networked nodes. The Artificial Hormone System an abstract point of view with focus on the mechanisms that were transferred to the Artificial Hormone System

  4. Monitoring nuclear reactor systems using neural networks and fuzzy logic

    SciTech Connect (OSTI)

    Ikonomopoulos, A.; Tsoukalas, L.H.; Uhrig, R.E. [Tennessee Univ., Knoxville, TN (United States); Mullens, J.A. [Tennessee Univ., Knoxville, TN (United States)]|[Oak Ridge National Lab., TN (United States)

    1991-12-01T23:59:59.000Z

    A new approach is presented that demonstrates the potential of trained artificial neural networks (ANNs) as generators of membership functions for the purpose of monitoring nuclear reactor systems. ANN`s provide a complex-to-simple mapping of reactor parameters in a process analogous to that of measurement. Through such ``virtual measurements`` the value of parameters with operational significance, e.g., control-valve-disk-position, valve-line-up or performance can be determined. In the methodology presented the output of a virtual measuring device is a set of membership functions which independently represent different states of the system. Utilizing a fuzzy logic representation offers the advantage of describing the state of the system in a condensed form, developed through linguistic descriptions and convenient for application in monitoring, diagnostics and generally control algorithms. The developed methodology is applied to the problem of measuring the disk position of the secondary flow control valve of an experimental reactor using data obtained during a start-up. The enhanced noise tolerance of the methodology is clearly demonstrated as well as a method for selecting the actual output. The results suggest that it is possible to construct virtual measuring devices through artificial neural networks mapping dynamic time series to a set of membership functions and thus enhance the capability of monitoring systems. 8 refs., 11 figs., 1 tab.

  5. Sun's Network File System (NFS) One of the first uses of distributed client/server computing was

    E-Print Network [OSTI]

    Sheridan, Jennifer

    34 Sun's Network File System (NFS) One of the first uses of distributed client/server computing of data across clients. Thus, if 1 #12;2 SUN'S NETWORK FILE SYSTEM (NFS) you access a file on one machine-DUSSEAU #12;SUN'S NETWORK FILE SYSTEM (NFS) 3 even; in the best such case, no network traffic need be gener

  6. A M E N I T Y A N A L Y S I S Hughes Stadium Existing NSF Proposed On Campus Stadium NSF Delta

    E-Print Network [OSTI]

    and Construction #12;Comparing Amenities - Hughes and a Proposed New On Campus Stadium Materials Used to complete buiding #1901 ­ Hughes Stadium · Proposed Draft Building Program, New Football Stadium, Populous, June 19 Services · Hall of Fame · Alumni Center A simplified spreadsheet was used to approximate and group building

  7. Controllable quantum information network with a superconducting system

    SciTech Connect (OSTI)

    Zhang, Feng-yang, E-mail: zhangfy@mail.dlut.edu.cn [School of Physics and Materials Engineering, Dalian Nationalities University, Dalian 116600 (China); Liu, Bao [Beijing Computational Science Research Center (CSRC), Beijing 100084 (China); Chen, Zi-hong [School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024 (China); Wu, Song-lin [School of Physics and Materials Engineering, Dalian Nationalities University, Dalian 116600 (China); Song, He-shan [School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024 (China)

    2014-07-15T23:59:59.000Z

    We propose a controllable and scalable architecture for quantum information processing using a superconducting system network, which is composed of current-biased Josephson junctions (CBJJs) as tunable couplers between the two superconducting transmission line resonators (TLRs), each coupling to multiple superconducting qubits (SQs). We explicitly demonstrate that the entangled state, the phase gate, and the information transfer between any two selected SQs can be implemented, respectively. Lastly, numerical simulation shows that our scheme is robust against the decoherence of the system. -- Highlights: •An architecture for quantum information processing is proposed. •The quantum information transfer between any two selected SQs is implemented. •This proposal is robust against the decoherence of the system. •This architecture can be fabricated on a chip down to the micrometer scale.

  8. Critical Node Identification of Smart Power System Using Complex Network Framework Based

    E-Print Network [OSTI]

    Pota, Himanshu Roy

    transmission networks, in which a DC power flow model and overloading of lines is embedded into the traditional or node removal can cause serious impact on normal system operation. Removal of transmission lines from characteristics and complex network theory together. Particularly, electric power networks are quite different

  9. Smart Engineering System Design, vol. 4:243-252, 2002 NETWORK CONGESTION ARBITRATION AND SOURCE PROBLEM

    E-Print Network [OSTI]

    Varela, Carlos

    to address the problem. However, these tools simply give the network administrator a great deal1 Smart Engineering System Design, vol. 4:243-252, 2002 NETWORK CONGESTION ARBITRATION AND SOURCE PROBLEM PREDICTION USING NEURAL NETWORKS J. ALAN BIVENS Computer Science Rensselaer Polytechnic Institute

  10. An Electricity Trade Model for Multiple Power Distribution Networks in Smart Energy Systems

    E-Print Network [OSTI]

    Pedram, Massoud

    . A microgrid is a small scale power network, which contains one or multiple types of renewable power generators complicated with the adoption of energy storage [5]. For a power network, the amount of energy generationAn Electricity Trade Model for Multiple Power Distribution Networks in Smart Energy Systems

  11. Evolving artificial neural networks to control chaotic systems Eric R. Weeks* and John M. Burgess

    E-Print Network [OSTI]

    Weeks, Eric R.

    Evolving artificial neural networks to control chaotic systems Eric R. Weeks* and John M. Burgess 78712 Received 7 April 1997 We develop a genetic algorithm that produces neural network feedback of unstable fixed points. This is the first dimension- independent algorithm that produces neural network

  12. Evolving artificial neural networks to control chaotic systems Eric R. Weeks* and John M. Burgess +

    E-Print Network [OSTI]

    Weeks, Eric R.

    Evolving artificial neural networks to control chaotic systems Eric R. Weeks* and John M. Burgess 78712 ~Received 7 April 1997! We develop a genetic algorithm that produces neural network feedback a robust method of train­ ing neural networks to control chaos. The method makes no assumptions about

  13. archiving communication system: Topics by E-print Network

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

    Synchronization with Channel Estimation in Multi-Relay Cooperative Networks", IEEE Trans. Signal Process., vol. 60 Cooperative Networks", in Proc. IEEE International Conference on...

  14. atomos communication system: Topics by E-print Network

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

    Synchronization with Channel Estimation in Multi-Relay Cooperative Networks", IEEE Trans. Signal Process., vol. 60 Cooperative Networks", in Proc. IEEE International Conference on...

  15. analog communication systems: Topics by E-print Network

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

    Synchronization with Channel Estimation in Multi-Relay Cooperative Networks", IEEE Trans. Signal Process., vol. 60 Cooperative Networks", in Proc. IEEE International Conference on...

  16. Structural Health Monitoring Using Neural Network Based Vibrational System Identification

    E-Print Network [OSTI]

    Sofge, Donald A

    2007-01-01T23:59:59.000Z

    Composite fabrication technologies now provide the means for producing high-strength, low-weight panels, plates, spars and other structural components which use embedded fiber optic sensors and piezoelectric transducers. These materials, often referred to as smart structures, make it possible to sense internal characteristics, such as delaminations or structural degradation. In this effort we use neural network based techniques for modeling and analyzing dynamic structural information for recognizing structural defects. This yields an adaptable system which gives a measure of structural integrity for composite structures.

  17. Statistical physics of networks, information and complex systems

    SciTech Connect (OSTI)

    Ecke, Robert E [Los Alamos National Laboratory

    2009-01-01T23:59:59.000Z

    In this project we explore the mathematical methods and concepts of statistical physics that are fmding abundant applications across the scientific and technological spectrum from soft condensed matter systems and bio-infonnatics to economic and social systems. Our approach exploits the considerable similarity of concepts between statistical physics and computer science, allowing for a powerful multi-disciplinary approach that draws its strength from cross-fertilization and mUltiple interactions of researchers with different backgrounds. The work on this project takes advantage of the newly appreciated connection between computer science and statistics and addresses important problems in data storage, decoding, optimization, the infonnation processing properties of the brain, the interface between quantum and classical infonnation science, the verification of large software programs, modeling of complex systems including disease epidemiology, resource distribution issues, and the nature of highly fluctuating complex systems. Common themes that the project has been emphasizing are (i) neural computation, (ii) network theory and its applications, and (iii) a statistical physics approach to infonnation theory. The project's efforts focus on the general problem of optimization and variational techniques, algorithm development and infonnation theoretic approaches to quantum systems. These efforts are responsible for fruitful collaborations and the nucleation of science efforts that span multiple divisions such as EES, CCS, 0 , T, ISR and P. This project supports the DOE mission in Energy Security and Nuclear Non-Proliferation by developing novel infonnation science tools for communication, sensing, and interacting complex networks such as the internet or energy distribution system. The work also supports programs in Threat Reduction and Homeland Security.

  18. Distributed Optimization, Estimation, and Control of Networked Systems through Event-triggered Message Passing

    E-Print Network [OSTI]

    Lemmon, Michael

    -triggered Message Passing 1 Introduction This project will investigate distributed optimization, estimation, and control of networked systems through the use of event-triggered message passing. Networked systems consist of distributed decision systems. Indi- vidual agents coordinate their actions through message exchanges

  19. Pollution Attacks and Defenses in Wireless Inter-flow Network Coding Systems

    E-Print Network [OSTI]

    Curtmola, Reza

    1 Pollution Attacks and Defenses in Wireless Inter-flow Network Coding Systems Jing Dong, Reza Abstract--We study data pollution attacks in wireless inter-flow network coding systems. Although several the existing systems, and use it to analyze the impact of pollution attacks. Our analysis shows

  20. Dynamic evidential networks in system reliability analysis: A Dempster Shafer Approach

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Dynamic evidential networks in system reliability analysis: A Dempster Shafer Approach Philippe for modeling and analyzing the system reliability based on Dynamic Evidential Networks (DEN). This method. The current system state determine the probability distribution over the next states. In the work reported

  1. BLACK-BOX MODELLING OF HVAC SYSTEM: IMPROVING THE PERFORMANCES OF NEURAL NETWORKS

    E-Print Network [OSTI]

    Boyer, Edmond

    BLACK-BOX MODELLING OF HVAC SYSTEM: IMPROVING THE PERFORMANCES OF NEURAL NETWORKS Eric FOCK Ile de La Réunion - FRANCE ABSTRACT This paper deals with neural networks modelling of HVAC systems of HVAC system can be modelled using manufacturer design data presented as derived performance maps

  2. Network Working Group S. Bryant, Ed. Request for Comments: 3985 Cisco Systems

    E-Print Network [OSTI]

    Wood, Lloyd

    Network Working Group S. Bryant, Ed. Request for Comments: 3985 Cisco Systems Category . . . . . . . . . . . . . . . . . . . . . . . . . 17 5. PW Encapsulation. . . . . . . . . . . . . . . . . . . . . . . 18 Bryant & Pate Standards Track

  3. Investigation of broadband over power line channel capacity of shipboard power system cables for ship communications networks 

    E-Print Network [OSTI]

    Akinnikawe, Ayorinde

    2009-05-15T23:59:59.000Z

    and networking has led to suggestions of applying BPL in other systems including ships. The application of BPL technology using the Shipboard Power System (SPS) as a potential communications network for ship automation systems has been proposed, to achieve recent...

  4. Network Economics Anna Nagurney

    E-Print Network [OSTI]

    Nagurney, Anna

    Performance/Efficiency Measure with Applications to a Variety of Network Systems · Transportation Network with transportation as the unifying application. #12;Subway Network Railroad Network Iridium Satellite Constellation Network Satellite and Undersea Cable Networks Duke Energy Gas Pipeline Network Transportation

  5. A Stochastic Calculus for Network Systems with Renewable Energy Sources

    E-Print Network [OSTI]

    Wu, Kui; Marinakis, Dimitri

    2011-01-01T23:59:59.000Z

    We consider the performance modeling and evaluation of network systems powered with renewable energy sources such as solar and wind energy. Such energy sources largely depend on environmental conditions, which are hard to predict accurately. As such, it may only make sense to require the network systems to support a soft quality of service (QoS) guarantee, i.e., to guarantee a service requirement with a certain high probability. In this paper, we intend to build a solid mathematical foundation to help better understand the stochastic energy constraint and the inherent correlation between QoS and the uncertain energy supply. We utilize a calculus approach to model the cumulative amount of charged energy and the cumulative amount of consumed energy. We derive upper and lower bounds on the remaining energy level based on a stochastic energy charging rate and a stochastic energy discharging rate. By building the bridge between energy consumption and task execution (i.e., service), we study the QoS guarantee under...

  6. Preliminary systems engineering evaluations for the National Ecological Observatory Network.

    SciTech Connect (OSTI)

    Robertson, Perry J.; Kottenstette, Richard Joseph; Crouch, Shannon M.; Brocato, Robert Wesley; Zak, Bernard Daniel; Osborn, Thor D.; Ivey, Mark D.; Gass, Karl Leslie; Heller, Edwin J.; Dishman, James Larry; Schubert, William Kent; Zirzow, Jeffrey A.

    2008-11-01T23:59:59.000Z

    The National Ecological Observatory Network (NEON) is an ambitious National Science Foundation sponsored project intended to accumulate and disseminate ecologically informative sensor data from sites among 20 distinct biomes found within the United States and Puerto Rico over a period of at least 30 years. These data are expected to provide valuable insights into the ecological impacts of climate change, land-use change, and invasive species in these various biomes, and thereby provide a scientific foundation for the decisions of future national, regional, and local policy makers. NEON's objectives are of substantial national and international importance, yet they must be achieved with limited resources. Sandia National Laboratories was therefore contracted to examine four areas of significant systems engineering concern; specifically, alternatives to commercial electrical utility power for remote operations, approaches to data acquisition and local data handling, protocols for secure long-distance data transmission, and processes and procedures for the introduction of new instruments and continuous improvement of the sensor network. The results of these preliminary systems engineering evaluations are presented, with a series of recommendations intended to optimize the efficiency and probability of long-term success for the NEON enterprise.

