Sample records for hybrid syneregy drive

  1. Evaluation of the 2007 Toyota Camry Hybrid Syneregy Drive System

    SciTech Connect (OSTI)

    Burress, T.A.; Coomer, C.L.; Campbell, S.L.; Seiber, L.E.; Marlino, L.D.; Staunton, R.H.; Cunningham, J.P.

    2008-04-15T23:59:59.000Z

    The U.S. Department of Energy (DOE) and American automotive manufacturers General Motors, Ford, and DaimlerChrysler began a five-year, cost-shared partnership in 1993. Currently, hybrid electric vehicle (HEV) research and development is conducted by DOE through its FreedomCAR and Vehicle Technologies (FCVT) program. The mission of the FCVT program is to develop more energy efficient and environmentally friendly highway transportation technologies. Program activities include research, development, demonstration, testing, technology validation, and technology transfer. These activities are aimed at developing technologies that can be domestically produced in a clean and cost-competitive manner. Under the FCVT program, support is provided through a three-phase approach [1] which is intended to: • Identify overall propulsion and vehicle-related needs by analyzing programmatic goals and reviewing industry’s recommendations and requirements, then develop the appropriate technical targets for systems, subsystems, and component research and development activities; • Develop and validate individual subsystems and components, including electric motors, emission control devices, battery systems, power electronics, accessories, and devices to reduce parasitic losses; and • Determine how well the components and subassemblies work together in a vehicle environment or as a complete propulsion system and whether the efficiency and performance targets at the vehicle level have been achieved. The research performed in this area will help remove technical and cost barriers to enable technology for use in such advanced vehicles as hybrid electric, plug-in hybrid electric, electric, and fuel-cell-powered vehicles.

  2. A Hybrid Controller for Autonomous Vehicles Driving on Automated Highways #

    E-Print Network [OSTI]

    Girault, Alain

    A Hybrid Controller for Autonomous Vehicles Driving on Automated Highways # Alain Girault a a Inria the problem of the hybrid control of autonomous vehicles driving on automated highways. Vehicles to be dealt with: a vehicle driving in a single­lane highway must never collide with its leading vehicle

  3. A Hybrid Controller for Autonomous Vehicles Driving on Automated Highways

    E-Print Network [OSTI]

    Girault, Alain

    A Hybrid Controller for Autonomous Vehicles Driving on Automated Highways Alain Girault a aInria Rh of the hybrid control of autonomous vehicles driving on automated highways. Vehicles are autonomous, so they do not commu- nicate with each other nor with the infrastructure. Two problems have to be dealt with: a vehicle

  4. Electric-drive tractability indicator integrated in hybrid electric vehicle tachometer

    SciTech Connect (OSTI)

    Tamai, Goro; Zhou, Jing; Weslati, Feisel

    2014-09-02T23:59:59.000Z

    An indicator, system and method of indicating electric drive usability in a hybrid electric vehicle. A tachometer is used that includes a display having an all-electric drive portion and a hybrid drive portion. The all-electric drive portion and the hybrid drive portion share a first boundary which indicates a minimum electric drive usability and a beginning of hybrid drive operation of the vehicle. The indicated level of electric drive usability is derived from at least one of a percent battery discharge, a percent maximum torque provided by the electric drive, and a percent electric drive to hybrid drive operating cost for the hybrid electric vehicle.

  5. Initial Low Recycling Improving Confinement and Current Drive in Advanced Tokamak (AT) and Hybrid Scenarios

    E-Print Network [OSTI]

    Initial Low Recycling Improving Confinement and Current Drive in Advanced Tokamak (AT) and Hybrid Scenarios

  6. Physical model of a hybrid electric drive train

    E-Print Network [OSTI]

    Young, Brady W. (Brady William)

    2006-01-01T23:59:59.000Z

    A motor and flywheel system was designed to simulate the dynamics of the electric drive train and inertial mass of a hybrid electric vehicle. The model will serve as a test bed for students in 2.672 to study the energy ...

  7. Driving Pattern Recognition for Control of Hybrid Electric Trucks

    E-Print Network [OSTI]

    Peng, Huei

    Driving Pattern Recognition for Control of Hybrid Electric Trucks CHAN-CHIAO LIN1 , SOONIL JEON2 strategy is to minimize fuel consumption and engine-out NOx and PM emissions on a set of diversified trucks. The 21st Century Truck program in the US, spearheaded by two government agencies, Department

  8. Current ramp-up with lower hybrid current drive in EAST B. J. Ding,1

    E-Print Network [OSTI]

    Current ramp-up with lower hybrid current drive in EAST B. J. Ding,1 M. H. Li,1 N. J. Fisch,2 H hybrid current drive. The first stage of cyclic operation would be to ramp up the plasma current with lower hybrid waves alone in low-density plasma. Such a current ramp-up was carried out successfully

  9. Lower hybrid heating and current drive on PLT

    SciTech Connect (OSTI)

    Stevens, J.E.; Bernabei, S.; Bitter, M.

    1983-03-01T23:59:59.000Z

    800 MHz lower hybrid waves have been launched into PLT with a six waveguide coupler. Recent improvements have allowed powers up to 400 kW to be launched with good coupling (R approx. 10 to 25%). Experiments at low density (anti n/sub e/ < 7 x 10/sup 12/ cm/sup -3/, i.e., ..omega../..omega../sub LH/ > 2) have demonstrated current drive and plasma heating. Experiments at higher densities have produced hot-ion tails, but so far have shown inefficient body heating. To date, only a limited parameters space has been investigated at high power.

  10. HAVE you ever noticed a friend or neighbour driving a new hybrid

    E-Print Network [OSTI]

    Rand, David G.

    HAVE you ever noticed a friend or neighbour driving a new hybrid car and felt pressure to trade? The power of reputation is already being harnessed to protect the environment. Hybrid cars

  11. Theoretical study of ion toroidal rotation in the presence of lower hybrid current drive in a tokamak

    E-Print Network [OSTI]

    Lee, Jungpyo

    2013-01-01T23:59:59.000Z

    In this thesis, the effect of the lower hybrid current drive on ion toroidal rotation in a tokamak is investigated theoretically. Lower hybrid frequency waves are utilized to drive non-inductive current for steady state ...

  12. Performance Comparison of Hybrid Vehicle Energy Management Controllers on Real-World Drive Cycle Data

    E-Print Network [OSTI]

    Grizzle, Jessy W.

    Performance Comparison of Hybrid Vehicle Energy Management Controllers on Real-World Drive Cycle. Hybrid vehicles are characterized by multiple energy sources; the strategy to control the energy flow Data Daniel F. Opila, Xiaoyong Wang, Ryan McGee, Jeffrey A. Cook, and J.W. Grizzle Abstract-- Hybrid

  13. Fig. 1. Typical topological arrangement of a hybrid fuel cell vehicle drive train [2].

    E-Print Network [OSTI]

    Tolbert, Leon M.

    Fig. 1. Typical topological arrangement of a hybrid fuel cell vehicle drive train [2]. TABLE I designed with more robust features. I. INTRODUCTION Fuel cell vehicles (FCV) are widely considered of a hybrid fuel cell vehicle is shown in Fig. 1 [2]. Developments in hybrid automobile industry have

  14. Simulations of Plug-in Hybrid Vehicles Using Advanced Lithium Batteries and Ultracapacitors on Various Driving Cycles

    E-Print Network [OSTI]

    Burke, Andy; Zhao, Hengbing

    2010-01-01T23:59:59.000Z

    Energy Storage System Technology Facing Strong Hybrids,Energy Storage System Design and Its Motor Drive Integration for HybridSystems Gaining Traction, Proceedings of the 19 th International Seminar on Double-layer Capacitors and Hybrid Energy

  15. Evaluation of 2004 Toyota Prius Hybrid Electric Drive System

    SciTech Connect (OSTI)

    Staunton, Robert H [ORNL; Ayers, Curtis William [ORNL; Chiasson, J. N. [University of Tennessee, Knoxville (UTK); Burress, Timothy A [ORNL; Marlino, Laura D [ORNL

    2006-05-01T23:59:59.000Z

    The 2004 Toyota Prius is a hybrid automobile equipped with a gasoline engine and a battery- and generator-powered electric motor. Both of these motive-power sources are capable of providing mechanical-drive power for the vehicle. The engine can deliver a peak-power output of 57 kilowatts (kW) at 5000 revolutions per minute (rpm) while the motor can deliver a peak-power output of 50 kW over the speed range of 1200-1540 rpm. Together, this engine-motor combination has a specified peak-power output of 82 kW at a vehicle speed of 85 kilometers per hour (km/h). In operation, the 2004 Prius exhibits superior fuel economy compared to conventionally powered automobiles. To acquire knowledge and thereby improve understanding of the propulsion technology used in the 2004 Prius, a full range of design characterization studies were conducted to evaluate the electrical and mechanical characteristics of the 2004 Prius and its hybrid electric drive system. These characterization studies included (1) a design review, (2) a packaging and fabrication assessment, (3) bench-top electrical tests, (4) back-electromotive force (emf) and locked rotor tests, (5) loss tests, (6) thermal tests at elevated temperatures, and most recently (7) full-design-range performance testing in a controlled laboratory environment. This final test effectively mapped the electrical and thermal results for motor/inverter operation over the full range of speeds and shaft loads that these assemblies are designed for in the Prius vehicle operations. This testing was undertaken by the Oak Ridge National Laboratory (ORNL) as part of the U.S. Department of Energy (DOE) - Energy Efficiency and Renewable Energy (EERE) FreedomCAR and Vehicle Technologies (FCVT) program through its vehicle systems technologies subprogram. The thermal tests at elevated temperatures were conducted late in 2004, and this report does not discuss this testing in detail. The thermal tests explored the derating of the Prius motor design if operated at temperatures as high as is normally encountered in a vehicle engine. The continuous ratings at base speed (1200 rpm) with different coolant temperatures are projected from test data at 900 rpm. A separate, comprehensive report on this thermal control study is available [1].