  7. Synchronization of Networked Jahn-Teller Systems in Circuit QED

    E-Print Network [OSTI]

    Yusuf Gul

    2014-12-29T23:59:59.000Z

    We consider the nonlinear e?ects in Jahn-Teller system of two coupled resonators interacting simultaneously with ux qubit using Circuit QED. Two frequency description of Jahn Teller system that inherits the networked structure of both nonlinear Josephson Junctions and harmonic oscillators is employed to describe the synchronous structures in multifrequency scheme. Emergence of dominating mode is investigated to analyze frequency locking by eigenvalue spectrum. Rabi Supersplitting and asymmetry of side peaks in power spectrum is tuned for coupled and uncoupled synchronous con?gurations in terms of frequency entrainment switched by coupling strength between resonators. Second order coherence functions are employed to investigate self-sustained oscillations in resonator mode and qubit dephasing. Snychronous structure between correlations of priviledged mode and qubit is obtained in localization-delocalization and photon blockade regime controlled by the population imbalance.

  8. Innovation Systems as Patent Networks: The Netherlands, India and Nanotech

    E-Print Network [OSTI]

    Dolfsma, Wilfred

    2011-01-01T23:59:59.000Z

    Research in the domain of 'Innovation Studies' has been claimed to allow for the study of how technology will develop in the future. Some suggest that the National and Sectoral Innovation Systems literature has become bogged down, however, into case studies of how specific institutions affect innovation in a specific country. A useful notion for policy makers in particular, Balzat & Hanusch (2004) argued that there is a need for NIS studies to develop complementary and also quantitative methods in order to generate new insights that are comparable across national borders. We use data for patents granted by the World Intellectual Property Organization (WIPO) to map innovation systems. Groupings of patents into primary and secondary classes (co-classification) can be used as relational indicators. Knowledge from one class may be more easily used in another class when a co-classification relation exists. Using social network analysis, we map the co-classification of patents among classes and thus indicate wh...

  9. Active control of SDF systems using artificial neural networks.

    SciTech Connect (OSTI)

    Tang, Y.; Reactor Engineering

    1997-01-01T23:59:59.000Z

    A study of the application of artificial neural networks (ANNs) to active structural control is presented. A simple effective strategy for the on-line control of single-degree-of-freedom (SDF) structures is proposed. The strategy is to apply the control force at every time step to destroy the buildup of the system response, and the control force needed for the next time step is fully determined from the information available at the current time ; therefore the time delay associated with the control algorithm is eliminated. The control algorithm can be implemented for either a closed or open-closed loop controller. The controller uses a trained ANN to determine the control force such that the velocity induced at the preceding time step is canceled. A feedforward neural network with an adaptive backpropagation training method is used in this study. In the backpropagation training, the learning rate is determined by ensuring the decrease of the error function of the input-output training patterns at each training cycle. Numerical examples of SDF systems under earthquake excitations are given to illustrate the effectiveness of the proposed control strategy. The uncertainties in the time history of the excitation and in the modeling of the system, including the magnitudes of the excitations, the natural frequency and nonlinearity of the systems are examined. Significant reduction of the response is observed. Also, is shown that the proposed control strategy has the ability to reduce the peak that occurs during the first few cycles of the time history, an ability that linear control laws lack.

  10. Controlled synthesis and manipulation of ZnO nanorings and nanobows William L. Hughes and Zhong L. Wanga

    E-Print Network [OSTI]

    Wang, Zhong L.

    Controlled synthesis and manipulation of ZnO nanorings and nanobows William L. Hughes and Zhong L An experimental procedure is presented for the controlled synthesis and manipulation of ZnO nanorings and nanobows at high purity and large yield. Atomic force microscopy manipulation of the nanostructures demonstrates

  11. Optical Wireless based on High Brightness Visible LEDs Grantham Pang, Thomas Kwan, Hugh Liu, Chi-Ho Chan

    E-Print Network [OSTI]

    Pang, Grantham

    and encoded with audio or data signal. Hence, an LED indicator lamp or traffic light can become an information for incandescent lamps [3,4]. This advancement has led to the production of large- area full-color LED displaysOptical Wireless based on High Brightness Visible LEDs Grantham Pang, Thomas Kwan, Hugh Liu, Chi

  12. DUAL USE OF LEDS: SIGNALING AND COMMUNICATIONS IN ITS Grantham Pang, Chi-ho Chan, Hugh Liu, Thomas Kwan

    E-Print Network [OSTI]

    Pang, Grantham

    of an incandescent lamp is 800 hours while the life expectancy of LED is 10-23 years. This result shows that LED has : · LED indicator lamps (as in some dashboard, traffic signals, card readers). · LED displays (1 DUAL USE OF LEDS: SIGNALING AND COMMUNICATIONS IN ITS Grantham Pang, Chi-ho Chan, Hugh Liu

  13. A stabilized mixed finite element method for Darcy flow Arif Masud a,*, Thomas J.R. Hughes b

    E-Print Network [OSTI]

    Masud, Arif

    , advective­diffusive equations for concentrations are coupled to the Darcy flow equation. For examplesA stabilized mixed finite element method for Darcy flow Arif Masud a,*, Thomas J.R. Hughes b element methods for Darcy flow. Stability and an a priori error estimate in the ``stability norm

  14. A Review of "The Complete Works of Gerrard Winstanley" edited by Thomas N. Corns, Ann Hughes, and David Loewenstein

    E-Print Network [OSTI]

    Hayes, Tom

    2011-01-01T23:59:59.000Z

    -modern English politics for some time to come. Thomas N. Corns, Ann Hughes, and David Loewenstein, eds. The Complete Works of Gerrard Winstanley. Oxford: Oxford University Press, 2009. Vol. I. xi+600pp. Vol. II. 465pp. $335. Review by tom hayes, baruch...

  15. Committees 2009-2010 as of August 11, 2009 Building Hughes,Blumberg,N.Andrei,Lath,Koller,Cheong

    E-Print Network [OSTI]

    Glashausser, Charles

    Sheet1 Committees 2009-2010 as of August 11, 2009 Building Hughes,Leath,Gustafsson, Strassler, Baker(S), Feldman Graduate Admissions Kloet, Haule, Chandra, Jha, Lath,Sengupta,Wu, Kiryukhin, Friedan, Zamolodchikov Graduate Recruiting Thomas, Baker(S),Moore,Yuzbashyan, Oh, Gershtein + 2 grad

  16. Calculating a checksum with inactive networking components in a computing system

    DOE Patents [OSTI]

    Aho, Michael E; Chen, Dong; Eisley, Noel A; Gooding, Thomas M; Heidelberger, Philip; Tauferner, Andrew T

    2014-12-16T23:59:59.000Z

    Calculating a checksum utilizing inactive networking components in a computing system, including: identifying, by a checksum distribution manager, an inactive networking component, wherein the inactive networking component includes a checksum calculation engine for computing a checksum; sending, to the inactive networking component by the checksum distribution manager, metadata describing a block of data to be transmitted by an active networking component; calculating, by the inactive networking component, a checksum for the block of data; transmitting, to the checksum distribution manager from the inactive networking component, the checksum for the block of data; and sending, by the active networking component, a data communications message that includes the block of data and the checksum for the block of data.

  17. G-NetMon: a GPU-accelerated network performance monitoring system

    SciTech Connect (OSTI)

    Wu, Wenji; DeMar, Phil; Holmgren, Don; Singh, Amitoj; /Fermilab

    2011-06-01T23:59:59.000Z

    At Fermilab, we have prototyped a GPU-accelerated network performance monitoring system, called G-NetMon, to support large-scale scientific collaborations. In this work, we explore new opportunities in network traffic monitoring and analysis with GPUs. Our system exploits the data parallelism that exists within network flow data to provide fast analysis of bulk data movement between Fermilab and collaboration sites. Experiments demonstrate that our G-NetMon can rapidly detect sub-optimal bulk data movements.

  18. Advanced System Design of In-Building Wireless Communication Networks Using

    E-Print Network [OSTI]

    Stancil, Daniel D.

    Advanced System Design of In-Building Wireless Communication Networks Using Ventilation Ducts design an IEEE 802.11g wireless system that uses ventilation ducts to distribute the signals throughout modifications and antenna excitations we have tried, chronicling how to best install wireless local area network

  19. iPower: An Energy Conservation System for Intelligent Buildings by Wireless Sensor Networks

    E-Print Network [OSTI]

    Tseng, Yu-Chee

    iPower: An Energy Conservation System for Intelligent Buildings by Wireless Sensor Networks Yu-aware capability of WSN to achieve energy conservation in intelligent buildings is an attractive direction. We therefore propose an intelligent and personalized energy-conservation system by wireless sensor networks (i

  20. A Privacy Preservation Model for Facebook-Style Social Network Systems

    E-Print Network [OSTI]

    A Privacy Preservation Model for Facebook-Style Social Network Systems Philip W. L. Fong1 , Mohd network systems, with Facebook being an archetypical example. The access control paradigm behind the privacy preservation mechanism of Facebook is dis- tinctly different from such existing access control

  1. Active Network Approach to the Design of Secure Online Auction Systems Basem Shihada and Sampalli Srinivas

    E-Print Network [OSTI]

    Shihada, Basem

    to perform computations up to the application layer. The result is a more flexible and powerful networkActive Network Approach to the Design of Secure Online Auction Systems Basem Shihada and Sampalli} @cs.dal.ca ABSTRACT Online auction systems require high-speed bid transmission, large bandwidth

  2. Minimax Control For Cyber-Physical Systems under Network Packet Scheduling Attacks

    E-Print Network [OSTI]

    Johansson, Karl Henrik

    Minimax Control For Cyber-Physical Systems under Network Packet Scheduling Attacks Yasser Shoukry. Unfortunately, this re- liance on networks also brings new security vulnerabilities for con- trol systems. We and distribute reprints for Governmental purposes notwith- standing any copyright notation thereon. The views

  3. Network Processes in Evolving Systems Wed Jan 28'04 Doug White (working paper for RFG)

    E-Print Network [OSTI]

    White, Douglas R.

    and Sustainability Centralization and Power Law Connectivity Vulnerability Organization Ridge Structure (see below) 4Network Processes in Evolving Systems Wed Jan 28'04 Doug White (working paper for RFG) OUTLINE Processes in Evolving Systems Wed Jan 28'04 Doug White 1. Outlook: Network Processes, Topological Effects

  4. Process Planning Using An Integrated Expert System And Neural Network Approach

    E-Print Network [OSTI]

    Smith, Alice E.

    Process Planning Using An Integrated Expert System And Neural Network Approach 1 Mark Wilhelm-9209424. 2 Corresponding author. #12;Process Planning Using An Integrated Expert System And Neural Network a unique computer aided process planner for metal furniture assembly, welding and painting using a rule

  5. Development of an Event Detection System Based on a Wireless Sensor Network 

    E-Print Network [OSTI]

    Bermingham, Louise

    2011-08-10T23:59:59.000Z

    The focus of this research is to develop an event detection system for groundwater flooding. The groundwater monitoring infrastructure is based on a Wireless Sensor Network, which can often lead to corrupted data values. The event detection system...

  6. An energy-efficient communication system for ad hoc wireless and sensor networks

    E-Print Network [OSTI]

    Tetteh, William Nii Adjetey

    2007-01-01T23:59:59.000Z

    Existing ad hoc wireless and sensor network systems often trade off energy against performance. As such, it is hard to find a single deployable system that supports high data rates while maintaining energy-efficient ...

  7. Water Distribution System Monitoring and Decision Support Using a Wireless Sensor Network

    E-Print Network [OSTI]

    Allen, Michael

    Water distribution systems comprise labyrinthine networks of pipes, often in poor states of repair, that are buried beneath our city streets and relatively inaccessible. Engineers who manage these systems need reliable ...

  8. Study of a Fault Analysis System for a Heat Supply Network Based on GIS

    E-Print Network [OSTI]

    Zou, P.; Liu, M.; Tang, H.; Wang, X.; Li, N.; Wang, W.

    2006-01-01T23:59:59.000Z

    Conventional methods cannot satisfy the request of the layout and operation management in a heating system. The geographical information system (GIS) in a heat supply network can realize information conformity and information share roundly, which...

  9. THE TOTAL PETROLEUM SYSTEM--THE NATURAL FLUID NETWORK THAT CONSTRAINS THE

    E-Print Network [OSTI]

    Laughlin, Robert B.

    Chapter PS THE TOTAL PETROLEUM SYSTEM--THE NATURAL FLUID NETWORK THAT CONSTRAINS THE ASSESSMENT Survey Click here or on this symbol in the toolbar to return. U.S. GEOLOGICAL SURVEY WORLD PETROLEUM.................................................................................................................PS-2 Total Petroleum System

  10. System and method for time synchronization in a wireless network

    DOE Patents [OSTI]

    Gonia, Patrick S. (Maplewood, MN); Kolavennu, Soumitri N. (Blaine, MN); Mahasenan, Arun V. (Kerala, IN); Budampati, Ramakrishna S. (Maple Grove, MN)

    2010-03-30T23:59:59.000Z

    A system includes multiple wireless nodes forming a cluster in a wireless network, where each wireless node is configured to communicate and exchange data wirelessly based on a clock. One of the wireless nodes is configured to operate as a cluster master. Each of the other wireless nodes is configured to (i) receive time synchronization information from a parent node, (ii) adjust its clock based on the received time synchronization information, and (iii) broadcast time synchronization information based on the time synchronization information received by that wireless node. The time synchronization information received by each of the other wireless nodes is based on time synchronization information provided by the cluster master so that the other wireless nodes substantially synchronize their clocks with the clock of the cluster master.

  11. agricultural information system: Topics by E-print Network

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

    technology, GIS technology, GPS technology, database technology, network technology, agriculture intelligent technology, multimedia technology, information auto acquired technology...

  12. Artificial Neural Networks and quadratic Response Surfaces for the functional failure analysis of a thermal-hydraulic passive system

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    system reliability, artificial neural network, quadratic response surface 1. INTRODUCTION Modern nuclearArtificial Neural Networks and quadratic Response Surfaces for the functional failure analysis of a thermal-hydraulic passive system George Apostolakisa , Nicola Pedronib , Enrico Ziob* a Massachusetts

  13. Self-similar Network Approach to Modeling Complex Geophysical Systems

    E-Print Network [OSTI]

    on networks The research will have direct impact on Hydrology: environmental transport on river and hillslope will have direct impact on Hydrology: environmental transport on river and hillslope networks, scaling processes on networks The research will have direct impact on Hydrology: environmental transport on river

  14. Co-Simulation Tools for Networked Control Systems

    E-Print Network [OSTI]

    Branicky, Michael S.

    /Plant Extension ! NSCSPlant, NSCSController Extensions ! Modelica/ns-2 Integration [BPZ'02 NCS Co medium (wire/wireless link) Network node (data source) Network node (data sink) From Modelica to ns-2 From ns-2 to Modelica [Al-Hammouri, Agrawal, Liberatore, Branicky] Network View Example Reference Speed

  15. Synchronization in node of complex networks consist of complex chaotic system

    SciTech Connect (OSTI)

    Wei, Qiang, E-mail: qiangweibeihua@163.com [Beihua University computer and technology College, BeiHua University, Jilin, 132021, Jilin (China); Digital Images Processing Institute of Beihua University, BeiHua University, Jilin, 132011, Jilin (China); Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, 116024 (China); Xie, Cheng-jun [Beihua University computer and technology College, BeiHua University, Jilin, 132021, Jilin (China); Digital Images Processing Institute of Beihua University, BeiHua University, Jilin, 132011, Jilin (China); Liu, Hong-jun [School of Information Engineering, Weifang Vocational College, Weifang, 261041 (China); Li, Yan-hui [The Library, Weifang Vocational College, Weifang, 261041 (China)

    2014-07-15T23:59:59.000Z

    A new synchronization method is investigated for node of complex networks consists of complex chaotic system. When complex networks realize synchronization, different component of complex state variable synchronize up to different scaling complex function by a designed complex feedback controller. This paper change synchronization scaling function from real field to complex field for synchronization in node of complex networks with complex chaotic system. Synchronization in constant delay and time-varying coupling delay complex networks are investigated, respectively. Numerical simulations are provided to show the effectiveness of the proposed method.

  16. Neural Networks and Expert Systems to solve the problems of large amounts of Experimental Data at JET

    E-Print Network [OSTI]

    Neural Networks and Expert Systems to solve the problems of large amounts of Experimental Data at JET

  17. An adaptive artificial neural network model for sizing stand-alone photovoltaic systems: Application for isolated sites in Algeria

    E-Print Network [OSTI]

    Mellit, A; Hadj-Arab, A; Guessoum, A

    2004-01-01T23:59:59.000Z

    An adaptive artificial neural network model for sizing stand-alone photovoltaic systems: Application for isolated sites in Algeria

  18. THE CHAPEL OF ST HUGH AND ST CHAD IN THE KING'S HALL AND COLLEGE OF BRASENOSE MUSIC LIST, TRINITY TERM 2013

    E-Print Network [OSTI]

    Oxford, University of

    THE CHAPEL OF ST HUGH AND ST CHAD IN THE KING'S HALL AND COLLEGE OF BRASENOSE MUSIC LIST, TRINITY Eucharist, 6pm Congregational Setting: Cullen Motet: Lead me, Lord - SS Wesley 6th Week - Trinity Sunday

  19. ad converter system: Topics by E-print Network

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

    based on a PROFIBUS network and standard industrial components (HP-UNIX, Siemens S7 PLC, Siemens Industrial PC, door locks), guarantees reliability, safety and optimal...

  20. Solar Energy Collection and Management for Networked Infomechanical Systems (NIMS)

    E-Print Network [OSTI]

    2003-01-01T23:59:59.000Z

    Networked Sensing Solar Energy Collection and Management forProposed Solution: Solar Energy Harvesting Why is Solarbeing recharged • Solar energy harvesting and storage allow

  1. aggregated systems model: Topics by E-print Network

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

    Dieter Mayrhofer Institute of Software@big.tuwien.ac.at Abstract. Inter-organizational business process models are created and used by different partner networks 447...

  2. ajcc staging system: Topics by E-print Network

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

    that provides network transparent robot control. Player seeks to constrain controller design as little as possible; it is device independent, non-locking and language- and...

  3. The use of networking in the DIII-D data acquisition and analysis computer systems

    SciTech Connect (OSTI)

    McHarg, B.B., Jr.

    1987-10-01T23:59:59.000Z

    DIII-D is a large plasma physics and fusion research experiment funded by the Department of Energy. Each shot of the experiment is currently generating nearly 20 megabytes of data which is acquired primarily by MODCOMP Classic computer systems and analyzed by DEC VAX computer systems. Shots are repeated about once every 10 minutes with 40--50 shots per operating day. As the data size and need for data access has grown, the computer systems have evolved from distinct systems to loosely coupled systems to, in some cases, tightly coupled systems. The networking or connectivity of the systems has become an integral and necessary part of the data acquisition and analysis process. The MODCOMP systems utilize networking software to allow one computer to activate tasks on another computer and to transfer data between computers. A Network Systems Hyperchannel link is used for data transfer between MODCOMP and VAX computers. The heaviest use of networking is between the VAX systems which are all connected by DECnet. Networking software have been developed to provide transparent remote user data access, remote printing, the running of tasks on other systems, and the collection of raw and calculated results from other systems. 7 refs., 4 figs.

  4. A Policy Management System for Hybrid Networks N Vardalachos, J Rubio, A Galis and J Serrat

    E-Print Network [OSTI]

    Haddadi, Hamed

    management architecture devised for management of IP over WDM networks and is part of the work carried outA Policy Management System for Hybrid Networks N Vardalachos, J Rubio, A Galis and J Serrat University College London, Universitat Politècnica de Catalunya Abstract: The management of heterogeneous

  5. GAS ANALYSIS SYSTEM COMPOSED OF A SOLID-STATE SENSOR ARRAY AND HYBRID NEURAL NETWORK

    E-Print Network [OSTI]

    Osowski, Stanislaw

    1 GAS ANALYSIS SYSTEM COMPOSED OF A SOLID-STATE SENSOR ARRAY AND HYBRID NEURAL NETWORK STRUCTURE of the solid state sensor array used for the gas analysis. The applied neural network is composed of two parts of the gas components. The obtained results have shown that the array of partially selective sensors

  6. Smart Messages: A Distributed Computing Platform for Networks of Embedded Systems

    E-Print Network [OSTI]

    Rutgers University

    Smart Messages: A Distributed Computing Platform for Networks of Embedded Systems Porlin Kang In this paper, we present the design and imple- mentation of Smart Messages, a distributed comput- ing platform Following the rapid development of sensor net- work technologies [12, 26­28, 32], networks of em- bedded

  7. A WIRELESS SENSOR NETWORK SYSTEM DEPLOYMENT FOR DETECTING STICK SLIP MOTION IN GLACIERS

    E-Print Network [OSTI]

    Southampton, University of

    A WIRELESS SENSOR NETWORK SYSTEM DEPLOYMENT FOR DETECTING STICK SLIP MOTION IN GLACIERS K. Martinez, jhart@soton.ac.uk Keywords: Glaciers, Environmental sensor networks Abstract The behaviour of glaciers The current understanding of how glaciers and ice sheets respond to climate change is extremely limited

  8. Computer Science Adjunct Faculty Position for Computer Networks and Database Systems

    E-Print Network [OSTI]

    Plotkin, Joshua B.

    Computer Science Adjunct Faculty Position for Computer Networks and Database Systems Connecticut College is seeking an adjunct professor (rank open) of computer science to teach Computer Networks (COM315 have a Masters or equivalent in Computer Science or related field. The catalog course descriptions

  9. A Special-Purpose Peer-to-Peer File Sharing System for Mobile Ad Hoc Networks

    E-Print Network [OSTI]

    Lindemann, Christoph

    application scenarios include sharing traffic and weather data by car-to-car communication in a wideA Special-Purpose Peer-to-Peer File Sharing System for Mobile Ad Hoc Networks Alexander Klemm-to-peer (P2P) file sharing for mobile ad hoc networks (MANET) requires the construction of a search algorithm

  10. Energy-aware 3-level coding and control co-design for sensor network systems

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Energy-aware 3-level coding and control co-design for sensor network systems CARLOS CANUDAS energy consumption (energy-aware). To this aim, we propose to use a coding strategy with the ability that this coding algorithm preserves closed loop stability. Index Terms-- Control of sensor networks, energy-aware

  11. Design and Analysis of Micro-Solar Power Systems for Wireless Sensor Networks

    E-Print Network [OSTI]

    Culler, David E.

    design guidelines for micro-solar power systems. Keywords-- Micro-Solar Power Systems, Solar Energy Har of the four components of a micro- solar power system models various design choices. Based on this modelDesign and Analysis of Micro-Solar Power Systems for Wireless Sensor Networks Jaein Jeong, Xiaofan

  12. IEEE TRANSACTIONS ON POWER SYSTEMS 1 MILP Formulation for Islanding of Power Networks

    E-Print Network [OSTI]

    Grothey, Andreas

    IEEE TRANSACTIONS ON POWER SYSTEMS 1 MILP Formulation for Islanding of Power Networks P. A. Trodden. Index Terms--Power system modeling, Power system security, Optimization, Integer programming, Blackouts factors emerge. Modern power systems are being operated closer to limits: liberaliza- tion of the markets

  13. USENIX Association 10th USENIX Symposium on Networked Systems Design and Implementation (NSDI '13) 1 Composing Software-Defined Networks

    E-Print Network [OSTI]

    Singh, Jaswinder Pal

    USENIX Association 10th USENIX Symposium on Networked Systems Design and Implementation (NSDI '13- current tasks, from routing and traffic monitoring, to ac- cess control and server load balancing that implic- itly constrains what the module can see and do. Finally, we define a new abstract packet model

  14. Study of a Fault Analysis System for a Heat Supply Network Based on GIS 

    E-Print Network [OSTI]

    Zou, P.; Liu, M.; Tang, H.; Wang, X.; Li, N.; Wang, W.

    2006-01-01T23:59:59.000Z

    of heat supply network while city heat supply network?s operation time becomes longer and the heat consumer?s number becomes larger. Furthermore, it?s rather difficult to know the pipeline situation, for the complex laying structure, the ceaseless... changing of overground buildings and underground pineline. It?s typical for china?s city pipe network that the data are lack and the layouts of pipeline are complex. Because of these, it is difficult to operate and manage the heating system. Especially...

  15. A review of "Aphra Behn’s Afterlife; And The Theatre of Aphra Behn." by Jane Spencer And Derek Hughes 

    E-Print Network [OSTI]

    Robert Markley

    2002-01-01T23:59:59.000Z

    . Aphra Behn?s Afterlife. Oxford: Oxford University Press, 2000. ix + 307 pp. $72.00. Derek Hughes. The Theatre of Aphra Behn. New York: Palgrave, 2001. xiii + 230 pp. $65.00. Reviews by ROBERT MARKLEY, WEST VIRGINIA UNIVERSITY. Almost a decade ago... in her Introduction to Rereading Aphra Behn, Heidi Hutner suggested that critics could not understand Restoration literature without taking into account the significance REVIEWS 59 of Aphra Behn as a dramatist, poet, translator, and novelist. Two recent...

  16. An Equivalent Network for Load-Flow Analysis of Power Systems

    E-Print Network [OSTI]

    Johnson, Merion Luke

    1960-01-01T23:59:59.000Z

    AN EQUIVALENT NETWORK FOR LOAD-FLOW ANALYSIS OF POWER SYSTEMS A Thesis by Meri on L. Johnson Submitted to the Graduate School of the Agricultural and Mechanical College of Texas in partihl fulfillment of the requirements for the degree...

  17. Towards Quantifying the (In)Security of Networked Systems Xiaohu Li T. Paul Parker Shouhuai Xu

    E-Print Network [OSTI]

    Xu, Shouhuai

    Towards Quantifying the (In)Security of Networked Systems Xiaohu Li T. Paul Parker Shouhuai Xu Traditional security analyses are often geared towards cryptographic primitives or protocols. Although approach. 1 Introduction Traditional security analyses are typically geared to- wards cryptographic

  18. Incipient fault detection and identification in process systems using artificial neural networks

    E-Print Network [OSTI]

    Muthusami, Jayakumar

    1992-01-01T23:59:59.000Z

    INCIPIENT FAULT DETECTION AND IDENTIFICATION IN PROCESS SYSTEMS USING ARTIFICIAL NEURAL NETWORKS A Thesis by JAYAKUMAR MUTHUSAMI 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 December 1992 Major Subject: Mechanical Engineering INCIPIENT FAULT DETECTION AND IDENTIFICATION IN PROCESS SYSTEMS USING ARTIFICIAL NEURAL NETWORKS A Thesis JAYAKHMAH MUTHTJSAMI Approved a. s to style and content, by...

  19. Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013

    E-Print Network [OSTI]

    Brody, James P.

    Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013 Quick of copyrighted materials over the network is generally illegal unless you have the consent of the copyright

  20. Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013

    E-Print Network [OSTI]

    Brody, James P.

    Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013 Quick. If the campus receives an allegation of copyright infringement based on your use of the UCI network via an IP

  1. Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013

    E-Print Network [OSTI]

    Brody, James P.

    Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013 Quick network via an IP address assigned to you, the matter is referred to the Office of the Dean of Students

  2. Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013

    E-Print Network [OSTI]

    Brody, James P.

    Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013 QuickTorrent, it is often not legal to do so. Making copies of copyrighted materials over the network is generally illegal

  3. Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013

    E-Print Network [OSTI]

    Brody, James P.

    Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013 Quick the network is legal only with the consent of the copyright holder or when such copying can be classified

  4. Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013

    E-Print Network [OSTI]

    Brody, James P.

    Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013 Quick network via an IP address assigned to you, the matter is referred to Student Conduct in the Office

  5. Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013

    E-Print Network [OSTI]

    Brody, James P.

    Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013 Quick infringement based on your use of the UCI network via an IP address assigned to you, the matter is referred

  6. Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013

    E-Print Network [OSTI]

    Brody, James P.

    Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013 Quick of the UCI electronic community. Making copies of copyright materials over the network is legal only

  7. Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013

    E-Print Network [OSTI]

    Brody, James P.

    Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013 Quick or their agents. If you download copyrighted materials without permission, you could lose network access, and

  8. Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013

    E-Print Network [OSTI]

    Brody, James P.