  16. Evaluation of 2004 Toyota Prius Hybrid Electric Drive System

    SciTech Connect (OSTI)

    Staunton, R.H.; Ayers, C.W.; Chiasson, J.N. (U Tennessee-Knoxville); Burress, B.A. (ORISE); Marlino, L.D.

    2006-05-01T23:59:59.000Z

    The 2004 Toyota Prius is a hybrid automobile equipped with a gasoline engine and a battery- and generator-powered electric motor. Both of these motive-power sources are capable of providing mechanical-drive power for the vehicle. The engine can deliver a peak-power output of 57 kilowatts (kW) at 5000 revolutions per minute (rpm) while the motor can deliver a peak-power output of 50 kW over the speed range of 1200-1540 rpm. Together, this engine-motor combination has a specified peak-power output of 82 kW at a vehicle speed of 85 kilometers per hour (km/h). In operation, the 2004 Prius exhibits superior fuel economy compared to conventionally powered automobiles. To acquire knowledge and thereby improve understanding of the propulsion technology used in the 2004 Prius, a full range of design characterization studies were conducted to evaluate the electrical and mechanical characteristics of the 2004 Prius and its hybrid electric drive system. These characterization studies included (1) a design review, (2) a packaging and fabrication assessment, (3) bench-top electrical tests, (4) back-electromotive force (emf) and locked rotor tests, (5) loss tests, (6) thermal tests at elevated temperatures, and most recently (7) full-design-range performance testing in a controlled laboratory environment. This final test effectively mapped the electrical and thermal results for motor/inverter operation over the full range of speeds and shaft loads that these assemblies are designed for in the Prius vehicle operations. This testing was undertaken by the Oak Ridge National Laboratory (ORNL) as part of the U.S. Department of Energy (DOE)-Energy Efficiency and Renewable Energy (EERE) FreedomCAR and Vehicle Technologies (FCVT) program through its vehicle systems technologies subprogram. The thermal tests at elevated temperatures were conducted late in 2004, and this report does not discuss this testing in detail. The thermal tests explored the derating of the Prius motor design if operated at temperatures as high as is normally encountered in a vehicle engine. The continuous ratings at base speed (1200 rpm) with different coolant temperatures are projected from test data at 900 rpm. A separate, comprehensive report on this thermal control study is available [1].

  17. Hybrid-drive implosion system for ICF targets

    DOE Patents [OSTI]

    Mark, J.W.K.

    1987-10-14T23:59:59.000Z

    Hybrid-drive implosion systems for ICF targets are described which permit a significant increase in target gain at fixed total driver energy. The ICF target is compressed in two phases, an initial compression phase and a final peak power phase, with each phase driven by a separate, optimized driver. The targets comprise a hollow spherical ablator surroundingly disposed around fusion fuel. The ablator is first compressed to higher density by a laser system, or by an ion beam system, that in each case is optimized for this initial phase of compression of the target. Then, following compression of the ablator, energy is directly delivered into the compressed ablator by an ion beam driver system that is optimized for this second phase of operation of the target. The fusion fuel is driven, at high gain, to conditions wherein fusion reactions occur. This phase separation allows hydrodynamic efficiency and energy deposition uniformity to be individually optimized, thereby securing significant advantages in energy gain. In additional embodiments, the same or separate drivers supply energy for ICF target implosion. 3 figs.

  18. Hybrid-drive implosion system for ICF targets

    DOE Patents [OSTI]

    Mark, James W. (Danville, CA)

    1988-01-01T23:59:59.000Z

    Hybrid-drive implosion systems (20,40) for ICF targets (10,22,42) are described which permit a significant increase in target gain at fixed total driver energy. The ICF target is compressed in two phases, an initial compression phase and a final peak power phase, with each phase driven by a separate, optimized driver. The targets comprise a hollow spherical ablator (12) surroundingly disposed around fusion fuel (14). The ablator is first compressed to higher density by a laser system (24), or by an ion beam system (44), that in each case is optimized for this initial phase of compression of the target. Then, following compression of the ablator, energy is directly delivered into the compressed ablator by an ion beam driver system (30,48) that is optimized for this second phase of operation of the target. The fusion fuel (14) is driven, at high gain, to conditions wherein fusion reactions occur. This phase separation allows hydrodynamic efficiency and energy deposition uniformity to be individually optimized, thereby securing significant advantages in energy gain. In additional embodiments, the same or separate drivers supply energy for ICF target implosion.

  19. Lower hybrid current drive at high density in Alcator C-Mod

    E-Print Network [OSTI]

    Harvey, R.W.

    Experimental observations of lower hybrid current drive (LHCD) at high density on the Alcator C-Mod tokamak are presented in this paper. Bremsstrahlung emission from relativistic fast electrons in the core plasma drops ...

  20. GENETIC TRANSFORMATION AND HYBRIDIZATION The second intron of AGAMOUS drives carpel-

    E-Print Network [OSTI]

    Liu, Zhongchi

    species have impacted the confidence of growers and consumers with regard to genetically modified cropsGENETIC TRANSFORMATION AND HYBRIDIZATION The second intron of AGAMOUS drives carpel- and stamen and foods. Copious amounts of pollen from transgenic crops could pollinate and hybridize with their wild

  1. Paper Number Development of a Hydro-Mechanical Hydraulic Hybrid Drive

    E-Print Network [OSTI]

    Li, Perry Y.

    for the Center for Compact and Efficient Fluid Power at the University of Minnesota. The hydro-mechanical hybrid is leveraging the intrinsically high power density of the hydraulic energy storage system through optimal enginePaper Number Development of a Hydro-Mechanical Hydraulic Hybrid Drive Train with Independent Wheel

  2. Lower hybrid current drive favoured by electron cyclotron radiofrequency heating

    SciTech Connect (OSTI)

    Cesario, R.; Cardinali, A.; Castaldo, C.; Marinucci, M.; Tuccillo, A. A. [Associazione EURATOM/ENEA sulla Fusione, Centro Ricerche Frascati, 00044, Frascati (Italy); Amicucci, L.; Galli, A. [Università di Roma Sapienza, Dipartimento Ingegneria Elettronica, Rome (Italy); Giruzzi, G. [CEA, IRFM, F-13108 Saint-Paul-lez-Durance (France); Napoli, F.; Schettini, G. [Università di Roma Tre, Dipartimento Ingegneria Elettronica, Rome (Italy)

    2014-02-12T23:59:59.000Z

    The important goal of adding to the bootstrap a fraction of non-inductive plasma current, which would be controlled for obtaining and optimizing steady-state profiles, can be reached by using the Current Drive produced by Lower Hybrid waves (LHCD). FTU (Frascati Tokamak Upgrade) experiments demonstrated, indeed, that LHCD is effective at reactor-graded high plasma density, and the LH spectral broadening is reduced, operating with higher electron temperature in the outer region of plasma column (T{sub e-periphery}). This method was obtained following the guidelines of theoretical predictions indicating that the broadening of launched spectrum produced by parametric instability (PI) should be reduced, and the LHCD effect at high density consequently enabled, under higher (T{sub e-periphery}). In FTU, the temperature increase in the outer plasma region was obtained by operating with reduced particle recycling, lithized walls and deep gas fuelling by means of fast pellet. Heating plasma periphery with electron cyclotron resonant waves (ECRH) will provide a further tool for achieving steady-state operations. New FTU experimental results are presented here, demonstrating that temperature effect at the plasma periphery, affecting LH penetration, occurs in a range of plasma parameters broader than in previous work. New information is also shown on the modelling assessing frequencies and growth rates of the PI coupled modes responsible of spectral broadening. Finally, we present the design of an experiment scheduled on FTU next campaign, where ECRH power is used to slightly increase the electron temperature in the outer plasma region of a high-density discharge aiming at restoring LHCD. Consequent to model results, by operating with a toroidal magnetic field of 6.3 T, useful for locating the electron cyclotron resonant layer at the periphery of the plasma column (r/a?0.8, f{sub 0}=144 GHz), an increase of T{sub e} in the outer plasma (from 40 eV to 80 eV at r/a?0.8) is expected by the JETTO code, sufficient for recovering LHCD. An ECRH power of 0.8 MW, and the standard FTU regime at high plasma density (n{sub eav}?1.3×10{sup 20}m{sup ?3} and plasma current of 0.5 MA) have been considered. The code has been set with transport modelling to reproduce the evolution of FTU kinetic profiles.

  3. Current-drive by lower hybrid waves in the presence of energetic alpha-particles

    SciTech Connect (OSTI)

    Fisch, N.J.; Rax, J.M.

    1991-10-01T23:59:59.000Z

    Many experiments have now proved the effectiveness of lower hybrid waves for driving toroidal current in tokamaks. The use of these waves, however, to provide all the current in a reactor is thought to be uncertain because the waves may not penetrate the center of the more energetic reactor plasma, and, if they did, the wave power may be absorbed by alpha particles rather than by electrons. This paper explores the conditions under which lower-hybrid waves might actually drive all the current. 26 refs.

  4. A Robust Hybrid Current Control for Permanent Magnet Synchronous Motor Drive

    E-Print Network [OSTI]

    Boyer, Edmond

    --Recently, the Permanent Magnet Synchronous Motor (PMSM) find a widespread utilization in modern adjustable AC drives. Comparisons using simulations on a 0.9-kW PMSM confirm that the proposed hybrid current controller gives of the stator current, obtained by using a fast Fourier transform, are used for comparison purposes. Index Terms--PMSM

  5. Do You Drive a Hybrid Electric Vehicle? | Department of Energy

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

    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 on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny:Revised Finding of No53197E T ADRAFTJanuary 2004April 2015 < prev nextDrive a

  6. Evaluation of 2005 Honda Accord Hybrid Electric Drive System

    SciTech Connect (OSTI)

    Staunton, R.H.; Burress, T.A.; Marlino, L.D.

    2006-09-11T23:59:59.000Z

    The Hybrid Electric Vehicle (HEV) program officially began in 1993 as a five-year, cost-shared partnership between the U.S. Department of Energy (DOE) and American auto manufacturers: General Motors, Ford, and Daimler Chrysler. Currently, HEV research and development is conducted by DOE through its FreedomCAR and Vehicle Technologies (FCVT) program. The mission of the FCVT program is to develop more energy efficient and environmentally friendly highway transportation technologies. Program activities include research, development, demonstration, testing, technology validation, and technology transfer. These activities are aimed at developing technologies that can be domestically produced in a clean and cost-competitive manner. The vehicle systems technologies subprogram, which is one of four subprograms under the FCVT program, supports the efforts of the FreedomCAR through a three-phase approach [1] intended to: (1) Identify overall propulsion and vehicle-related needs by analyzing programmatic goals and reviewing industry's recommendations and requirements, then develop the appropriate technical targets for systems, subsystems, and component research and development activities; (2) Develop and validate individual subsystems and components, including electric motors, emission control devices, battery systems, power electronics, accessories, and devices to reduce parasitic losses; and (3) Determine how well the components and subassemblies work together in a vehicle environment or as a complete propulsion system and whether the efficiency and performance targets at the vehicle level have been achieved. The research performed under the vehicle systems subprogram will help remove technical and cost barriers to enable technology for use in such advanced vehicles as hybrid electric, plug-in electric, and fuel-cell-powered vehicles.

  7. Lower hybrid current drive at plasma densities required for thermonuclear reactors

    SciTech Connect (OSTI)

    Cesario, R.; Cardinali, A.; Castaldo, C.; Tuccillo, A. A.; Amicucci, L. [Associazione EURATOM/ENEA sulla Fusione, Centro Ricerche Frascati, 00044 Frascati (Italy)

    2011-12-23T23:59:59.000Z

    Driving current in high-density plasmas is essential for the progress of thermonuclear fusion energy research based on the tokamak concept. The lower hybrid current drive (LHCD) effect, is potentially the most suitable tool for driving current at large plasma radii, consistent with the needs of ITER steady state scenario. Unfortunately, experiments at reactor grade high plasma densities with kinetic profiles approaching those required for ITER, have shown problems in penetration of the LH power into the core plasma. These plasmas represent a basic reference for designing possible methods useful for assessing the LHCD concept in ITER. On the basis of the phenomenology observed during LHCD experiments carried out in different machines, and model of the spectral broadening effect due to parametric instability, an interpretation and possible solution of the related important problem is presented.

  8. Hydraulic Hybrid and Conventional Parcel Delivery Vehicles' Measured Laboratory Fuel Economy on Targeted Drive Cycles

    SciTech Connect (OSTI)

    Lammert, M. P.; Burton, J.; Sindler, P.; Duran, A.

    2014-10-01T23:59:59.000Z

    This research project compares laboratory-measured fuel economy of a medium-duty diesel powered hydraulic hybrid vehicle drivetrain to both a conventional diesel drivetrain and a conventional gasoline drivetrain in a typical commercial parcel delivery application. Vehicles in this study included a model year 2012 Freightliner P100H hybrid compared to a 2012 conventional gasoline P100 and a 2012 conventional diesel parcel delivery van of similar specifications. Drive cycle analysis of 484 days of hybrid parcel delivery van commercial operation from multiple vehicles was used to select three standard laboratory drive cycles as well as to create a custom representative cycle. These four cycles encompass and bracket the range of real world in-use data observed in Baltimore United Parcel Service operations. The NY Composite cycle, the City Suburban Heavy Vehicle Cycle cycle, and the California Air Resources Board Heavy Heavy-Duty Diesel Truck (HHDDT) cycle as well as a custom Baltimore parcel delivery cycle were tested at the National Renewable Energy Laboratory's Renewable Fuels and Lubricants Laboratory. Fuel consumption was measured and analyzed for all three vehicles. Vehicle laboratory results are compared on the basis of fuel economy. The hydraulic hybrid parcel delivery van demonstrated 19%-52% better fuel economy than the conventional diesel parcel delivery van and 30%-56% better fuel economy than the conventional gasoline parcel delivery van on cycles other than the highway-oriented HHDDT cycle.

  9. Lower-hybrid current drive with opposing ohmic drive on PLT

    SciTech Connect (OSTI)

    Stevens, J.; von Goeler, S.; Bernabei, S.; Chu, T.K.; Hooke, W.; Jobes, F.; Meservey, E.; Motley, R.

    1983-06-01T23:59:59.000Z

    Two distinct conditions where the rf phase velocity is directed opposite to the ohmically induced electron drift have been studied experimentally: (1) rf current ramp-up (f/sub p/ > 0), where an induced electric field opposes the current increase; (2) rf current ramp-down, where waves are launched opposite the electron drift direction for a decaying plasma current. The time behavior of the electron tail is inferred from hard x-ray (30 to 750 keV) emission as a function of angle to B. In cases (1) and (2) we find that the emission amplitude in the reverse (opposite the LH phase velocity) direction increases throughout the rf pulse, while it is constant in the forward direction. This increase indicates that some high energy electrons are accelerated or are even running away in the direction opposite to the main rf produced tail. It also indicates for case (1) that the electric field in the plasma center has been reversed by the rf current drive.

  10. Simulated fuel economy and emissions performance during city and interstate driving for a heavy-duty hybrid truck

    SciTech Connect (OSTI)

    Daw, C Stuart [ORNL; Gao, Zhiming [ORNL; Smith, David E [ORNL; LaClair, Tim J [ORNL; Pihl, Josh A [ORNL; Edwards, Kevin Dean [ORNL

    2013-01-01T23:59:59.000Z

    We compare simulated fuel economy and emissions for both conventional and hybrid class 8 heavy-duty diesel trucks operating over multiple urban and highway driving cycles. Both light and heavy freight loads were considered, and all simulations included full aftertreatment for NOx and particulate emissions controls. The aftertreatment components included a diesel oxidation catalyst (DOC), urea-selective catalytic NOx reduction (SCR), and a catalyzed diesel particulate filter (DPF). Our simulated hybrid powertrain was configured with a pre-transmission parallel drive, with a single electric motor between the clutch and gearbox. A conventional HD truck with equivalent diesel engine and aftertreatment was also simulated for comparison. Our results indicate that hybridization can significantly increase HD fuel economy and improve emissions control in city driving. However, there is less potential hybridization benefit for HD highway driving. A major factor behind the reduced hybridization benefit for highway driving is that there are fewer opportunities to utilize regenerative breaking. Our aftertreatment simulations indicate that opportunities for passive DPF regeneration are much greater for both hybrid and conventional trucks during highway driving due to higher sustained exhaust temperatures. When passive DPF regeneration is extensively utilized, the fuel penalty for particulate control is virtually eliminated, except for the 0.4%-0.9% fuel penalty associated with the slightly higher exhaust backpressure.

  11. Evaluation of 2004 Toyota Prius Hybrid Electric Drive System Interim Report

    SciTech Connect (OSTI)

    Ayers, C.W.

    2004-11-23T23:59:59.000Z

    Laboratory tests were conducted to evaluate the electrical and mechanical performance of the 2004 Toyota Prius and its hybrid electric drive system. As a hybrid vehicle, the 2004 Prius uses both a gasoline-powered internal combustion engine and a battery-powered electric motor as motive power sources. Innovative algorithms for combining these two power sources results in improved fuel efficiency and reduced emissions compared to traditional automobiles. Initial objectives of the laboratory tests were to measure motor and generator back-electromotive force (emf) voltages and determine gearbox-related power losses over a specified range of shaft speeds and lubricating oil temperatures. Follow-on work will involve additional performance testing of the motor, generator, and inverter. Information contained in this interim report summarizes the test results obtained to date, describes preliminary conclusions and findings, and identifies additional areas for further study.

  12. Evaluation of 2004 Toyota Prius Hybrid Electic Drive System Interim Report - Revised

    SciTech Connect (OSTI)

    Ayers, C.W.; Hsu, J.S.; Marlino, L.D.; Miller, C.W.; Ott, G.W., Jr.; Oland, C.B.; Burress, T.A.

    2007-07-31T23:59:59.000Z

    The 2004 Toyota Prius is a hybrid automobile equipped with a gasoline engine and a battery-powered electric motor. Both of these motive power sources are capable of providing mechanical drive power for the vehicle. The engine can deliver a peak power output of 57 kilowatts (kW) at 5000 revolutions per minute (rpm) while the motor can deliver a peak power output of 50 kW at 1300 rpm. Together, this engine-motor combination has a specified peak power output of 82 kW at a vehicle speed of 85 kilometers per hour (km/h). In operation, the 2004 Prius exhibits superior fuel economy compared to conventionally powered automobiles. Laboratory tests were conducted to evaluate the electrical and mechanical performance of the 2004 Toyota Prius and its hybrid electric drive system. As a hybrid vehicle, the 2004 Prius uses both a gasoline-powered internal combustion engine and a battery-powered electric motor as motive power sources. Innovative algorithms for combining these two power sources results in improved fuel efficiency and reduced emissions compared to traditional automobiles. Initial objectives of the laboratory tests were to measure motor and generator back-electromotive force (emf) voltages and determine gearbox-related power losses over a specified range of shaft speeds and lubricating oil temperatures. Follow-on work will involve additional performance testing of the motor, generator, and inverter. Information contained in this interim report summarizes the test results obtained to date, describes preliminary conclusions and findings, and identifies additional areas for further study.