    Home Help Desk Administrative Systems Services & Support Instruction & Research Network Telephone About OIT Wednesday December 18th, 2013 Quick not legal to do so. Making copies of copyrighted materials over the network is generally illegal unless you

  9. HPNAIDM: The High-Performance Network Anomaly/Intrusion Detection and Mitigation System

    SciTech Connect (OSTI)

    Chen, Yan [Northwesten University] [Northwesten University

    2013-12-05T23:59:59.000Z

    Identifying traffic anomalies and attacks rapidly and accurately is critical for large network operators. With the rapid growth of network bandwidth, such as the next generation DOE UltraScience Network, and fast emergence of new attacks/virus/worms, existing network intrusion detection systems (IDS) are insufficient because they: • Are mostly host-based and not scalable to high-performance networks; • Are mostly signature-based and unable to adaptively recognize flow-level unknown attacks; • Cannot differentiate malicious events from the unintentional anomalies. To address these challenges, we proposed and developed a new paradigm called high-performance network anomaly/intrustion detection and mitigation (HPNAIDM) system. The new paradigm is significantly different from existing IDSes with the following features (research thrusts). • Online traffic recording and analysis on high-speed networks; • Online adaptive flow-level anomaly/intrusion detection and mitigation; • Integrated approach for false positive reduction. Our research prototype and evaluation demonstrate that the HPNAIDM system is highly effective and economically feasible. Beyond satisfying the pre-set goals, we even exceed that significantly (see more details in the next section). Overall, our project harvested 23 publications (2 book chapters, 6 journal papers and 15 peer-reviewed conference/workshop papers). Besides, we built a website for technique dissemination, which hosts two system prototype release to the research community. We also filed a patent application and developed strong international and domestic collaborations which span both academia and industry.

  10. A prototype implementation of a network-level intrusion detection system. Technical report number CS91-11

    SciTech Connect (OSTI)

    Heady, R.; Luger, G.F.; Maccabe, A.B.; Servilla, M.; Sturtevant, J. [New Mexico Univ., Albuquerque, NM (United States). Dept. of Computer Science

    1991-05-15T23:59:59.000Z

    This paper presents the implementation of a prototype network level intrusion detection system. The prototype system monitors base level information in network packets (source, destination, packet size, time, and network protocol), learning the normal patterns and announcing anomalies as they occur. The goal of this research is to determine the applicability of current intrusion detection technology to the detection of network level intrusions. In particular, the authors are investigating the possibility of using this technology to detect and react to worm programs.

  11. Department of Computer Science & Engineering A Survey on Communication Networks in Emergency Warning Systems

    E-Print Network [OSTI]

    Jain, Raj

    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.5.1 Japanese Earthquake Early Warning System . . . . . . . . . . . . . . . . . . . . . 15 3 in Emergency Warning Systems Authors: Yan Li Abstract: N/A Type of Report: MS Project Report Department - ph: (314) 935-6160 #12;A Survey on Communication Networks in Emergency Warning Systems Student: Yan

  12. A Practical Theory of Micro-Solar Power Sensor Networks JAEIN JEONG, Cisco Systems

    E-Print Network [OSTI]

    California at Berkeley, University of

    9 A Practical Theory of Micro-Solar Power Sensor Networks JAEIN JEONG, Cisco Systems DAVID CULLER, University of California, Berkeley Building a micro-solar power system is challenging because it must address develop a practical theory of micro-solar power systems that is materialized in a simulation suite

  13. Autonomous Adaptive Resource Management in Sensor Network Systems for Environmental Monitoring

    E-Print Network [OSTI]

    Panangadan, Anand

    1 Autonomous Adaptive Resource Management in Sensor Network Systems for Environmental Monitoring rates, and routing of data) that impact the utilization of the system resources (such as energy reserves is illustrated on a coastal monitoring and forecast system that is in operation in the New York harbor

  14. A Hybrid Artificial Immune System and Self Organising Map for Network Intrusion

    E-Print Network [OSTI]

    Alvarez, Nadir

    A Hybrid Artificial Immune System and Self Organising Map for Network Intrusion Detection Simon T using an artificial immune system. Connections that are flagged as anoma- lous are then categorised://www.sciencedirect.com/science/article/pii/S0020025507005531.] Key words: Artificial immune system; Self Organizing Map; Intrusion detection; Genetic algorithm

  15. Energy Management System for an Hybrid Electric Vehicle, Using Ultracapacitors and Neural Networks

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Católica de Chile)

    Energy Management System for an Hybrid Electric Vehicle, Using Ultracapacitors and Neural Networks and specific energy contained in most electric batteries compared to that of gasoline, is resolved in hybrid to accept energy from regenerative braking. For this reason, hybrid systems use an auxiliary energy system

  16. THEORETICAL APPLICATION OF THE TENSORIAL ANALYSIS OF NETWORK FOR EMC AT THE SYSTEM LEVEL

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    THEORETICAL APPLICATION OF THE TENSORIAL ANALYSIS OF NETWORK FOR EMC AT THE SYSTEM LEVEL Olivier.maurice@mpsa.com ABSTRACT To resolve the Electromagnetic compatibility (EMC) at the system level we need developed by Gabriel KRON to compute all the interactions encountered in EMC on large systems. 1

  17. Virtual City Portal A Multi-Network Personal Information System for Automobile Users1

    E-Print Network [OSTI]

    Bruegge, Bernd

    Virtual City Portal ­ A Multi-Network Personal Information System for Automobile Users1 Richard the Virtual City Portal prototype that is developed within the SOFTNET project. The system allows automobile of information and entertainment services in an automobile environment poses certain requirements on system

  18. A Benchmarking System for Mobile Ad Hoc Network Routing Protocols

    E-Print Network [OSTI]

    Hiranandani, Daniel

    2012-01-01T23:59:59.000Z

    Limited. High-level smart meter data tra?c analysis, 2010. [2x2) equipped with smart energy meters that are able toas ?xed data sinks in smart energy meter networks [18] or

  19. Localized Pipeline Encroachment Detector System Using Sensor Network

    E-Print Network [OSTI]

    Ou, Xiaoxi 1986-

    2011-08-08T23:59:59.000Z

    NOMENCLATURE WSN Wireless Sensor Network ROW Right of Way WIFI Wireless Fidelity PC Personal Computer LED Light Emitting Diode USB Universal Serial Bus IEEE Institute of Electrical and Electronics Engineers A/D Analog to Digital WPAN Wireless...

  20. Systems Biology of Microbiota Metabolites and Adipocyte Transcription Factor Network 

    E-Print Network [OSTI]

    Choi, Kyungoh

    2013-07-17T23:59:59.000Z

    discovery with targeted mass spectrometry. A computational pathway analysis where microbiota metabolisms are modeled as a single metabolic network is utilized to predict a focused set of targets for multiple reaction monitoring (MRM) analysis. We validated...

  1. Secure and efficient wireless networks

    E-Print Network [OSTI]

    Bellardo, John Michael

    2006-01-01T23:59:59.000Z

    CA Systems and Network Administrator California Integrationgives the campus network administrators complete admissionin engineered networks, enterprise administrators try to

  2. archaeal system ignicoccus: Topics by E-print Network

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

    we apply systems sciences to analyze the human locomotor system and develop a general theory that reveals the systemic destructive process in the locomotor system, linking...

  3. adrenergic nervous system: Topics by E-print Network

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

    whole nervous system 12;5 Nervous System Organization Central Nervous System (CNS) Brain Spinal Cord Peripheral Nervous System Somatic NS--receivessends messages to muscles...

  4. altered nervous system: Topics by E-print Network

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

    whole nervous system 12;5 Nervous System Organization Central Nervous System (CNS) Brain Spinal Cord Peripheral Nervous System Somatic NS--receivessends messages to muscles...

  5. Cyber-Physical System Security With Deceptive Virtual Hosts for Industrial Control Networks

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Vollmer, Todd; Manic, Milos

    2014-05-01T23:59:59.000Z

    A challenge facing industrial control network administrators is protecting the typically large number of connected assets for which they are responsible. These cyber devices may be tightly coupled with the physical processes they control and human induced failures risk dire real-world consequences. Dynamic virtual honeypots are effective tools for observing and attracting network intruder activity. This paper presents a design and implementation for self-configuring honeypots that passively examine control system network traffic and actively adapt to the observed environment. In contrast to prior work in the field, six tools were analyzed for suitability of network entity information gathering. Ettercap, anmore »established network security tool not commonly used in this capacity, outperformed the other tools and was chosen for implementation. Utilizing Ettercap XML output, a novel four-step algorithm was developed for autonomous creation and update of a Honeyd configuration. This algorithm was tested on an existing small campus grid and sensor network by execution of a collaborative usage scenario. Automatically created virtual hosts were deployed in concert with an anomaly behavior (AB) system in an attack scenario. Virtual hosts were automatically configured with unique emulated network stack behaviors for 92% of the targeted devices. The AB system alerted on 100% of the monitored emulated devices.« less

  6. Cyber-Physical System Security With Deceptive Virtual Hosts for Industrial Control Networks

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Vollmer, Todd; Manic, Milos

    2014-05-01T23:59:59.000Z

    A challenge facing industrial control network administrators is protecting the typically large number of connected assets for which they are responsible. These cyber devices may be tightly coupled with the physical processes they control and human induced failures risk dire real-world consequences. Dynamic virtual honeypots are effective tools for observing and attracting network intruder activity. This paper presents a design and implementation for self-configuring honeypots that passively examine control system network traffic and actively adapt to the observed environment. In contrast to prior work in the field, six tools were analyzed for suitability of network entity information gathering. Ettercap, an established network security tool not commonly used in this capacity, outperformed the other tools and was chosen for implementation. Utilizing Ettercap XML output, a novel four-step algorithm was developed for autonomous creation and update of a Honeyd configuration. This algorithm was tested on an existing small campus grid and sensor network by execution of a collaborative usage scenario. Automatically created virtual hosts were deployed in concert with an anomaly behavior (AB) system in an attack scenario. Virtual hosts were automatically configured with unique emulated network stack behaviors for 92% of the targeted devices. The AB system alerted on 100% of the monitored emulated devices.

  7. The development of an interactive microcomputer-based system to analyze linear network optimization problems

    E-Print Network [OSTI]

    Fowler, John Welsh

    1986-01-01T23:59:59.000Z

    AND CONCLUSIONS REFERENCES APPENDICES APPENDIX A ? USER' S MANUAL APPENDIX B ? CODE CHANGES NECESSARY TO PREVENT CYCLING IN THE K SHORTEST PATH PROBLEM VITA 90 92 94 95 110 112 LIST OF TABLES Table DISTANCE MATRIX Page 15 INPUT DATA FOR PLANNING... variety of problems and situations. Network analysis techniques have been used to model transportation systems, communication systems, distribution systems, river systems, precedence ordering of events, computer systems, etc. Phillips and Garcia [1981...

  8. Modeling, Simulation and Analysis of Complex Networked Systems: A Program Plan for DOE Office of Advanced Scientific Computing Research

    SciTech Connect (OSTI)

    Brown, D L

    2009-05-01T23:59:59.000Z

    Many complex systems of importance to the U.S. Department of Energy consist of networks of discrete components. Examples are cyber networks, such as the internet and local area networks over which nearly all DOE scientific, technical and administrative data must travel, the electric power grid, social networks whose behavior can drive energy demand, and biological networks such as genetic regulatory networks and metabolic networks. In spite of the importance of these complex networked systems to all aspects of DOE's operations, the scientific basis for understanding these systems lags seriously behind the strong foundations that exist for the 'physically-based' systems usually associated with DOE research programs that focus on such areas as climate modeling, fusion energy, high-energy and nuclear physics, nano-science, combustion, and astrophysics. DOE has a clear opportunity to develop a similarly strong scientific basis for understanding the structure and dynamics of networked systems by supporting a strong basic research program in this area. Such knowledge will provide a broad basis for, e.g., understanding and quantifying the efficacy of new security approaches for computer networks, improving the design of computer or communication networks to be more robust against failures or attacks, detecting potential catastrophic failure on the power grid and preventing or mitigating its effects, understanding how populations will respond to the availability of new energy sources or changes in energy policy, and detecting subtle vulnerabilities in large software systems to intentional attack. This white paper outlines plans for an aggressive new research program designed to accelerate the advancement of the scientific basis for complex networked systems of importance to the DOE. It will focus principally on four research areas: (1) understanding network structure, (2) understanding network dynamics, (3) predictive modeling and simulation for complex networked systems, and (4) design, situational awareness and control of complex networks. The program elements consist of a group of Complex Networked Systems Research Institutes (CNSRI), tightly coupled to an associated individual-investigator-based Complex Networked Systems Basic Research (CNSBR) program. The CNSRI's will be principally located at the DOE National Laboratories and are responsible for identifying research priorities, developing and maintaining a networked systems modeling and simulation software infrastructure, operating summer schools, workshops and conferences and coordinating with the CNSBR individual investigators. The CNSBR individual investigator projects will focus on specific challenges for networked systems. Relevancy of CNSBR research to DOE needs will be assured through the strong coupling provided between the CNSBR grants and the CNSRI's.

  9. CO2017 Operating Systems, Networks and Distributed Systems Credits: 20 Convenor: Dr. S. Yang Semester: 2nd

    E-Print Network [OSTI]

    Yang, Shengxiang

    Study: 90 hours Subject Knowledge Aims To understand the role, structure and basic design of computer operating systems; the fundamental theory and practice of networks; and the theory and design of systems; hardware features; interrupts; kernal mode. User interface Model of user interface; sytem calls; command

  10. Performance of a Dynamically Controlled Inverter in a Photovoltaic System Interconnected with a Secondary Network Distribution System

    SciTech Connect (OSTI)

    Coddington, M. H.; Kroposki, B. D.; Basso, T.; Berger, D.; Crowell, K.; Hayes, J.

    2011-01-01T23:59:59.000Z

    In 2008, a 300 kW{sub peak} photovoltaic (PV) system was installed on the rooftop of the Colorado Convention Center (CCC). The installation was unique for the electric utility, Xcel Energy, as it had not previously permitted a PV system to be interconnected on a building served by the local secondary network distribution system (network). The PV system was installed with several provisions; one to prevent reverse power flow, another called a dynamically controlled inverter (DCI), that curtails the output of the PV inverters to maintain an amount of load supplied by Xcel Energy at the CCC. The DCI system utilizes current transformers (CTs) to sense power flow to insure that a minimum threshold is maintained from Xcel Energy through the network transformers. The inverters are set to track the load on each of the three phases and curtail power from the PV system when the generated PV system current reaches 95% of the current on any phase. This is achieved by the DCI, which gathers inputs from current transformers measuring the current from the PV array, Xcel, and the spot network load. Preventing reverse power flow is a critical technical requirement for the spot network which serve this part of the CCC. The PV system was designed with the expectation that the DCI system would not curtail the PV system, as the expected minimum load consumption was historically higher than the designed PV system size. However, the DCI system has operated many days during the course of a year, and the performance has been excellent. The DCI system at the CCC was installed as a secondary measure to insure that a minimum level of power flows to the CCC from the Xcel Energy network. While this DCI system was intended for localized control, the system could also reduce output percent if an external smart grid control signal was employed. This paper specifically focuses on the performance of the innovative design at this installation; however, the DCI system could also be used for new s- art grid-enabled distribution systems where renewables power contributions at certain conditions or times may need to be curtailed.