  13. A survey of the current experimental database for lower hybrid current-drive and heating

    SciTech Connect (OSTI)

    Blackfield, D.T.

    1988-02-10T23:59:59.000Z

    The proposed ITER design may rely heavily on Lower Hybrid waves to provide heating, current drive, MHD stabilization through current profile modification and transformer recharging. This paper presents a detailed survey of recent LH experimental results from PLT, Alcator C, ASDEX, Petula-B, FT and JT-60. Current drive and heating efficiencies are given, as well as regimes where sawteeth and m = 1 and 2 oscillations are stabilized. In addition, in ASDEX and JT-60, LH waves in combination with neutral beams, (a possible ITER scenario) experiments are examined. Finally, the current drive efficiency for ITER is obtained by extrapolating from the LHCD database. Assuming 12 MW of LH power, approximately 4.5 to 5.6 MA of current could be driven in ITER. However, the high density (/ovr /n///sub e/ = 8 /times/ 10/sup 19/ m/sup /minus/3/) and high temperature (/ovr/T///sub e/ = 21 keV) will preclude wave penetration to the center. Assuming a narrow N/sub /parallel// spectrum (1.2 /approx lt/ N/sub /parallel// /approx lt/ 2) the LH waves should be absorbed within the outer half of the plasma. 43 refs., 18 figs., 10 tabs.

  14. Ion cyclotron and lower hybrid arrays applicable to current drive in fusion reactors

    SciTech Connect (OSTI)

    Bosia, G.; Ragona, R. [Department of Physics, Università di Torino (Italy); Helou, W.; Goniche, M.; Hillaret, J. [CEA/DSM/IRFM F-13 108 St Paul Les Durance (France)

    2014-02-12T23:59:59.000Z

    This paper presents concepts for Ion Cyclotron and Lower Hybrid Current Drive arrays applicable to fusion reactors and based on periodically loaded line power division. It is shown that, in large arrays, such as the ones proposed for fusion reactor applications, these schemes can offer, in principle, a number of practical advantages, compared with currently adopted ones, such as in-blanket operation at significantly reduced power density, lay out suitable for water cooling, single ended or balanced power feed, simple and load independent impedance matching In addition, a remote and accurate real time measurement of the complex impedance of all array elements as well as detection, location, and measurement of the complex admittance of a single arc occurring anywhere in the structure is possible.

  15. Comparative urban drive cycle simulations of light-duty hybrid vehicles with gasoline or diesel engines and emissions controls

    SciTech Connect (OSTI)

    Gao, Zhiming [ORNL] [ORNL; Daw, C Stuart [ORNL] [ORNL; Smith, David E [ORNL] [ORNL

    2013-01-01T23:59:59.000Z

    Electric hybridization is a very effective approach for reducing fuel consumption in light-duty vehicles. Lean combustion engines (including diesels) have also been shown to be significantly more fuel efficient than stoichiometric gasoline engines. Ideally, the combination of these two technologies would result in even more fuel efficient vehicles. However, one major barrier to achieving this goal is the implementation of lean-exhaust aftertreatment that can meet increasingly stringent emissions regulations without heavily penalizing fuel efficiency. We summarize results from comparative simulations of hybrid electric vehicles with either stoichiometric gasoline or diesel engines that include state-of-the-art aftertreatment emissions controls for both stoichiometric and lean exhaust. Fuel consumption and emissions for comparable gasoline and diesel light-duty hybrid electric vehicles were compared over a standard urban drive cycle and potential benefits for utilizing diesel hybrids were identified. Technical barriers and opportunities for improving the efficiency of diesel hybrids were identified.

  16. The lower hybrid (LH) heating and current drive system can generate 10-12 MW of microwave power

    E-Print Network [OSTI]

    Background The lower hybrid (LH) heating and current drive system can generate 10-12 MW reflecting optics · Remote vacuum window manufactured by CCFE · Industrial contract for periscope manufacture with Zemax model · Remote, IR compatible, double vacuum window with pumped interspace · 4, two colour

  17. Recent progress on lower hybrid current drive and implications for ITER

    E-Print Network [OSTI]

    Hillairet, Julien; Goniche, M; Achard, J; Armitano, A; Beckett, B; Belo, J; Berger-By, G; Corbel, E; Delpech, L; Decker, J; Dumont, R; Guilhem, D; Kazarian, F; Litaudon, X; Magne, R; Marfisi, L; Mollard, P; Namkung, W; Nilsson, E; Park, S; Peysson, Y; Preynas, M; Sharma, P K; Prou, M

    2015-01-01T23:59:59.000Z

    The sustainment of steady-state plasmas in tokamaks requires efficient current drive systems. Lower Hybrid Current Drive (LHCD) is currently the most efficient method to generate a continuous additional off-axis toroidal plasma current as well as reduce the poloidal flux consumption during the plasma current ramp-up phase. The operation of the Tore Supra ITER-like LH launcher has demonstrated the capability to couple LH power at ITER-like power densities with very low reflected power during long pulses. In addition, the installation of eight 700kW/CW klystrons at the LH transmitter has allowed increasing the total LH power in long pulse scenarios. However, in order to achieve pure stationary LH sustained plasmas, some R\\&D are needed to increase the reliability of all the systems and codes, from the RF sources to the plasma scenario prediction. The CEA/IRFM is addressing some of these issues by leading a R\\&D program towards an ITER LH system and by the validation of an integrated LH modeling suite of...

  18. Proceedings of the 2002 Advanced Vehicle Control Conference, Hiroshima, Japan, September 2002 Control of a Hybrid Electric Truck Based on Driving

    E-Print Network [OSTI]

    Peng, Huei

    initiated, aiming to duplicate the success of hybrid powertrain on passenger cars to light and heavy trucks demonstrated by several prototype hybrid passenger cars, produced by the PNGV program, will be an unrealistic Control of a Hybrid Electric Truck Based on Driving Pattern Recognition Chan-Chiao Lin, Huei Peng Soonil

  19. Modeling, Simulation Design and Control of Hybrid-Electric Vehicle Drives

    SciTech Connect (OSTI)

    Giorgio Rizzoni

    2005-09-30T23:59:59.000Z

    Ohio State University (OSU) is uniquely poised to establish such a center, with interdisciplinary emphasis on modeling, simulation, design and control of hybrid-electric drives for a number of reasons, some of which are: (1) The OSU Center for Automotive Research (CAR) already provides an infrastructure for interdisciplinary automotive research and graduate education; the facilities available at OSU-CAR in the area of vehicle and powertrain research are among the best in the country. CAR facilities include 31,000 sq. feet of space, multiple chassis and engine dynamometers, an anechoic chamber, and a high bay area. (2) OSU has in excess of 10 graduate level courses related to automotive systems. A graduate level sequence has already been initiated with GM. In addition, an Automotive Systems Engineering (ASE) program cosponsored by the mechanical and electrical engineering programs, had been formulated earlier at OSU, independent of the GATE program proposal. The main objective of the ASE is to provide multidisciplinary graduate education and training in the field of automotive systems to Masters level students. This graduate program can be easily adapted to fulfill the spirit of the GATE Center of Excellence. (3) A program in Mechatronic Systems Engineering has been in place at OSU since 1994; this program has a strong emphasis on automotive system integration issues, and has emphasized hybrid-electric vehicles as one of its application areas. (4) OSU researchers affiliated with CAR have been directly involved in the development and study of: HEV modeling and simulation; electric drives; transmission design and control; combustion engines; and energy storage systems. These activities have been conducted in collaboration with government and automotive industry sponsors; further, the same researchers have been actively involved in continuing education programs in these areas with the automotive industry. The proposed effort will include: (1) The development of a laboratory facility that will include: electric drive and IC engine test benches; a test vehicle designed for rapid installation of prototype drives; benches for the measurement and study of HEV energy storage components (batteries, ultra-capacitors, flywheels); hardware-in-the-loop control system development tools. (2) The creation of new courses and upgrades of existing courses on subjects related to: HEV modeling and simulation; supervisory control of HEV drivetrains; engine, transmission, and electric drive modeling and control. Specifically, two new courses (one entitled HEV Component Analysis: and the other entitled HEV System Integration and Control) will be developed. Two new labs, that will be taught with the courses (one entitled HEV Components Lab and one entitled HEV Systems and Control lab) will also be developed. (3) The consolidation of already existing ties among faculty in electrical and mechanical engineering departments. (4) The participation of industrial partners through: joint laboratory development; internship programs; continuing education programs; research project funding. The proposed effort will succeed because of the already exceptional level of involvement in HEV research and in graduate education in automotive engineering at OSU, and because the PIs have a proven record of interdisciplinary collaboration as evidenced by joint proposals, joint papers, and co-advising of graduate students. OSU has been expanding its emphasis in Automotive Systems for quite some time. This has led to numerous successes such as the establishment of the Center of Automotive Research, a graduate level course sequence with GM, and numerous grants and contracts on automotive research. The GATE Center of Excellence is a natural extension of what educators at OSU already do well.

  20. Study on lower hybrid current drive efficiency at high density towards long-pulse regimes in Experimental Advanced Superconducting Tokamak

    SciTech Connect (OSTI)

    Li, M. H.; Ding, B. J.; Zhang, J. Z.; Gan, K. F.; Wang, H. Q.; Zhang, L.; Wei, W.; Li, Y. C.; Wu, Z. G.; Ma, W. D.; Jia, H.; Chen, M.; Yang, Y.; Feng, J. Q.; Wang, M.; Xu, H. D.; Shan, J. F.; Liu, F. K. [Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031 (China); Peysson, Y. [CEA, IRFM, F-13108 Saint Paul-Lez-Durance (France); and others

    2014-06-15T23:59:59.000Z

    Significant progress on both L- and H-mode long-pulse discharges has been made recently in Experimental Advanced Superconducting Tokamak (EAST) with lower hybrid current drive (LHCD) [J. Li et al., Nature Phys. 9, 817 (2013) And B. N. Wan et al., Nucl. Fusion 53, 104006 (2013).]. In this paper, LHCD experiments at high density in L-mode plasmas have been investigated in order to explore possible methods of improving current drive (CD) efficiency, thus to extend the operational space in long-pulse and high performance plasma regime. It is observed that the normalized bremsstrahlung emission falls much more steeply than 1/n{sub e-av} (line-averaged density) above n{sub e-av}?=?2.2?×?10{sup 19}?m{sup ?3} indicating anomalous loss of CD efficiency. A large broadening of the operating line frequency (f?=?2.45?GHz), measured by a radio frequency (RF) probe located outside the EAST vacuum vessel, is generally observed during high density cases, which is found to be one of the physical mechanisms resulting in the unfavorable CD efficiency. Collisional absorption of lower hybrid wave in the scrape off layer (SOL) may be another cause, but this assertion needs more experimental evidence and numerical analysis. It is found that plasmas with strong lithiation can improve CD efficiency largely, which should be benefited from the changes of edge parameters. In addition, several possible methods are proposed to recover good efficiency in future experiments for EAST.

  1. Comparison of Plug-In Hybrid Electric Vehicle Battery Life Across Geographies and Drive-Cycles

    SciTech Connect (OSTI)

    Smith, K.; Warleywine, M.; Wood, E.; Neubauer, J.; Pesaran, A.

    2012-06-01T23:59:59.000Z

    In a laboratory environment, it is cost prohibitive to run automotive battery aging experiments across a wide range of possible ambient environment, drive cycle and charging scenarios. Since worst-case scenarios drive the conservative sizing of electric-drive vehicle batteries, it is useful to understand how and why those scenarios arise and what design or control actions might be taken to mitigate them. In an effort to explore this problem, this paper applies a semi-empirical life model of the graphite/nickel-cobalt-aluminum lithium-ion chemistry to investigate impacts of geographic environments under storage and simplified cycling conditions. The model is then applied to analyze complex cycling conditions, using battery charge/discharge profiles generated from simulations of PHEV10 and PHEV40 vehicles across 782 single-day driving cycles taken from Texas travel survey data.

  2. Current profile modification during lower hybrid current drive in the Princeton Beta Experiment-Modification

    SciTech Connect (OSTI)

    Kaita, R.; Bell, R. [Princeton Univ., NJ (United States). Plasma Physics Lab.; Batha, S.H. [Fusion Physics and Technology, Torrance, CA (United States)] [and others

    1996-02-01T23:59:59.000Z

    Current profile modification with lower hybrid waves has been demonstrated in the Princeton Beta Experiment-Modification tokamak. When the n{parallel} spectrum of the launched waves was varied, local changes in the current profile were observed according to equilibria reconstructed from motional Stark effect polarimetry measurements. Changes in the central safety factor (q) were also determined to be a function of the applied radio frequency (rf) power. These results have been modeled with the Tokamak Simulation Code/Lower Hybrid Simulation Code, which is able to duplicate the general trends seen in the data.

  3. Simulations of Plug-in Hybrid Vehicles Using Advanced Lithium Batteries and Ultracapacitors on Various Driving Cycles

    E-Print Network [OSTI]

    Burke, Andy; Zhao, Hengbing

    2010-01-01T23:59:59.000Z

    and Batteries for Hybrid Vehicle Applications, 23 rdSimulations of Plug-in Hybrid Vehicles using Advancedultracapacitors in plug-in hybrid vehicles (PHEVs) with high

  4. Method and system for determining the torque required to launch a vehicle having a hybrid drive-train

    DOE Patents [OSTI]

    Hughes, Douglas A.

    2006-04-04T23:59:59.000Z

    A method and system are provided for determining the torque required to launch a vehicle having a hybrid drive-train that includes at least two independently operable prime movers. The method includes the steps of determining the value of at least one control parameter indicative of a vehicle operating condition, determining the torque required to launch the vehicle from the at least one determined control parameter, comparing the torque available from the prime movers to the torque required to launch the vehicle, and controlling operation of the prime movers to launch the vehicle in response to the comparing step. The system of the present invention includes a control unit configured to perform the steps of the method outlined above.

  5. Development and Demonstration of a Low Cost Hybrid Drive Train for Medium and Heavy Duty Vehicles

    SciTech Connect (OSTI)

    Strangas, Elias; Schock, Harold; Zhu, Guoming; Moran, Kevin; Ruckle, Trevor; Foster, Shanelle; Cintron-Rivera, Jorge; Tariq, Abdul; Nino-Baron, Carlos

    2011-04-30T23:59:59.000Z

    The DOE sponsored effort is part of a larger effort to quantify the efficiency of hybrid powertrain systems through testing and modeling. The focus of the DOE sponsored activity was the design, development and testing of hardware to evaluate the efficiency of the electrical motors relevant to medium duty vehicles. Medium duty hybrid powertrain motors and generators were designed, fabricated, setup and tested. The motors were a permanent magnet configuration, constructed at Electric Apparatus Corporation in Howell, Michigan. The purpose of this was to identify the potential gains in terms of fuel cost savings that could be realized by implementation of such a configuration. As the electric motors constructed were prototype designs, the scope of the project did not include calculation of the costs of mass production of the subject electrical motors or generator.

  6. Measured Laboratory and In-Use Fuel Economy Observed over Targeted Drive Cycles for Comparable Hybrid and Conventional Package Delivery Vehicles

    SciTech Connect (OSTI)

    Lammert, M. P.; Walkowicz, K.; Duran, A.; Sindler, P.

    2012-10-01T23:59:59.000Z

    In-use and laboratory-derived fuel economies were analyzed for a medium-duty hybrid electric drivetrain with 'engine off at idle' capability and a conventional drivetrain in a typical commercial package delivery application. Vehicles studied included eleven 2010 Freightliner P100H hybrids in service at a United Parcel Service facility in Minneapolis during the first half of 2010. The hybrids were evaluated for 18 months against eleven 2010 Freightliner P100D diesels at the same facility. Both vehicle groups use the same 2009 Cummins ISB 200-HP engine. In-use fuel economy was evaluated using UPS's fueling and mileage records, periodic ECM image downloads, and J1939 CAN bus recordings during the periods of duty cycle study. Analysis of the in-use fuel economy showed 13%-29% hybrid advantage depending on measurement method, and a delivery route assignment analysis showed 13%-26% hybrid advantage on the less kinetically intense original diesel route assignments and 20%-33% hybrid advantage on the more kinetically intense original hybrid route assignments. Three standardized laboratory drive cycles were selected that encompassed the range of real-world in-use data. The hybrid vehicle demonstrated improvements in ton-mi./gal fuel economy of 39%, 45%, and 21% on the NYC Comp, HTUF Class 4, and CARB HHDDT test cycles, respectively.

  7. A Soft-Switching Inverter for High-Temperature Advanced Hybrid Electric Vehicle Traction Motor Drives

    SciTech Connect (OSTI)

    None, None

    2012-01-31T23:59:59.000Z

    The state-of-the-art hybrid electric vehicles (HEVs) require the inverter cooling system to have a separate loop to avoid power semiconductor junction over temperatures because the engine coolant temperature of 105?C does not allow for much temperature rise in silicon devices. The proposed work is to develop an advanced soft-switching inverter that will eliminate the device switching loss and cut down the power loss so that the inverter can operate at high-temperature conditions while operating at high switching frequencies with small current ripple in low inductance based permanent magnet motors. The proposed tasks also include high-temperature packaging and thermal modeling and simulation to ensure the packaged module can operate at the desired temperature. The developed module will be integrated with the motor and vehicle controller for dynamometer and in-vehicle testing to prove its superiority. This report will describe the detailed technical design of the soft-switching inverters and their test results. The experiments were conducted both in module level for the module conduction and switching characteristics and in inverter level for its efficiency under inductive and dynamometer load conditions. The performance will be compared with the DOE original specification.

  8. PM Motor Parametric Design Analyses for a Hybrid Electric Vehicle Traction Drive Application

    SciTech Connect (OSTI)

    Staunton, R.H.

    2004-10-11T23:59:59.000Z

    The Department of Energy's (DOE) Office of FreedomCAR (Cooperative Automotive Research) and Vehicle Technologies office has a strong interest in making rapid progress in permanent magnet (PM) machine development. The DOE FreedomCAR program is directing various technology development projects that will advance the technology and hopefully lead to a near-term request for proposals (RFP) for a to-be-determined level of initial production. This aggressive approach is possible because the technology is clearly within reach and the approach is deemed essential, based on strong market demand, escalating fuel prices, and competitive considerations. In response, this study began parallel development paths that included a literature search/review, development and utilization of multiple parametric models, verification of the modeling methodology, development of an interior PM (IPM) machine baseline design, development of alternative machine baseline designs, and cost analyses for several candidate machines. This report summarizes the results of these activities as of September 2004. This report provides background and summary information for recent machine parametric studies and testing programs that demonstrate both the potential capabilities and technical limitations of brushless PM machines (axial gap and radial gap), the IPM machine, the surface-mount PM machines (interior or exterior rotor), induction machines, and switched-reluctance machines. The FreedomCAR program, while acknowledging the progress made by Oak Ridge National Laboratory (ORNL), Delphi, Delco-Remy International, and others in these programs, has redirected efforts toward a ''short path'' to a marketable and competitive PM motor for hybrid electric vehicle (HEV) traction applications. The program has developed a set of performance targets for the type of traction machine desired. The short-path approach entails a comprehensive design effort focusing on the IPM machine and meeting the performance targets. The selection of the IPM machine reflects industry's confidence in this market-proven design that exhibits a high power density.