  11. An efficient algorithm for real-time network reconfiguration in large scale unbalanced distribution systems

    SciTech Connect (OSTI)

    Wang, J.C.; Chiang, H.D. [Cornell Univ., Ithaca, NY (United States). School of Electrical Engineering; Darling, G.R. [NYSEG Corp., Binghamton, NY (United States). Distribution System Dept.

    1996-02-01T23:59:59.000Z

    Real-time applications demand fast computation, this paper proposes an efficient algorithm for real-time network reconfiguration on large unbalanced distribution networks. A novel formulation of the network reconfiguration to achieve loss minimization and load balancing is given. To reduce computational requirements for the solution algorithm, well justified power flow and loss reduction formulas in terms of the on/off status of network switches are proposed for efficient system updating. The algorithm relies only on a few full power flow studies based on system states attained by explicit expressions using backward-forward sweeps for efficient computation of system`s states at the critical system operating points. The solution algorithm runs in an amount of time linearly proportional to the number of tie switches and the number of sectionalizing switches in the system. The solution algorithm has been implemented into a software package and tested on unbalanced distribution systems including a system with 292-buses, 76-laterals, 7 transformers, 45 switches and 255 lines sections under diverse system conditions.

  12. An efficient algorithm for real-time network reconfiguration in large scale unbalanced distribution systems

    SciTech Connect (OSTI)

    Wang, J.C.; Chiang, H.D. [Cornell Univ., Ithaca, NY (United States). School of Electrical Engineering; Darling, G.R. [NYSEG Corp., Binghamton, NY (United States). Distribution System Dept.

    1995-12-31T23:59:59.000Z

    Real-time applications demand fast computation, this paper proposes an efficient algorithm for real-time network reconfiguration on large unbalanced distribution networks. A novel formulation of the network reconfiguration to achieve loss minimization and load balancing is given. To reduce computational requirements for the solution algorithm, well justified power flow and loss reduction formulas in terms of the on/off status of network switches are proposed for efficient system updating. The algorithm relies only a few full power flow studies based on system states attained by explicit expressions using backward-forward sweeps for efficient computation of system`s states at the critical system operating points. The solution algorithm runs in an amount of time linearly proportional to the number of tie switches and the number of sectionalizing switches in the system. The solution algorithm has been implemented into a software package and tested on unbalanced distribution systems including a system with 292-buses, 76-laterals, 7 transformers, 45 switches and 255 lines sections under diverse system conditions.

  13. assessment information system: Topics by E-print Network

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

    This paper proposes key points for the timing and scope of enterprise systems benefit assessment. Enterprise systems (ES) such as enterprise resource planning (ERP) systems...

  14. analysis pgaa system: Topics by E-print Network

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

    Complex Adaptive System Division Center for Energy, Environmental & Economic Systems Analysis Energy systems are being privatized. Approach Argonne's Center for Energy,...

  15. analysis penetrometer system: Topics by E-print Network

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

    Complex Adaptive System Division Center for Energy, Environmental & Economic Systems Analysis Energy systems are being privatized. Approach Argonne's Center for Energy,...

  16. Equivalent circuits for power system studies on the A-C network calculator

    E-Print Network [OSTI]

    Kolb, Walter Jean

    1948-01-01T23:59:59.000Z

    -sequence network is often as high as 5+ or more of the self-impedance and therefore must be repre- sented on the Calculator to attain the desired accuracy. By definition, zero-sequence line currents and voltages to ground at any point in the system are equal 1n... of transient or subtransient reactance in place of the generator impedance Z in the positive-sequence network, Unbalanced faults necessitate the use of the zero- sequence network and for wye grounded generators the zero- sequence impedance of the generator...

  17. Development of a System to Collect Social Network Data from College Students for Future Studies in Health Behavior and Academic Performance /

    E-Print Network [OSTI]

    Lah, Mike Myoungwhan

    2013-01-01T23:59:59.000Z

    1.2 Contagion in Social Networks . . . . 1.3 Isolatingcomponent of the social network of around 180 TritonScheduleSystem to Collect Social Network Data from College Students

  18. Reconstruction of Flaw Profiles Using Neural Networks and Multi-Frequency Eddy Current System

    SciTech Connect (OSTI)

    Chady, T.; Caryk, M. [Technical University of Szczecin, al. Piastow 19, 70-310 Szczecin (Poland)

    2005-04-09T23:59:59.000Z

    The objective of this paper is to identify profiles of flaws in conducting plates. To solve this problem, application of a multi-frequency eddy current system (MFES) and artificial neural networks is proposed. Dynamic feed-forward neural networks with various architectures are investigated. Extended experiments with all neural models are carried out in order to select the most promising configuration. Data utilized for the experiments were obtained from the measurements performed on the Inconel plates with EDM flaws.

  19. Hybrid Neural Network for Gas Analysis Measuring System Kazimierz Brudzewski

    E-Print Network [OSTI]

    Osowski, Stanislaw

    mixtures of air with these four pollutants. The signals obtained from the sensors have been processed using with hybrid neural network, can be used to determine the individual analyte concentrations in the mixture as pollutants: carbon oxide, methane, propane/buthane and methanol vapour. A small array of five semiconductor

  20. Test systems and mathematical models for transmission network expansion planning

    E-Print Network [OSTI]

    McCalley, James D.

    way the alternative models that are normally used for represent- ing a transmissions network$J, and .rjrepresent, respectivelythe cost of a circuit that can be added to right-of-way i-j, the susceptance of that circuit, the number of circuits added in right-of-way i-j,the number of circuits in the base case

  1. Optimizing protections against cascades in network systems: a modified binary

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    to the topology of an electricity infrastructure, i.e. the 380 kV Italian power transmission network. We only protection; line switching; cascading failure; differential evolution algorithm; multi-objective optimization, transportation) which the welfare and security of our nations rely on. Their security against cascading failures

  2. Simulation of flood flow in a river system using artificial neural networks Hydrology and Earth System Sciences, 9(4), 313321 (2005) EGU

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    2005-01-01T23:59:59.000Z

    Simulation of flood flow in a river system using artificial neural networks 313 Hydrology and Earth System Sciences, 9(4), 313321 (2005) © EGU Simulation of flood flow in a river system using artificial Artificial neural networks (ANNs) provide a quick and flexible means of developing flood flow simulation

  3. TESLA-Based Defense Against Pollution Attacks in P2P Systems with Network Coding

    E-Print Network [OSTI]

    Markopoulou, Athina

    TESLA-Based Defense Against Pollution Attacks in P2P Systems with Network Coding Anh Le, Athina and time asymmetry (as in TESLA [1]) to provide source authentication for the detection scheme and non; pollution; detection; identification; TESLA; homomorphic MAC. I. INTRODUCTION Peer-to-peer (P2P) systems

  4. Towards Embedded Wireless-Networked Intelligent Daylighting Systems for Commercial Buildings

    E-Print Network [OSTI]

    Agogino, Alice M.

    Towards Embedded Wireless-Networked Intelligent Daylighting Systems for Commercial Buildings Yao, daylighting systems are not widely used in the commercial office building. Barriers prohibiting adoption) `Smart Dust motes' wireless platforms is explored. Due to their small size, they can be placed directly

  5. LQG Control of Linear Systems with Network-Induced Varying Delay using the Delta Operator

    E-Print Network [OSTI]

    LQG Control of Linear Systems with Network-Induced Varying Delay using the Delta Operator Masakazu be represented as a linear delay- depending feedback from the state and the previous control signal. Finally control of linear systems with long random time delays in delta domain is proposed in [22]. By using

  6. GLOBAL OPTIMIZATION OF MULTIPHASE FLOW NETWORKS IN OIL AND GAS PRODUCTION SYSTEMS

    E-Print Network [OSTI]

    Johansen, Tor Arne

    1 GLOBAL OPTIMIZATION OF MULTIPHASE FLOW NETWORKS IN OIL AND GAS PRODUCTION SYSTEMS MSc. Hans in an oil production system is developed. Each well may be manipulated by injecting lift gas and adjusting in the maximum oil flow rate, water flow rate, liquid flow rate, and gas flow rate. The wells may also

  7. An evaluation of the storage systems based on network-attached disks

    E-Print Network [OSTI]

    Ma, Gang

    1998-01-01T23:59:59.000Z

    different storage organizations based on network-attached disks and compare the performance of these systems to a traditional system. Trace-driven simulations are used to measure the average response time of the client requests in two different workloads. We...

  8. What is about future high speed power line communication systems for in-vehicles networks ?

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    What is about future high speed power line communication systems for in-vehicles networks and results are given for different applications. Index Terms-- vehicles, power line, X-by-wire, embedded related to the steering, traction, braking system (ABS), Electronic Stability Program (ESP), Electric

  9. Adaptation of Organizational Models for Multi-Agent Systems based on Max Flow Networks

    E-Print Network [OSTI]

    López-Sánchez, Maite

    Adaptation of Organizational Models for Multi-Agent Systems based on Max Flow Networks Mark Amsterdam, The Netherlands mhoogen@cs.vu.nl http://www.cs.vu.nl/~mhoogen Abstract Organizational models of the organizational model can be essential to ensure a continuous success- ful function of the system. This paper

  10. ESTIMATION OF DELAY PROPAGATION IN THE NATIONAL AVIATION SYSTEM USING BAYESIAN NETWORKS

    E-Print Network [OSTI]

    Laskey, Kathryn Blackmond

    and mitigating delays is a major long-term objective of the Federal Aviation Administration (FAA). As demand1 ESTIMATION OF DELAY PROPAGATION IN THE NATIONAL AVIATION SYSTEM USING BAYESIAN NETWORKS Ning Xu creates major problems in the current aviation system. Methods are needed to analyze the manner in which

  11. Double-ring network model of the head-direction system Xiaohui Xie,1,

    E-Print Network [OSTI]

    Xie, Xiaohui Sunney

    Double-ring network model of the head-direction system Xiaohui Xie,1, * Richard H. R. Hahnloser,1,2 and H. Sebastian Seung1,2 1 Department of Brain and Cognitive Sciences, Massachusetts Institute 2002; published 9 October 2002 In the head-direction system, the orientation of an animal's head

  12. An Efficient Energy Management System for Android Phone Using Bayesian Networks

    E-Print Network [OSTI]

    Cho, Sung-Bae

    An Efficient Energy Management System for Android Phone Using Bayesian Networks Young-Seol Lee, proximity, light and orientation sensors for context-awareness. Energy-efficient battery management systems, it becomes an issue to develop the techniques for efficient energy management on a mobile phone [2, 3, 4

  13. An evaluation of the storage systems based on network-attached disks 

    E-Print Network [OSTI]

    Ma, Gang

    1998-01-01T23:59:59.000Z

    different storage organizations based on network-attached disks and compare the performance of these systems to a traditional system. Trace-driven simulations are used to measure the average response time of the client requests in two different workloads. We...

  14. A review of "Versions of Blackness: Key Texts on Slavery from the Seventeenth Century" edited by Derek Hughes 

    E-Print Network [OSTI]

    M'Baye, Babacar

    2009-01-01T23:59:59.000Z

    -Europeans were not as rigid as they are currently perceived. reviews 13 Referring to major works such as Aphra Behn?s Oroonoko (1688) and Thomas Southerne?s Oroonoko (1696), Hughes argues that they ?all portray black characters in conflict with...?and generally destroyed by?white Europeans. All portray the alien with open-minded imagi- nativeness, and all treat the contrasts between alien and European as unstable, complex, and reversible? (xii). Behn?s Oroonoko is about a Moor prince who is captured...

  15. Control of synchronization in coupled neural systems by time-delayed feedback

    E-Print Network [OSTI]

    Philipp Hoevel; Markus A. Dahlem; Eckehard Schoell

    2008-09-04T23:59:59.000Z

    We discuss the synchronization of coupled neurons which are modelled as FitzHugh-Nagumo systems. As smallest entity in a larger network, we focus on two diffusively coupled subsystems, which can be interpreted as two mutually interacting neural populations. Each system is prepared in the excitable regime and subject to independent random fluctuations. In order to modify their cooperative dynamics, we apply a local external stimulus in form of an extended time-delayed feedback loop that involves multiple delays weighted by a memory parameter and investigate if local control applied to a subsystem can allow one to steer the global cooperative dynamics. Depending on the choice of this new control parameter, we investigate different measures to quantify the influence on synchronization: ratio of interspike intervals, power spectrum, interspike interval distribution, and phase synchronization intervals. We show that the control method is more robust for increasing memory parameter.

  16. air handling systems: Topics by E-print Network

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

    climate year. This AHU system has a static pressure reset system and two constant static pressure systems, one having... Liu, M.; Zheng, K.; Wu, L.; Wang, Z.; Johnson, C....

  17. Automated Measurement and Signaling Systems for the Transactional Network

    SciTech Connect (OSTI)

    Piette, Mary Ann; Brown, Richard; Price, Phillip; Page, Janie; Granderson, Jessica; Riess, David; Czarnecki, Stephen; Ghatikar, Girish; Lanzisera, Steven

    2013-12-31T23:59:59.000Z

    The Transactional Network Project is a multi-lab activity funded by the US Department of Energy?s Building Technologies Office. The project team included staff from Lawrence Berkeley National Laboratory, Pacific Northwest National Laboratory and Oak Ridge National Laboratory. The team designed, prototyped and tested a transactional network (TN) platform to support energy, operational and financial transactions between any networked entities (equipment, organizations, buildings, grid, etc.). PNNL was responsible for the development of the TN platform, with agents for this platform developed by each of the three labs. LBNL contributed applications to measure the whole-building electric load response to various changes in building operations, particularly energy efficiency improvements and demand response events. We also provide a demand response signaling agent and an agent for cost savings analysis. LBNL and PNNL demonstrated actual transactions between packaged rooftop units and the electric grid using the platform and selected agents. This document describes the agents and applications developed by the LBNL team, and associated tests of the applications.