  9. PM Motor Parametric Design Analyses for Hybrid Electric Vehicle Traction Drive Application: Interim Report

    SciTech Connect (OSTI)

    Staunton, R.H.

    2004-08-11T23:59:59.000Z

    The Department of Energy's (DOE) Office of FreedomCAR (Cooperative Automotive Research) and Vehicle Technologies has a strong interest in making rapid progress in permanent magnet (PM) machine development. The program is directing various technology development projects that will advance the technology and lead to request for proposals (RFP) for manufacturer prototypes. This aggressive approach is possible because the technology is clearly within reach and the approach is deemed essential, based on strong market demand, escalating fuel prices, and competitive considerations. In response, this study began parallel development paths that included a literature search/review, development and utilization of multiple parametric models to determine the effects of design parameters, verification of the modeling methodology, development of an interior PM (IPM) machine baseline design, development of alternative machine baseline designs, and cost analyses for several candidate machines. This interim progress report summarizes the results of these activities as of June 2004. This report provides background and summary information for recent machine parametric studies and testing programs that demonstrate both the potential capabilities and technical limitations of brushless PM machines (axial gap and radial gap), the IPM machine, the surface-mount PM machines (interior or exterior rotor), induction machines, and switched reluctance machines. The FreedomCAR program, while acknowledging the progress made by Oak Ridge National Laboratory, Delphi, Delco-Remy International, and others in these programs, has redirected efforts toward a ''short path'' to a marketable and competitive PM motor for hybrid electric vehicle traction applications. The program has developed a set of performance targets for the type of traction machine desired. The short-path approach entails a comprehensive design effort focusing on the IPM machine and meeting the performance targets. The selection of the IPM machine reflects industry's confidence in this market-proven design that exhibits a power density surpassed by no other machine design.

  10. Optimisation of a high speed rotating composite drive shaft using a genetic algorithm - Hybrid high modulus-high resistance carbon solutions

    E-Print Network [OSTI]

    Montagnier, Olivier

    2011-01-01T23:59:59.000Z

    This study deals with the optimisation of subcritical and supercritical laminated composite drive shafts, based on a genetic algorithm. The first part focuses on the modelling of a composite drive shaft. Flexural vibrations in a simply supported composite drive shaft mounted on viscoelastic supports, including shear effects are studied. In particular, an analytic stability criterion is developed to ensure the integrity of the system. The torsional strength is then computed with the maximum stress criterion, assuming the coupling effects to be null. Torsional buckling of thin walled composite tubes is modelled using a combination between laminate theory and Fl\\"ugge theory. In the second part, the genetic algorithm is developed. The last part presents a comparative study between various composite materials solutions on a helicopter tail rotor driveline. In particular, hybrid tubes consisting of high modulus and high resistance carbon/epoxy plies are studied. These solutions make it possible to replace the conv...

  11. Influence of driving patterns on life cycle cost and emissions of hybrid and plug-in electric vehicle powertrains

    E-Print Network [OSTI]

    Michalek, Jeremy J.

    assessment Plug-in hybrid electric vehicles a b s t r a c t We compare the potential of hybrid, extended-range plug-in hybrid, and battery electric vehicles to reduce lifetime cost and life cycle greenhouse gas) reduces the all-electric range of plug-in vehicles by up to 45% compared to milder test cycles (like HWFET

  12. Subcontract Report: Final Report on Assessment of Motor Technologies for Traction Drives of Hybrid and Electric Vehicles (Subcontract #4000080341)

    SciTech Connect (OSTI)

    Fezzler, Raymond [BIZTEK Consulting, Inc.

    2011-03-01T23:59:59.000Z

    Currently, interior permanent magnet (IPM) motors with rare-earth (RE) magnets are almost universally used for hybrid and electric vehicles (EVs) because of their superior properties, particularly power density. However, there is now a distinct possibility of limited supply or very high cost of RE magnets that could make IPM motors unavailable or too expensive. Because development of electric motors is a critical part of the U.S. Department of Energy (DOE) Advanced Power Electronics and Motors activity, DOE needs to determine which options should be investigated and what barriers should be addressed. Therefore, in order to provide a basis for deciding which research topics should be pursued, an assessment of various motor technologies was conducted to determine which, if any, is potentially capable of meeting FreedomCAR 2015 and 2020 targets. Highest priority was given to IPM, surface mounted permanent magnet (SPM), induction, and switched reluctance (SR) motors. Also of interest, but with lesser emphasis, were wheel motors, multiple-rotor motors, motors with external excitation, and several others that emerged from the assessment. Cost and power density (from a design perspective, the power density criterion translates to torque density) are emerging as the two most important properties of motors for traction drives in hybrid and EVs, although efficiency and specific power also are very important. The primary approach for this assessment involved interviews with original equipment manufacturers (OEMs), their suppliers, and other technical experts. For each technology, the following issues were discussed: (1) The current state-of-the-art performance and cost; (2) Recent trends in the technology; (3) Inherent characteristics of the motor - which ones limit the ability of the technology to meet the targets and which ones aid in meeting the target; (4) What research and development (R&D) would be needed to meet the targets; and (5) The potential for the technology to meet the targets. The interviews were supplemented with information from past Oak Ridge National Laboratory (ORNL) reports, previous assessments that were conducted in 2004, and literature on magnet technology. The results of the assessment validated the DOE strategy involving three parallel paths: (1) there is enough of a possibility that RE magnets will continue to be available, either from sources outside China or from increased production in China, that development of IPM motors using RE magnets should be continued with emphasis on meeting the cost target. (2) yet the possibility that RE magnets may become unavailable or too expensive justifies efforts to develop innovative designs for permanent magnet (PM) motors that do not use RE magnets. Possible other magnets that may be substituted for RE magnets include samarium-cobalt (Sm-Co), Alnico, and ferrites. Alternatively, efforts to develop motors that do not use PMs but offer attributes similar to IPM motors also are encouraged. (3) New magnet materials using new alloys or processing techniques that would be less expensive or have comparable or superior properties to existing materials should be developed if possible. IPM motors are by far the most popular choice for hybrid and EVs because of their high power density, specific power, and constant power-speed ratio (CPSR). Performance of these motors is optimized when the strongest possible magnets - i.e., RE neodymium-iron-boron (NdFeB) magnets - are used.

  13. Electric-Drive Vehicle Basics (Brochure)

    SciTech Connect (OSTI)

    Not Available

    2011-04-01T23:59:59.000Z

    Describes the basics of electric-drive vehicles, including hybrid electric vehicles, plug-in hybrid electric vehicles, all-electric vehicles, and the various charging options.

  14. Using GPS Travel Data to Assess the Real World Driving Energy Use of Plug-In Hybrid Electric Vehicles (PHEVs)

    SciTech Connect (OSTI)

    Gonder, J.; Markel, T.; Simpson, A.; Thornton, M.

    2007-05-01T23:59:59.000Z

    Highlights opportunities using GPS travel survey techniques and systems simulation tools for plug-in hybrid vehicle design improvements, which maximize the benefits of energy efficiency technologies.

  15. Vehicle Technologies Office: Materials for Hybrid and Electric...

    Energy Savers [EERE]

    Materials for Hybrid and Electric Drive Systems Vehicle Technologies Office: Materials for Hybrid and Electric Drive Systems The Vehicle Technologies Office (VTO) is working to...

  16. Fuel economy and emissions reduction of HD hybrid truck over...

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

    economy and emissions reduction of HD hybrid truck over transient driving cycles and interstate roads Fuel economy and emissions reduction of HD hybrid truck over transient driving...

  17. Study of the Advantages of Internal Permanent Magnet Drive Motor with Selectable Windings for Hybrid-Electric Vehicles

    SciTech Connect (OSTI)

    Otaduy, P.J.; Hsu, J.S.; Adams, D.J.

    2007-11-30T23:59:59.000Z

    This report describes research performed on the viability of changing the effectively active number of turns in the stator windings of an internal permanent magnet (IPM) electric motor to strengthen or weaken the magnetic fields in order to optimize the motor's performance at specific operating speeds and loads. Analytical and simulation studies have been complemented with research on switching mechanisms to accomplish the task. The simulation studies conducted examine the power and energy demands on a vehicle following a series of standard driving cycles and the impact on the efficiency and battery size of an electrically propelled vehicle when it uses an IPM motor with turn-switching capabilities. Both full driving cycle electric propulsion and propulsion limited starting from zero to a set speed have been investigated.

  18. Lower hybrid current drive at densities required for thermonuclear reactors R. Cesario 1), L. Amicucci 2), M. L. Apicella 1), G. Calabr 1), A. Cardinali 1), C. Castaldo 1),

    E-Print Network [OSTI]

    Vlad, Gregorio

    EXW/P7-02 Lower hybrid current drive at densities required for thermonuclear reactors R@frascati.enea.it Abstract. For the progress of the thermonuclear fusion energy research based on the tokamak concept in ITER (International Thermonuclear Experiment Reactor) at relatively high plasma densities also

  19. Driving Plug-In Hybrid Electric Vehicles: Reports from U.S. Drivers of HEVs converted to PHEVs, circa 2006-07

    E-Print Network [OSTI]

    Kurani, Kenneth S; Heffner, Reid R.; Turrentine, Tom

    2008-01-01T23:59:59.000Z

    A.A. (2007) “Plug-in Hybrid Vehicles for a SustainableAssessment of Plug-in Hybrid Vehicles on Electric UtilitiesWould You Buy a Hybrid Vehicle? Study #715238, conducted for

  20. Driving Plug-In Hybrid Electric Vehicles: Reports from U.S. Drivers of HEVs converted to PHEVs, circa 2006-07

    E-Print Network [OSTI]

    Kurani, Kenneth S; Heffner, Reid R.; Turrentine, Tom

    2008-01-01T23:59:59.000Z

    Assessment for Battery Electric Vehicles, PowerAssist Hybrid Electric Vehicles, and Plug-in Hybrid Electric Vehicles. EPRI: Palo Alto, CA.