  18. assurance systems engineering: Topics by E-print Network

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

    Websites Summary: them in the effort to get the system to work correctly. Performance Engineering Laboratory httpASSURING PERFORMANCE IN E-COMMERCE SYSTEMS Dr. John Murphy...

  19. agricultural research system: Topics by E-print Network

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

    Page Last Page Topic Index 1 Food Systems Research Leopold Center for Sustainable Agriculture Environmental Sciences and Ecology Websites Summary: Systems Working Group of the...

  20. advanced traveler information systems: Topics by E-print Network

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

    Skills Critically reflect on management Neirotti, Juan Pablo 213 Information Systems Security Information Systems Security Computer Technologies and Information Sciences Websites...

  1. animal model system: Topics by E-print Network

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

    and understanding biological systems Harel, David 2 A Dynamic Emotion Representation Model Within a Facial Animation System CiteSeer Summary: This paper presents a Dynamic...

  2. animal model systems: Topics by E-print Network

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

    and understanding biological systems Harel, David 2 A Dynamic Emotion Representation Model Within a Facial Animation System CiteSeer Summary: This paper presents a Dynamic...

  3. accessory optic system: Topics by E-print Network

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

    electronics, and biomedical systems. However, given the continuous nature of optics, the inability to efficiently analyze optical system models using traditional...

  4. adr reporting systems: Topics by E-print Network

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

    Renewable Energy Websites Summary: to endorse or advertise a commercial product or company. 12;Gentle Logging System Evaluation (ParticipantsGentle Logging System...

  5. automatic evaluation system: Topics by E-print Network

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

    Renewable Energy Websites Summary: to endorse or advertise a commercial product or company. 12;Gentle Logging System Evaluation (ParticipantsGentle Logging System...

  6. accident reporting system: Topics by E-print Network

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

    Renewable Energy Websites Summary: to endorse or advertise a commercial product or company. 12;Gentle Logging System Evaluation (ParticipantsGentle Logging System...

  7. automatic transmission system: Topics by E-print Network

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

    and toolset for automatic generation of hypertext system repositories. Our code generator, called and a supporting toolset to automatically generate hypertext system...

  8. advanced control systems: Topics by E-print Network

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

    Systems and Controls Laboratory Engineering Websites Summary: at high penetration rates Battery Energy Storage Systems A BESS consists of a battery bank, a control 80% loss...

  9. advanced battery systems: Topics by E-print Network

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

    Management Systems - Part I: SOC Estimation S. J- cles and renewable energy resources is battery energy storage. Advanced battery systems represent Krstic, Miroslav 2 PDE...

  10. advanced control system: Topics by E-print Network

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

    Systems and Controls Laboratory Engineering Websites Summary: at high penetration rates Battery Energy Storage Systems A BESS consists of a battery bank, a control 80% loss...

  11. access control system: Topics by E-print Network

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

    Electric Power Management Systems (EPMS) and Supervisory Control and Data Acquisition (SCADA) systems that allows us to calculate device vulnerability and help power substation...

  12. access ofdma systems: Topics by E-print Network

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

    Electric Power Management Systems (EPMS) and Supervisory Control and Data Acquisition (SCADA) systems that allows us to calculate device vulnerability and help power substation...

  13. access appointment system: Topics by E-print Network

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

    Electric Power Management Systems (EPMS) and Supervisory Control and Data Acquisition (SCADA) systems that allows us to calculate device vulnerability and help power substation...

  14. access denial systems: Topics by E-print Network

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

    Electric Power Management Systems (EPMS) and Supervisory Control and Data Acquisition (SCADA) systems that allows us to calculate device vulnerability and help power substation...

  15. access mri system: Topics by E-print Network

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

    Electric Power Management Systems (EPMS) and Supervisory Control and Data Acquisition (SCADA) systems that allows us to calculate device vulnerability and help power substation...

  16. access system lacs: Topics by E-print Network

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

    Electric Power Management Systems (EPMS) and Supervisory Control and Data Acquisition (SCADA) systems that allows us to calculate device vulnerability and help power substation...

  17. access control systems: Topics by E-print Network

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

    Electric Power Management Systems (EPMS) and Supervisory Control and Data Acquisition (SCADA) systems that allows us to calculate device vulnerability and help power substation...

  18. access system analysis: Topics by E-print Network

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

    Electric Power Management Systems (EPMS) and Supervisory Control and Data Acquisition (SCADA) systems that allows us to calculate device vulnerability and help power substation...

  19. aratana kaigo system: Topics by E-print Network

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

    together all its disorders. The systemic destruction involves adaptation and self-organization processes in the locomotor system, whose side effects introduce a positive...

  20. anti-satellite systems: Topics by E-print Network

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

    together all its disorders. The systemic destruction involves adaptation and self-organization processes in the locomotor system, whose side effects introduce a positive...

  1. archael system ignicoccus: Topics by E-print Network

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

    together all its disorders. The systemic destruction involves adaptation and self-organization processes in the locomotor system, whose side effects introduce a positive...

  2. anti-missile systems: Topics by E-print Network

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

    together all its disorders. The systemic destruction involves adaptation and self-organization processes in the locomotor system, whose side effects introduce a positive...

  3. automotive sampling system: Topics by E-print Network

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

    analysis; automotive control system. I. INTRODUCTION In reliability Zachmann, Gabriel 47 System level Analysis of Fault Effect in an Automotive Environment...

  4. automotive quality systems: Topics by E-print Network

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

    analysis; automotive control system. I. INTRODUCTION In reliability Zachmann, Gabriel 50 System level Analysis of Fault Effect in an Automotive Environment...

  5. active protection system: Topics by E-print Network

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

    Computer Technologies and Information Sciences Websites Summary: in implementing safety critical systems such as nuclear reactor protection systems. We have defined new...

  6. acetabular cup system: Topics by E-print Network

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

    three RoboCup simulation league commentator systems: Rocco, from DFKI; Byrne, from Sony CSL; and MIKE, from ETL. Together, the three systems won the scientific award at...

  7. advanced rural transportation systems: Topics by E-print Network

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

    Systems 1999 McGowen, Patrick 7 Functional And Interface Requirements For Advanced Public Transportation Systems University of California eScholarship Repository Summary:...

  8. asset management system: Topics by E-print Network

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

    techniques for early error detection and fast recovery in a database management system (DBMS California at Irvine, University of 405 Division of Information Information Systems...

  9. asthma management system: Topics by E-print Network

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

    techniques for early error detection and fast recovery in a database management system (DBMS California at Irvine, University of 302 Division of Information Information Systems...

  10. acid hybrid system: Topics by E-print Network

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

    Because the discrete part of a hybrid system 107 Series Parallel Hybrid VSC-LCC for HVdc Transmission Systems. Open Access Theses and Dissertations Summary: ??This thesis...

  11. air system design: Topics by E-print Network

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

    generation automotive systems. However, the activities related to diagnosis (e.g., FMEA generation such as the diagnosability of the system being designed or the analysis of...

  12. analysis system midas: Topics by E-print Network

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

    data of the CHAMP satellite. Comparisons are made between vertical electron 14 Systems Analysis Systems Integration Renewable Energy Websites Summary: Domestic energy-based...

  13. analysis system modeling: Topics by E-print Network

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

    Newcastle upon Tyne, University of 98 EquationFree System-Level Dynamic Modeling and Analysis in Energy Processing Engineering Websites Summary: Equation-Free System-Level...

  14. A review of "Hospital Politics in Seventeenth-Century France: The Crown, Urban Elites and the Poor" by Tim McHugh

    E-Print Network [OSTI]

    Broomhill, Susan

    2008-01-01T23:59:59.000Z

    very fascinat- ing in and of themselves? Tim McHugh. Hospital Politics in Seventeenth-Century France: The Crown, Urban Elites and the Poor. Aldershot & Burlington: Ashgate, 2007. x +191 pp. ?55.00; $99.95. Review by su s a n Br o o m h i l l , th e... to gain con- trol of the country through charitable institutions and policies. Tim McHugh?s new text proposes to examine thoroughly the truth of this oft-told tale, not only examining the policies of central govern- ment but importantly those...

  15. CONNECT: Emergent Connectors for Eternal Software Intensive Networked Systems

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    methods, dependability, middleware, specification generation, system synthesis. 1. INTRODUCTION Our of the systems' respective underlying technologies [2]. This leads to a landscape of technological islands. It is a distributed system software layer that resides between applications and the underlying operating systems

  16. Distributed Control of Networked Dynamical Systems: Static Feedback,

    E-Print Network [OSTI]

    Dimarogonas, Dimos

    simulations of autonomous satellites, power systems and building temperature control. Index Terms--Agents and autonomous systems, cooperative con- trol, electrical power systems, PI control I. INTRODUCTION A. General of power systems is typically carried out at two levels, an inner and an outer level. In the inner control

  17. IEEE TRANSACTIONS ON POWER SYSTEMS, VOL. 20, NO. 1, FEBRUARY 2005 43 Power Transmission Network Design by Greedy

    E-Print Network [OSTI]

    Resende, Mauricio G. C.

    IEEE TRANSACTIONS ON POWER SYSTEMS, VOL. 20, NO. 1, FEBRUARY 2005 43 Power Transmission Network these different trajectories. The electric power system expansion planning task is a large- scale optimization), applied to solve static power transmission network design problems. This new approach uses generalized

  18. absorption cooling systems: Topics by E-print Network

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

    Line Systems Astrophysics (arXiv) Summary: A model of Lyman limit QSO absorption systems is investigated where they are produced in gaseous galactic halos with a two-phase...

  19. absorption cooling system: Topics by E-print Network

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

    Line Systems Astrophysics (arXiv) Summary: A model of Lyman limit QSO absorption systems is investigated where they are produced in gaseous galactic halos with a two-phase...

  20. applied systems analysis: Topics by E-print Network

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

    Evgeny Katz 2011-10-08 7 A macro-micro system architecture analysis framework applied to Smart Grid meter data management systems by Sooraj Prasannan. MIT - DSpace Summary: This...

  1. automatic operation system: Topics by E-print Network

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

    that could interfere with the operation of the brush & basket or the sponge rubber ball type systems. BRUSH AND BASKET SYSTEM A typical... of various types of screening and...

  2. aid systems design: Topics by E-print Network

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

    Ben 109 From Proc. CACSD'94 (IEEEIFAC Symp. on Computer-Aided Control System Design), Tucson, AZ, March 1994. c IEEE A Modeling Language for Hybrid Systems Engineering Websites...

  3. air suspension system: Topics by E-print Network

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

    and Comparison of Waste Water Resource Heat Pump Heating and Air-Conditioning System Texas A&M University - TxSpace Summary: Based on the heating and air-conditioning system...

  4. air suspension systems: Topics by E-print Network

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

    and Comparison of Waste Water Resource Heat Pump Heating and Air-Conditioning System Texas A&M University - TxSpace Summary: Based on the heating and air-conditioning system...

  5. atlas production system: Topics by E-print Network

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

    all ATLAS sub-detectors by using a system of >130 server machines running the industrial SCADA product PVSS. This highly distributed system reads, processes and archives of the...

  6. atlas magnet system: Topics by E-print Network

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

    all ATLAS sub-detectors by using a system of >130 server machines running the industrial SCADA product PVSS. This highly distributed system reads, processes and archives of the...

  7. automatic control system: Topics by E-print Network

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

    system including a detector overview, operation aspects and hardware control through a SCADA system, WinCC OA. Oleiro Seabra, Luis Filipe; The ATLAS collaboration 2015-01-01 389...

  8. automatic control systems: Topics by E-print Network

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

    system including a detector overview, operation aspects and hardware control through a SCADA system, WinCC OA. Oleiro Seabra, Luis Filipe; The ATLAS collaboration 2015-01-01 389...

  9. atlas daq system: Topics by E-print Network

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

    all ATLAS sub-detectors by using a system of >130 server machines running the industrial SCADA product PVSS. This highly distributed system reads, processes and archives of the...

  10. atlas trigger system: Topics by E-print Network

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

    all ATLAS sub-detectors by using a system of >130 server machines running the industrial SCADA product PVSS. This highly distributed system reads, processes and archives of the...

  11. atlas point-1 system: Topics by E-print Network

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

    all ATLAS sub-detectors by using a system of >130 server machines running the industrial SCADA product PVSS. This highly distributed system reads, processes and archives of the...

  12. agent system solution: Topics by E-print Network

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

    Agent Systems Summer School (Durham 2007) 2253 Pointers to Other Courses John Zachmann, Gabriel 12 Agent Tcl: A flexible and secure mobile-agent system CiteSeer Summary: An...

  13. agent kikai system: Topics by E-print Network

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

    Agent Systems Summer School (Durham 2007) 2253 Pointers to Other Courses John Zachmann, Gabriel 7 Agent Tcl: A flexible and secure mobile-agent system CiteSeer Summary: An...

  14. air defense system: Topics by E-print Network

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

    system. Much is now known about the post-September Wang, Hai 377 Numerical Analysis of Heat and Moisture Transfer in Underground Air-conditioning Systems Texas A&M University -...

  15. air defense systems: Topics by E-print Network

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

    system. Much is now known about the post-September Wang, Hai 377 Numerical Analysis of Heat and Moisture Transfer in Underground Air-conditioning Systems Texas A&M University -...

  16. analysis system retas: Topics by E-print Network

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

    para toda sequencia (xn)nN em D(f)x0, com lim n Oquendo, Higidio Portillo 3 Systems Analysis Systems Integration Renewable Energy Websites Summary: Domestic energy-based...

  17. activity monitoring system: Topics by E-print Network

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

    Summary: We report on a design and performances of a monitoring system developed for the aerogel Cherenkov counters (ACC) of the BELLE detector. The system consists of blue LEDs,...

  18. air monitoring system: Topics by E-print Network

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

    Summary: We report on a design and performances of a monitoring system developed for the aerogel Cherenkov counters (ACC) of the BELLE detector. The system consists of blue LEDs,...

  19. arrhythmia monitoring system: Topics by E-print Network

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

    Summary: We report on a design and performances of a monitoring system developed for the aerogel Cherenkov counters (ACC) of the BELLE detector. The system consists of blue LEDs,...

  20. aging monitoring system: Topics by E-print Network

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

    Summary: We report on a design and performances of a monitoring system developed for the aerogel Cherenkov counters (ACC) of the BELLE detector. The system consists of blue LEDs,...

  1. assessment monitoring system: Topics by E-print Network

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

    Summary: We report on a design and performances of a monitoring system developed for the aerogel Cherenkov counters (ACC) of the BELLE detector. The system consists of blue LEDs,...

  2. autonomous decentralized systems: Topics by E-print Network

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

    Distributed and Decentralized Control of Residential Energy Systems Incorporating Battery Storage Mathematics Websites Summary: 1 Distributed and Decentralized Control of...

  3. autonomous decentralized system: Topics by E-print Network

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

    Distributed and Decentralized Control of Residential Energy Systems Incorporating Battery Storage Mathematics Websites Summary: 1 Distributed and Decentralized Control of...

  4. avionics systems conference: Topics by E-print Network

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

    ...150 William T. Jennings, Raytheon E-Systems & Southern Methodist University Practical Defenses Against 57 A comparative...

  5. advanced filter systems: Topics by E-print Network

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

    ac transmission systems (FACTS), flywheel energy storage, high voltage dc transmission (HVDC), hypercapacitor, power electronics, supercapacitor, superconducting magnetic energy...

  6. advanced shielding systems: Topics by E-print Network

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

    ac transmission systems (FACTS), flywheel energy storage, high voltage dc transmission (HVDC), hypercapacitor, power electronics, supercapacitor, superconducting magnetic energy...

  7. Advanced microprocessor based power protection system using artificial neural network techniques

    SciTech Connect (OSTI)

    Chen, Z.; Kalam, A.; Zayegh, A. [Victoria Univ. of Technology, Melbourne , Victoria (Australia). Save Energy Research Group

    1995-12-31T23:59:59.000Z

    This paper describes an intelligent embedded microprocessor based system for fault classification in power system protection system using advanced 32-bit microprocessor technology. The paper demonstrates the development of protective relay to provide overcurrent protection schemes for fault detection. It also describes a method for power fault classification in three-phase system based on the use of neural network technology. The proposed design is implemented and tested on a single line three phase power system in power laboratory. Both the hardware and software development are described in detail.

  8. Disruptions in Interdependent Infrastructure Systems: A Network Flows Approach1

    E-Print Network [OSTI]

    Mitchell, John E.

    system affects one or more other infrastructure systems. The approach is to model the salient elements of these systems and provide decision makers with a means to manipulate the set of models, i.e. a decision support (including roads, bridges, water and rail); energy (including electric power, gas and liquid fuels

  9. Modeling the segment polarity gene network First: System is biologically defined; known expression patterns

    E-Print Network [OSTI]

    Albert, Réka

    are assumed to be not expressed. · Generate a set of kinetic parameters from the biologically relevant rangeModeling the segment polarity gene network First: System is biologically defined; known expression Boolean model: mRNA and protein activity is switch-like Validation: reproduces known gene expression

  10. Geophysical Surveying with Marine Networked Mobile Robotic Systems: The WiMUST Project

    E-Print Network [OSTI]

    Jesus, Sérgio M.

    Geophysical Surveying with Marine Networked Mobile Robotic Systems: The WiMUST Project [Extended for geophysical surveying. This paper describes the main features of the envisaged developments, with a focus.00. Figure 1: Conventional geophysical surveying using long lines of towed streamers team. Such teams

  11. B-spline neural networks based PID controller for Hammerstein systems

    E-Print Network [OSTI]

    Chen, Sheng

    B-spline neural networks based PID controller for Hammerstein systems X. Hong1 , S. Iplikci2 S, King Abdulaziz University, Jeddah 21589, Saudi Arabia. Abstract. A new PID tuning and controller of a PID controller together with a correction term. In order to update the control signal, the multi- step

  12. Limits on the network sensitivity function for multi-agent systems on a graph

    E-Print Network [OSTI]

    Murray, Richard M.

    control of interconnected multi-agent systems, focused on the network sensitivity functions. We consider], [3]. We consider agents with identical linear dynamics and we model the interconnection topology and linear matrix inequalities [4], edge agreement [5], [6], linear quadratic regulator [7], decomposition

  13. Limits on the network sensitivity function for homogeneous multi-agent systems on a graph

    E-Print Network [OSTI]

    Murray, Richard M.

    in feedback control of interconnected multi- agent systems, focused on the network sensitivity functions. We linear dynamics and we model the interconnection topology as a graph, in which the single agents], edge agreement [5], [6], linear quadratic regulator [7], decomposition and linear matrix inequalities

  14. A High Performance Computing Network and System Simulator for the Power Grid: NGNS^2

    SciTech Connect (OSTI)

    Villa, Oreste; Tumeo, Antonino; Ciraci, Selim; Daily, Jeffrey A.; Fuller, Jason C.

    2012-11-11T23:59:59.000Z

    Designing and planing next generation power grid sys- tems composed of large power distribution networks, monitoring and control networks, autonomous generators and consumers of power requires advanced simulation infrastructures. The objective is to predict and analyze in time the behavior of networks of systems for unexpected events such as loss of connectivity, malicious attacks and power loss scenarios. This ultimately allows one to answer questions such as: “What could happen to the power grid if ...”. We want to be able to answer as many questions as possible in the shortest possible time for the largest possible systems. In this paper we present a new High Performance Computing (HPC) oriented simulation infrastructure named Next Generation Network and System Simulator (NGNS2 ). NGNS2 allows for the distribution of a single simulation among multiple computing elements by using MPI and OpenMP threads. NGNS2 provides extensive configuration, fault tolerant and load balancing capabilities needed to simulate large and dynamic systems for long periods of time. We show the preliminary results of the simulator running approximately two million simulated entities both on a 64-node commodity Infiniband cluster and a 48-core SMP workstation.

  15. Genetic algorithms for delays evaluation in networked automation systems , S. Amari, J-J. Lesage

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    communication technology at different levels in the industrial organizations; management and automation. Currently, many automation producers and alliances developed their own industrial Ethernet standard (NeumannGenetic algorithms for delays evaluation in networked automation systems B. Addad n , S. Amari, J

  16. A Hybrid Systems Model for Power Control in Multicell Wireless Data Networks

    E-Print Network [OSTI]

    Boyer, Edmond

    A Hybrid Systems Model for Power Control in Multicell Wireless Data Networks Tansu Alpcan 1 of other users can be modeled as interfering noise signals, the goal of power control is more precisely and Tamer Bas¸ar 1 (alpcan, tbasar)@control.csl.uiuc.edu Abstract-- We present a power control scheme based

  17. Vehicle Sharing System Pricing Regulation: Transit Optimization of Intractable Queuing Network

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Vehicle Sharing System Pricing Regulation: Transit Optimization of Intractable Queuing Network. 1 Introduction 1.1 Context Shoup (2005) reports that, based on a sample of 22 US studies, car drivers looking for a parking spot contribute to 30% of the city traffic. Moreover cars are used less than

  18. A prediction based control scheme for networked systems with delays and packet dropouts

    E-Print Network [OSTI]

    Knobloch,Jürgen

    A prediction based control scheme for networked systems with delays and packet dropouts Lars Gr based prediction and time-stamps in order to compensate for delays and packet dropouts to analyze the properties of our scheme, we introduce the notion of prediction consistency which enables us

  19. On Energy-Aware Communication and Control Co-design in Wireless Networked Control Systems

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    On Energy-Aware Communication and Control Co-design in Wireless Networked Control Systems Nicolas that concern energy-aware management in wireless communication and control co-design. It is argued focus on advances that concern energy-aware management in communication and control co- This work

  20. A Mobility and Energy-aware Hierarchical Intrusion Detection System for Mobile ad hoc Networks

    E-Print Network [OSTI]

    Stavrakakis, Ioannis

    A Mobility and Energy-aware Hierarchical Intrusion Detection System for Mobile ad hoc Networks consumption. The proposed architecture adopts and enhances the Mobility and Energy Aware Clustering Algorithm and energy of nodes in the cluster formation in order to improve detection accuracy and re- duce energy

  1. Improving Network Connection Locality on Multicore Systems Aleksey Pesterev Jacob Strauss Nickolai Zeldovich Robert T. Morris

    E-Print Network [OSTI]

    Gummadi, Ramakrishna

    Improving Network Connection Locality on Multicore Systems Aleksey Pesterev Jacob Strauss Nickolai Zeldovich Robert T. Morris MIT CSAIL Quanta Research Cambridge {alekseyp, nickolai, rtm}@csail.mit.edu jacob and that copies bear this notice and the full citation on the first page. To copy otherwise, to republish, to post

  2. Fault-tolerant battery system employing intra-battery network architecture

    DOE Patents [OSTI]

    Hagen, Ronald A. (Stillwater, MN); Chen, Kenneth W. (Fair Oaks, CA); Comte, Christophe (Montreal, CA); Knudson, Orlin B. (Vadnais Heights, MN); Rouillard, Jean (Saint-Luc, CA)

    2000-01-01T23:59:59.000Z

    A distributed energy storing system employing a communications network is disclosed. A distributed battery system includes a number of energy storing modules, each of which includes a processor and communications interface. In a network mode of operation, a battery computer communicates with each of the module processors over an intra-battery network and cooperates with individual module processors to coordinate module monitoring and control operations. The battery computer monitors a number of battery and module conditions, including the potential and current state of the battery and individual modules, and the conditions of the battery's thermal management system. An over-discharge protection system, equalization adjustment system, and communications system are also controlled by the battery computer. The battery computer logs and reports various status data on battery level conditions which may be reported to a separate system platform computer. A module transitions to a stand-alone mode of operation if the module detects an absence of communication connectivity with the battery computer. A module which operates in a stand-alone mode performs various monitoring and control functions locally within the module to ensure safe and continued operation.

  3. An expert system for detecting automobile insurance fraud using social network analysis

    E-Print Network [OSTI]

    Šubelj, Lovro; Bajec, Marko; 10.1016/j.eswa.2010.07.143

    2011-01-01T23:59:59.000Z

    The article proposes an expert system for detection, and subsequent investigation, of groups of collaborating automobile insurance fraudsters. The system is described and examined in great detail, several technical difficulties in detecting fraud are also considered, for it to be applicable in practice. Opposed to many other approaches, the system uses networks for representation of data. Networks are the most natural representation of such a relational domain, allowing formulation and analysis of complex relations between entities. Fraudulent entities are found by employing a novel assessment algorithm, \\textit{Iterative Assessment Algorithm} (\\textit{IAA}), also presented in the article. Besides intrinsic attributes of entities, the algorithm explores also the relations between entities. The prototype was evaluated and rigorously analyzed on real world data. Results show that automobile insurance fraud can be efficiently detected with the proposed system and that appropriate data representation is vital.

  4. Wave propagation in a FitzHugh-Nagumo-type model with modified excitability E. P. Zemskov1,2,* and I. R. Epstein1,

    E-Print Network [OSTI]

    Epstein, Irving R.

    Wave propagation in a FitzHugh-Nagumo-type model with modified excitability E. P. Zemskov1 I. INTRODUCTION Wave propagation and pattern formation in a variety of excitable media can-Lecar equations for neuronal activity. We obtain exact analytic solutions in the form of traveling waves using

  5. Powered Ankle-Foot Prosthesis for the Improvement of Amputee Samuel K. Au, Hugh Herr, Jeff Weber, and Ernesto C. Martinez-Villalpando

    E-Print Network [OSTI]

    Herr, Hugh

    Powered Ankle-Foot Prosthesis for the Improvement of Amputee Ambulation Samuel K. Au, Hugh Herr, control scheme, and clinical evaluation of a novel, motorized ankle-foot prosthesis, called MIT Powered Ankle-Foot Prosthesis. Unlike a conventional passive-elastic ankle-foot prosthesis, this prosthesis can

  6. Committees 2008-2009 as of August 8, 2008 Building Hughes,Blumberg,N.Andrei(S),Thomson, Ransome(F),Koller(S),Cheong,Horton

    E-Print Network [OSTI]

    Cheng, Mei-Fang

    Sheet1 Committees 2008-2009 as of August 8, 2008 Building Hughes(F),N.Andrei(S) Lucent Zimmermann, Oh, E.Andrei Newsletter Gilman, Baker Outreach Baker, Croft, Schnetzer, Matilsky Recruit Kalelkar Undergrad Studies Kalelkar,Baker(F),Bergman, Keeton(S), Horton,Leath, Shapiro Page 1 #12;

  7. Marianne Hromalik, Hugh T. Philipp, Lucas Koerner, Mark W. Tate and Sol M. Gruner (2007). Data Acquisition and Control for a Pixel Array Detector (PAD) for Single

    E-Print Network [OSTI]

    Gruner, Sol M.

    2007-01-01T23:59:59.000Z

    Light Source (LCLS). 2007 IEEE Nucl. Science Symposium Conference Record, 2007. NSS '07. IEEE. 3 : 1744 Acquisition and Control for the LCLS Pixel Array Detector Marianne S. Hromalik , Hugh T. Philipp, Lucas J at the Linac Coherent Light Source (LCLS). The experiment requires that sub-picosecond pulses of 8kEV X

  8. A Study of Wind Energy Use for Space Heating in Prince Edward Island1 Larry Hughes, Mandeep Dhaliwal, Aaron Long, Nikita Sheth

    E-Print Network [OSTI]

    Hughes, Larry

    ERG/200605 A Study of Wind Energy Use for Space Heating in Prince Edward Island1 Larry Hughes, Mandeep Dhaliwal, Aaron Long, Nikita Sheth Energy Research Group Department of Electrical and Computer Engineering Dalhousie University Halifax, Nova Scotia, Canada 19 April 2006 1 This paper has been accepted

  9. assignment systems requirements: Topics by E-print Network

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

    or partial Atiquzzaman, Mohammed 4 Linear Assignment Maps for Correlated System-Environment States Quantum Physics (arXiv) Summary: An assignment map is a mathematical...

  10. automotive control systems: Topics by E-print Network

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

    energy savings can be obtained. Copyright 2003 IFAC Keywords: Automotive Control, Energy Management Systems Johansson, Karl Henrik 128 Create Robust Automotive Designs with...