  1. Driving Plug-In Hybrid Electric Vehicles: Reports from U.S. Drivers of HEVs converted to PHEVs, circa 2006-07

    E-Print Network [OSTI]

    Kurani, Kenneth S; Heffner, Reid R.; Turrentine, Tom

    2008-01-01T23:59:59.000Z

    Electric Vehicles. EPRI: Palo Alto, CA. Report1009299. [9]Popular Science. July. [4] EPRI (2001) Comparing theHybrid Electric Vehicle Options. EPRI: Palo Alto, CA. Report

  2. CRADIT FARM DRIVE CREEK DRIVE

    E-Print Network [OSTI]

    Davis, H. Floyd

    CRADIT FARM DRIVE THURSTON CREEK DRIVE CENTRALAVENUE ENUE UNIVERSITY AVENUE EASTAVENUE FOREST HOME CREEK DRIVE CENTRALAVENUE ENUE UNIVERSITY AVENUE EASTAVENUE FOREST HOME DRIVE HIGHLAND ROBERTS PLACE GARDEN DEANS ARTS QUAD RAWLINGS GREEN R. URIS GARDEN AG QUAD BIOLOGY BEEBE LAK FALL CREEK Clark Hall Olin

  3. Hybrid and Plug-In Electric Vehicles (Brochure)

    SciTech Connect (OSTI)

    Not Available

    2011-05-01T23:59:59.000Z

    Describes the basics of electric-drive vehicles, including hybrid electric vehicles, plug-in hybrid electric vehicles, all-electric vehicles, and the various charging options.

  4. Hybrid and Plug-In Electric Vehicles (Brochure)

    SciTech Connect (OSTI)

    Not Available

    2011-10-01T23:59:59.000Z

    Describes the basics of electric-drive vehicles, including hybrid electric vehicles, plug-in hybrid electric vehicles, all-electric vehicles, and the various charging options.

  5. Evaluation of a Current Source Active Power Filter to Reduce the DC Bus Capacitor in a Hybrid Electric Vehicle Traction Drive

    E-Print Network [OSTI]

    Tolbert, Leon M.

    system, additional heat, audible noise, mechanical stress, and vibration [1]. DC bus harmonic current- powered three-phase inverter is used to drive the traction motor. Due to the switching behavior combustion engine, electric motor, and energy storage device (for example, batteries and ultracapacitors

  6. Go Green! How Driving a Hybrid Vehicle Can Help You Cut Down on Pollution and Save Lots of Money Â… Maybe

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

    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 on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(Fact Sheet), Geothermal TechnologiesGeothermal energyMarkedGlobalFinancingHybrid

  7. Hybrid Radiator Cooling System | Argonne National Laboratory

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

    Radiator Cooling System Technology available for licensing: Hybrid radiator cooling system uses conventional finned air cooling under most driving conditions that would be...

  8. Powertrain system for a hybrid electric vehicle

    DOE Patents [OSTI]

    Reed, R.G. Jr.; Boberg, E.S.; Lawrie, R.E.; Castaing, F.J.

    1999-08-31T23:59:59.000Z

    A hybrid electric powertrain system is provided including an electric motor/generator drivingly engaged with the drive shaft of a transmission. The electric is utilized for synchronizing the rotation of the drive shaft with the driven shaft during gear shift operations. In addition, a mild hybrid concept is provided which utilizes a smaller electric motor than typical hybrid powertrain systems. Because the electric motor is drivingly engaged with the drive shaft of the transmission, the electric motor/generator is driven at high speed even when the vehicle speed is low so that the electric motor/generator provides more efficient regeneration. 34 figs.

  9. Powertrain system for a hybrid electric vehicle

    DOE Patents [OSTI]

    Reed, Jr., Richard G. (Royal Oak, MI); Boberg, Evan S. (Hazel Park, MI); Lawrie, Robert E. (Whitmore Lake, MI); Castaing, Francois J. (Bloomfield Township, MI)

    1999-08-31T23:59:59.000Z

    A hybrid electric powertrain system is provided including an electric motor/generator drivingly engaged with the drive shaft of a transmission. The electric is utilized for synchronizing the rotation of the drive shaft with the driven shaft during gear shift operations. In addition, a mild hybrid concept is provided which utilizes a smaller electric motor than typical hybrid powertrain systems. Because the electric motor is drivingly engaged with the drive shaft of the transmission, the electric motor/generator is driven at high speed even when the vehicle speed is low so that the electric motor/generator provides more efficient regeneration.

  10. Hybrid and Plug-In Electric Vehicles (Brochure), Vehicle Technologies Program (VTP)

    Broader source: Energy.gov [DOE]

    Describes the basics of electric-drive vehicles, including hybrid electric vehicles, plug-in hybrid electric vehicles, all-electric vehicles, and the various charging options.

  11. ECE 438 Electric and Hybrid Vehicles Catalog Description: History of electric traction. Introduction to electric and hybrid-electric

    E-Print Network [OSTI]

    ECE 438 ­ Electric and Hybrid Vehicles Catalog Description: History of electric traction. Introduction to electric and hybrid-electric vehicle configurations. Vehicle mechanics. Energy sources and storage. Range prediction. Motor for HEVs. Electric drive components. Vehicle transmission system. Credits

  12. 2011 Hyundai Sonata Hybrid - vin 4932 Advanced Vehicle Testing...

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

    Powertrain Type: Full Parallel Peak Electric Drive Power: 30 kW 2011 Hyundai Sonata Hybrid - VIN 4932 Advanced Vehicle Testing - Baseline Testing Results VEHICLE TECHNOLOGIES...

  13. Engineering AnteaterDrive

    E-Print Network [OSTI]

    Mease, Kenneth D.

    Rockw ell & M DEA Engineering Tower AnteaterDrive AnteaterDrive East Peltason Drive EastPeltasonDrive East Peltason Drive Anteater Parking Structure EngineeringServiceRoad Engineering Laboratory Facility Engineering Gateway Engineering Hall AIRB Calit2 Engineering Lecture Hall Campus Building Engineering Building

  14. Evaluation of the acoustical performance and behaviour of a hybrid truck in urban use

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    engine truck, hybrid truck under hybrid use, hybrid truck under electrical use). Noise emission laws of the noise emission of the hybrid and the reference engine trucks over a wide range of real drivingEvaluation of the acoustical performance and behaviour of a hybrid truck in urban use M.-A. Pallas

  15. Effect of driving frequency on excitation of turbulence in a kinetic plasma T. N. Parashar,1

    E-Print Network [OSTI]

    Shay, Michael

    -point motions. Using 2.5D hybrid simula- tions, we drive the system magnetically and examine the evo- lution of turbulence generation through magnetic forcing is studied using kinetic hybrid simulations with fully kinetic in exciting turbulence and heating the plasma when the time period of the driving is larger than the nonlinear

  16. Optimal Power Train Design of a Hybrid Refuse Collector Vehicle

    E-Print Network [OSTI]

    Paderborn, Universität

    Optimal Power Train Design of a Hybrid Refuse Collector Vehicle Tobias Knoke, Joachim Böcker 5251 60 2212 Abstract-- Due to the stop-and-go drive cycle of refuse collector vehicles, hybrid power), optimization, refuse collector vehicle I. INTRODUCTION Today, hybrid electric vehicles are accepted as a step

  17. Production of highly unidirectional lower-hybrid waves

    SciTech Connect (OSTI)

    McWilliams, R.; Okubo, M.; Platt, R.C.; Sheehan, D.P.

    1985-01-01T23:59:59.000Z

    The development of a highly unidirectional lower-hybrid wave source would improve the electron current drive efficiency in tokamaks. Lower-hybrid waves launched from a phased wave array are shown to be reflected from a grid placed in a cold, low-density plasma. The antenna--grid combination results in highly unidirectional lower-hybrid waves.

  18. Roberts Union DRIVING DIRECTIONS

    E-Print Network [OSTI]

    Wilson, Herb

    the pond onto Bixler Drive, across from the Millwright Steam Plant and just before the outdoor track (Washington Street). Take your first left onto Bixler Drive, after you pass the outdoor track and football

  19. Heating and current drive systems for TPX

    SciTech Connect (OSTI)

    Swain, D.; Goranson, P. [Oak Ridge National Lab., TN (United States); Halle, A. von; Bernabei, S.; Greenough, N. [Princeton Univ., NJ (United States). Plasma Physics Lab.

    1994-05-24T23:59:59.000Z

    The heating and current drive (H and CD) system proposed for the TPX tokamak will consist of ion cyclotron, neutral beam, and lower hybrid systems. It will have 17.5 MW of installed H and CD power initially, and can be upgraded to 45 MW. It will be used to explore advanced confinement and fully current-driven plasma regimes with pulse lengths of up to 1,000 s.

  20. Battery Choices and Potential Requirements for Plug-In Hybrids (Presentation)

    SciTech Connect (OSTI)

    Pesaran, A.

    2007-02-13T23:59:59.000Z

    Plug-in Hybrid vehicles energy storage and drive cycle impacts presentation given at the 7th Advanced Automotive Battery Conference.

  1. Hybrid powertrain controller

    DOE Patents [OSTI]

    Jankovic, Miroslava (Birmingham, MI); Powell, Barry Kay (Belleville, MI)

    2000-12-26T23:59:59.000Z

    A hybrid powertrain for a vehicle comprising a diesel engine and an electric motor in a parallel arrangement with a multiple ratio transmission located on the torque output side of the diesel engine, final drive gearing connecting drivably the output shaft of transmission to traction wheels of the vehicle, and an electric motor drivably coupled to the final drive gearing. A powertrain controller schedules fuel delivered to the diesel engine and effects a split of the total power available, a portion of the power being delivered by the diesel and the balance of the power being delivered by the motor. A shifting schedule for the multiple ratio transmission makes it possible for establishing a proportional relationship between accelerator pedal movement and torque desired at the wheels. The control strategy for the powertrain maintains drivability of the vehicle that resembles drivability of a conventional spark ignition vehicle engine powertrain while achieving improved fuel efficiency and low exhaust gas emissions.