  11. air conditioning system: Topics by E-print Network

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

    may be eliminated. Physical principals governing airflow in fan systems predict available energy savings from using premium air filters. This energy savings may offset the...

  12. air conditioning systems: Topics by E-print Network

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

    may be eliminated. Physical principals governing airflow in fan systems predict available energy savings from using premium air filters. This energy savings may offset the...

  13. auxiliary cooling system: Topics by E-print Network

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

    Heating and Power (CHP) systems. The concept (more) Liao, Xiaohong 2004-01-01 54 ENERGY SAVINGS AND THERMAL COMFORT OF SEPARATE SENSIBLE AND LATENT COOLING...

  14. animal detection system: Topics by E-print Network

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

    Channel Fault Detection and Diagnosis System for a Small Animal APD-Based Digital PET Scanner CERN Preprints Summary: Fault detection and diagnosis is critical to many...

  15. asia mitigating systemic: Topics by E-print Network

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

    error. Montorsi, Francesco; Vitetta, Giorgio M 2012-01-01 35 Harmonic Analysis of Small Scale Industrial Loads and Harmonic Mitigation Techniques in Industrial Distribution System...

  16. advanced life systems: Topics by E-print Network

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

    of the following Kortenkamp, David 6 Imitation of Life: Advanced system for native Artificial Evolution CERN Preprints Summary: A model for artificial evolution in native x86...

  17. autonomous control system: Topics by E-print Network

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

    Control Systems Engineering Websites Summary: way to achieve it. The field of Artificial Intelligence and Operations Research offer someKEYNOTEADDRESS Towards Autonomous...

  18. alloy system ceru: Topics by E-print Network

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

    INventor) is an expert of new aluminum alloys. The system is a hybrid of several artificial intelligence techniques. Declarative Fox, Mark S. 5 Bath Institute for Complex...

  19. aldosterone system blockade: Topics by E-print Network

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

    tissues, including the adrenal cortex, all of the components of the reninangiotensin system have been identified; however, no specific physiologic role has been clearly...

  20. analyze control systems: Topics by E-print Network

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

    congestion control Srikant, Rayadurgam 24 Analyzing the Redesign of a Distributed Lift System in UPPAAL Computer Technologies and Information Sciences Websites Summary: level of...

  1. alloy systems: Topics by E-print Network

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

    INventor) is an expert of new aluminum alloys. The system is a hybrid of several artificial intelligence techniques. Declarative Fox, Mark S. 3 Bath Institute for Complex...

  2. advisory expert system: Topics by E-print Network

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

    article is structuredExpert System Maintenance Tim Menzies , John Debenham Artificial Intelligence Department, School of Computer Science and Engineering, University of...

  3. alagcu system alloys: Topics by E-print Network

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

    INventor) is an expert of new aluminum alloys. The system is a hybrid of several artificial intelligence techniques. Declarative Fox, Mark S. 3 Bath Institute for Complex...

  4. artificial intelligence systems: Topics by E-print Network

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

    particular Casillas Barranquero, Jorge 7 Intelligent Agents for an Artificial Market System Nikos Karacapilidis Computer Technologies and Information Sciences Websites Summary:...

  5. ac propulsion system: Topics by E-print Network

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

    systems that have been developed by the solar thermal community for use with Stirling engines. Additionally, the highly effective back-surface reflector integrated into...

  6. advisor system amas: Topics by E-print Network

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

    P. Georgiadis, Professor. Adaptive Educational Hypermedia Systems on the Web for the Didactics Computer Technologies and Information Sciences Websites Summary: Dissertation...

  7. air void system: Topics by E-print Network

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

    18 Ventilation Air Preconditioning Systems Texas A&M University - TxSpace Summary: with individual functions, with the ventilation coil optimized for moisture removal and the...

  8. attitude measurement system: Topics by E-print Network

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

    California eScholarship Repository Summary: system cooling and heating part load ratio to chillercooling tower electric andelectric and fossil fuel heating applications is a...

  9. advanced alarm systems: Topics by E-print Network

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

    California eScholarship Repository Summary: system cooling and heating part load ratio to chillercooling tower electric andelectric and fossil fuel heating applications is a...

  10. air transportation system: Topics by E-print Network

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

    Traffic Control 26 Environmental policymaking for air transportation : toward an emissions trading system. Open Access Theses and Dissertations Summary: ??Aviation is at a turning...

  11. air transport system: Topics by E-print Network

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

    Traffic Control 26 Environmental policymaking for air transportation : toward an emissions trading system. Open Access Theses and Dissertations Summary: ??Aviation is at a turning...

  12. aquaculture system biofilters: Topics by E-print Network

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

    by: (Chairman of C it e (Hea of Department... Anderson, Robert Gordon 1978-01-01 3 Fish Health Management Considerations in Recirculating Aquaculture Systems -Part 2:...

  13. apt blanket system: Topics by E-print Network

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

    for the supply of automation systems and fieldbus equipment CERN Preprints Summary: This document concerns the renewal of two blanket purchase contracts for the supply of...

  14. automobile restraint systems: Topics by E-print Network

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

    SYSTEMS, FIRST LEVEL STOCKHOLM, SWEDEN 2014 12;Automobile Control of fossil fuel, there has been an increased focus on electric vehicles. However, current electric...

  15. analysis system tool: Topics by E-print Network

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

    to analyse LCA variability of energy systems Physics Websites Summary: variability in LCA are sensitivity analysis (SA). However, when dealing with environmental impact...

  16. advanced system concepts: Topics by E-print Network

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

    of all classical mechanical systems (mass-points, rigid bodies, continua, point-bodies, etc.). The presentation is based on new notions of vector calculus -- homogeneous and...

  17. assay system combining: Topics by E-print Network

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

    cooling requirement can be met using various optional refrigeration technologies in a CCHP system, including compression refrigeration, steam double-effect absorption...

  18. active optical system: Topics by E-print Network

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

    in 1995 with the Coud Complutense de Madrid, Universidad 4 Active Control of Adaptive Optics System in a Large Segmented Mirror Telescope Engineering Websites Summary: challenging...

  19. advanced fuel systems: Topics by E-print Network

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

    this aim, a heat exchanger based TEG heat recovery Berning, Torsten 129 Thorium as a Fuel for Accelerator Driven Subcritical Electronuclear Systems CERN Preprints Summary:...

  20. accelerator driven systems: Topics by E-print Network

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

    purpose of incinerating long-lived radionuclides in high- level waste 5 Thorium as a Fuel for Accelerator Driven Subcritical Electronuclear Systems CERN Preprints Summary:...

  1. accelerator driven system: Topics by E-print Network

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

    purpose of incinerating long-lived radionuclides in high- level waste 5 Thorium as a Fuel for Accelerator Driven Subcritical Electronuclear Systems CERN Preprints Summary:...

  2. ada compiler system: Topics by E-print Network

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

    in Gypsy Boyer, Robert Stephen 2 Modularization of the DADAISM Ada Database System Architecture Computer Technologies and Information Sciences Websites Summary: Page 1...

  3. automobile navigation systems: Topics by E-print Network

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

    to the already existing systems can tilt the scales in the favour of the manufacturing company and eventually the cost conscious consumer Kanwar Bharat Singh 11 Symplicity Quick...

  4. active hydrothermal systems: Topics by E-print Network

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

    Mars: channelslocatedalongthe margins of impactcrater Farmer, Jack D. 7 Interconnected hydro-thermal systems Models, methods, and applications Computer Technologies and...

  5. active hydrothermal system: Topics by E-print Network

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

    Mars: channelslocatedalongthe margins of impactcrater Farmer, Jack D. 7 Interconnected hydro-thermal systems Models, methods, and applications Computer Technologies and...

  6. animal identification systems: Topics by E-print Network

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

    the performance of the new algorithm1 . I. Introduction Blind identification Reilly, James P. 178 Fuzzy membership function optimization for system identification using an...

  7. arc detector system: Topics by E-print Network

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

    sequential Monte Carlo, particle filtering, frequency selective fading Reilly, James P. 107 A Blind Adaptive Decorrelating Detector for CDMA Systems Lambda Sennur Ulukus...

  8. accurate measuring system: Topics by E-print Network

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

    Modules Engineering Websites Summary: --Integrating residential photovoltaic (PV) power generation and energy storage systems into the Smart Grid is an effective way of...

  9. alanine dosimetry system: Topics by E-print Network

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

    swarming systems does not depend critically on either altruistic user behavior, or on load balancing strategies such as rarest first. 1. Laurent Massouli; Milan Vojnovi?...

  10. avances systemes innovants: Topics by E-print Network

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

    explores the use of genetic programming as a tool in the system design and innovation process. Digital circuits are used as a proxy for complex technological designs. Circuit...

  11. air vehicle systems: Topics by E-print Network

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

    and reliable compressed air system... of compressed air requirements and selection of the compressor and purification equipment are only the first two steps in the compressed air...

  12. appendage system continued: Topics by E-print Network

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

    are no restrictions on the dimensionality of the investigated system, allowing for the analysis of high-dimensional chaotic as well as transient dynamics. The demands on the...

  13. aquifer system california: Topics by E-print Network

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

    City Environmental Health Services Delivery System The purpose service delivery in California with the aim of providing a foundation for informed decision making about...

  14. accelerator control system: Topics by E-print Network

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

    control system is largely based on standard industrial hardware and software components. SIEMENS Simatic S7-300 programmable logic controllers have been used as equipment...

  15. accelerator controls system: Topics by E-print Network

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

    control system is largely based on standard industrial hardware and software components. SIEMENS Simatic S7-300 programmable logic controllers have been used as equipment...

  16. accelerator control systems: Topics by E-print Network

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

    control system is largely based on standard industrial hardware and software components. SIEMENS Simatic S7-300 programmable logic controllers have been used as equipment...

  17. attitude stability system: Topics by E-print Network

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

    such as Gravity Gradient stabilization, (more) Rawashdeh, Samir Ahmed 2010-01-01 3 Design of Attitude Stability System for Prolate Dual-spin Satellite in Its Inclined...

  18. acquisition system atlas: Topics by E-print Network

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

    for several monitoring and control tasks. The Supervisory, Control And Data Acquisition (SCADA) system will use PVSS, a commercial software product chosen for the CERN LHC...

  19. avionics system architecture: Topics by E-print Network

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

    CERN Preprints Summary: The ALICE Detector Control System (DCS) is based on a commercial SCADA product, running on a large Windows computer cluster. It communicates with about...

  20. attack detection system: Topics by E-print Network

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

    is presented Autonoma de Madrid, Universidad 51 Stealthy Deception Attacks on Water SCADA Systems Computer Technologies and Information Sciences Websites Summary: (more than...

  1. assisted training system: Topics by E-print Network

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

    and Implementation of the TRAINS96 System: A Prototype MixedInitiative Planning Assistant Renewable Energy Websites Summary: The Design and Implementation of the TRAINS-96...

  2. anaerobic reactor systems: Topics by E-print Network

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

    Thermonuclear Experimental Reactor and the Nuclear Weapons Proliferation Implications of Thermonuclear-Fusion Energy Systems CiteSeer Summary: This paper contains two parts: (I) A...

  3. army weapon systems: Topics by E-print Network

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

    Thermonuclear Experimental Reactor and the Nuclear Weapons Proliferation Implications of Thermonuclear-Fusion Energy Systems CiteSeer Summary: This paper contains two parts: (I) A...

  4. annular reactor system: Topics by E-print Network

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

    Thermonuclear Experimental Reactor and the Nuclear Weapons Proliferation Implications of Thermonuclear-Fusion Energy Systems CiteSeer Summary: This paper contains two parts: (I) A...

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    approaches: known pattern Pei, Jian 4 Multisensor Data Fusion for Next Generation Distributed Intrusion Detection Systems CiteSeer Summary: Next generation cyberspace intrusion...

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    ON POWER SYSTEMS, VOL. 29, NO. 1, JANUARY 2014 203 Distribution Locational Marginal Pricing for Optimal Power Transmission, Distribution and Plants Websites Summary:...

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    235 Effective Temperature in an Interacting Vertex System: Theory and Experiment on Artificial Spin Ice Computer Technologies and Information Sciences Websites Summary:...

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    206 Effective Temperature in an Interacting Vertex System: Theory and Experiment on Artificial Spin Ice Computer Technologies and Information Sciences Websites Summary:...

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    263 Effective Temperature in an Interacting Vertex System: Theory and Experiment on Artificial Spin Ice Computer Technologies and Information Sciences Websites Summary:...

  11. artificial heart system: Topics by E-print Network

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    233 Effective Temperature in an Interacting Vertex System: Theory and Experiment on Artificial Spin Ice Computer Technologies and Information Sciences Websites Summary:...

  12. artificial hydrothermal system: Topics by E-print Network

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    238 Effective Temperature in an Interacting Vertex System: Theory and Experiment on Artificial Spin Ice Computer Technologies and Information Sciences Websites Summary:...

  13. artificial immune systems: Topics by E-print Network

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

    391 Effective Temperature in an Interacting Vertex System: Theory and Experiment on Artificial Spin Ice Computer Technologies and Information Sciences Websites Summary:...

  14. artificial vein system: Topics by E-print Network

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    203 Effective Temperature in an Interacting Vertex System: Theory and Experiment on Artificial Spin Ice Computer Technologies and Information Sciences Websites Summary:...

  15. automated radar terminal system: Topics by E-print Network

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    Ioannou A, utomatic is todesign and test avehicle control system in order toachieve full vehicle automation in the longitudinal vehicle following isan important feature of a fully...

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    Ioannou A, utomatic is todesign and test avehicle control system in order toachieve full vehicle automation in the longitudinal vehicle following isan important feature of a fully...

  17. automated design system: Topics by E-print Network

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    Ioannou A, utomatic is todesign and test avehicle control system in order toachieve full vehicle automation in the longitudinal vehicle following isan important feature of a fully...

  18. automated chamber system: Topics by E-print Network

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    Ioannou A, utomatic is todesign and test avehicle control system in order toachieve full vehicle automation in the longitudinal vehicle following isan important feature of a fully...

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    and the future expectations and challenges in process automation and power system automation. Anannya Mukherjee 9 Emergency Vehicle Maneuvers and Control Laws for Automated...

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    Ioannou A, utomatic is todesign and test avehicle control system in order toachieve full vehicle automation in the longitudinal vehicle following isan important feature of a fully...