  2. Hybrid powertrain system

    DOE Patents [OSTI]

    Grillo, Ricardo C.; O'Neil, Walter K.; Preston, David M.

    2005-09-20T23:59:59.000Z

    A hybrid powertrain system is provided that includes a first prime mover having a rotational output, a second prime mover having a rotational output, and a transmission having a main shaft supporting at least two main shaft gears thereon. The transmission includes a first independent countershaft drivingly connected to the first prime mover and including at least one ratio gear supported thereon that meshes with a respective main shaft gear. A second independent countershaft is drivingly connected to the second prime mover and includes at least one ratio gear supported thereon that meshes with a respective main shaft gear. The ratio gears on the first and second countershafts cooperate with the main shaft gears to provide at least one gear ratio between the first and second countershafts and the main shaft. A shift control mechanism selectively engages and disengages the first and second countershafts for rotation with the main shaft.

  3. Highway vehicle electric drive in the United States : 2009 status and issues.

    SciTech Connect (OSTI)

    Santini, D. J.; Energy Systems

    2011-02-16T23:59:59.000Z

    The status of electric drive technology in the United States as of early 2010 is documented. Rapidly evolving electric drive technologies discussed include hybrid electric vehicles, multiple types of plug-in hybrid electric vehicles, and battery electric vehicles. Recent trends for hybrids are quantified. Various plug-in vehicles entering the market in the near term are examined. The technical and economic requirements for electric drive to more broadly succeed in a wider range of highway vehicle applications are described, and implications for the most promising new markets are provided. Federal and selected state government policy measures promoting and preparing for electric drive are discussed. Taking these into account, judgment on areas where increased Clean Cities funds might be most productively focused over the next five years are provided. In closing, the request by Clean Cities for opinion on the broad range of research needs providing near-term support to electric drive is fulfilled.

  4. Piezoelectric drive circuit

    DOE Patents [OSTI]

    Treu, C.A. Jr.

    1999-08-31T23:59:59.000Z

    A piezoelectric motor drive circuit is provided which utilizes the piezoelectric elements as oscillators and a Meacham half-bridge approach to develop feedback from the motor ground circuit to produce a signal to drive amplifiers to power the motor. The circuit automatically compensates for shifts in harmonic frequency of the piezoelectric elements due to pressure and temperature changes. 7 figs.

  5. Piezoelectric drive circuit

    DOE Patents [OSTI]

    Treu, Jr., Charles A. (Raymore, MO)

    1999-08-31T23:59:59.000Z

    A piezoelectric motor drive circuit is provided which utilizes the piezoelectric elements as oscillators and a Meacham half-bridge approach to develop feedback from the motor ground circuit to produce a signal to drive amplifiers to power the motor. The circuit automatically compensates for shifts in harmonic frequency of the piezoelectric elements due to pressure and temperature changes.

  6. Intelligent energy management agent for a parallel hybrid vehicle 

    E-Print Network [OSTI]

    Won, Jong-Seob

    2004-09-30T23:59:59.000Z

    This dissertation proposes an Intelligent Energy Management Agent (IEMA) for parallel hybrid vehicles. A key concept adopted in the development of an IEMA is based on the premise that driving environment would affect fuel ...

  7. Status and Plans for C-Mod Lower Hybrid and Advanced Tokamak Program

    E-Print Network [OSTI]

    Control: Lower Hybrid Current Drive system · Designed for well controlled spectrum. · Each antennaAlcator C-Mod Status and Plans for C-Mod Lower Hybrid and Advanced Tokamak Program ITPA topical fuelling or momentum drive. ­ All RF heating and CD. C-Mod (5 s) JT60-U (10 s) JET (50 s) ITER (1000s) DIII

  8. Fast wave current drive: Experimental status and reactor prospects

    SciTech Connect (OSTI)

    Ehst, D.A.

    1988-03-01T23:59:59.000Z

    The fast wave is one of the two possible wave polarizations which propagate according to the basic theory of cold plasmas. It is distinguished from the other (slow wave) branch by having an electric field vector which is mainly orthogonal to the confining magnetic field of the plasma. The plasma and fast wave qualitatively assume different behavior depending on the frequency range of the launched wave. The high frequency fast wave (HFFW), with a frequency (..omega..2..pi.. )approximately) GHz) much higher than the ion cyclotron frequency (..cap omega../sub i/), suffers electron Landau damping and drives current by supplying parallel momentum to superthermal electrons in a fashion similar to lower hybrid (slow wave) current drive. In the simple theory the HFFW should be superior to the slow wave and can propagate to very high density and temperature without impediment. Experiments, however, have not conclusively shown that HFFW current drive can be achieved at densities above the slow wave current drive limit, possibly due to conversion of the launched fast waves into slow waves by density fluctuations. Alternatively, the low frequency fast wave (LFFW), with frequencies ()approxreverse arrowlt) 100 MHz) only a few times the ion cyclotron frequency, is damped by electron Landau damping and, in a hot plasma ()approxreverse arrowgt) 10 keV), by electron transit time magnetic pumping; current drive is achieved by pushing superthermal electrons, and efficiency is prediocted to be slightly better than for lower hybrid current drive. Most significantly, the slow wave does not propagate in high density plasma when ..omega.. )approximately) ..cap omega../sub i/, so parasitic coupling to the slow wave can be avoided, and no density and temperture limitations are foreseen. Experiments with fast wve current drive invariably find current drive efficiency as good as obtained in lower hybrid experiments at comparable, low temperatures. 45 refs., 4 figs., 1 tab

  9. US DRIVE Driving Research and Innovation for Vehicle Efficiency...

    Office of Environmental Management (EM)

    More Documents & Publications US DRIVE Fuel Pathway Integration Technical Team Roadmap Hydrogen Program Goal-Setting Methodologies Report to Congress US DRIVE Hydrogen...

  10. Does Doctrine Drive Technology or Does Technology Drive Doctrine?

    E-Print Network [OSTI]

    Blasko, Dennis

    2010-01-01T23:59:59.000Z

    Brief No. 4 September 2010 Does Doctrine Drive Technology orDoes Technology Drive Doctrine? Dennis Blasko Summary Wthat emphasizes strategy over technology and may hold some

  11. Integrated Inverter For Driving Multiple Electric Machines

    SciTech Connect (OSTI)

    Su, Gui-Jia [Knoxville, TN; Hsu, John S [Oak Ridge, TN

    2006-04-04T23:59:59.000Z

    An electric machine drive (50) has a plurality of inverters (50a, 50b) for controlling respective electric machines (57, 62), which may include a three-phase main traction machine (57) and two-phase accessory machines (62) in a hybrid or electric vehicle. The drive (50) has a common control section (53, 54) for controlling the plurality of inverters (50a, 50b) with only one microelectronic processor (54) for controlling the plurality of inverters (50a, 50b), only one gate driver circuit (53) for controlling conduction of semiconductor switches (S1-S10) in the plurality of inverters (50a, 50b), and also includes a common dc bus (70), a common dc bus filtering capacitor (C1) and a common dc bus voltage sensor (67). The electric machines (57, 62) may be synchronous machines, induction machines, or PM machines and may be operated in a motoring mode or a generating mode.

  12. Ride and Drive Webinar

    Broader source: Energy.gov [DOE]

    Listen to this webinar and follow along using the slides below to learn how on-site plug-in electric vehicle (PEV) Ride and Drives can create value for your organization, your employees, and your...

  13. The Accident Externality from Driving

    E-Print Network [OSTI]

    Edlin, Aaron S.; Karaca-Mandic, Pinar

    2007-01-01T23:59:59.000Z

    Sex-Divided Mile- age, Accident, and Insurance Cost DataMandic. 2003. “The Accident Externality from Driving. ”Insurance Res. Council. accident externality from driving

  14. Direct drive wind turbine

    DOE Patents [OSTI]

    Bywaters, Garrett; Danforth, William; Bevington, Christopher; Jesse, Stowell; Costin, Daniel

    2006-10-10T23:59:59.000Z

    A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.

  15. Direct drive wind turbine

    DOE Patents [OSTI]

    Bywaters, Garrett; Danforth, William; Bevington, Christopher; Stowell, Jesse; Costin, Daniel

    2006-07-11T23:59:59.000Z

    A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.

  16. Direct drive wind turbine

    DOE Patents [OSTI]

    Bywaters, Garrett Lee; Danforth, William; Bevington, Christopher; Stowell, Jesse; Costin, Daniel

    2006-09-19T23:59:59.000Z

    A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.

  17. Direct drive wind turbine

    DOE Patents [OSTI]

    Bywaters, Garrett; Danforth, William; Bevington, Christopher; Jesse, Stowell; Costin, Daniel

    2007-02-27T23:59:59.000Z

    A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine includes a direct drive generator having an integrated disk brake positioned radially inside the stator while minimizing the potential for contamination. The turbine further includes a means for mounting a transformer below the nacelle within the tower.

  18. Full wave simulations of lower hybrid wave propagation in tokamaks

    E-Print Network [OSTI]

    Wright, John C.

    Full wave simulations of lower hybrid wave propagation in tokamaks J. C. Wright , P. T. Bonoli , C hybrid (LH) waves have the attractive property of damping strongly via electron Landau resonance. Consequently these waves are well-suited to driving current in the plasma periphery where the electron

  19. An Optimal Fuzzy Logic Power Sharing Strategy for Parallel Hybrid Electric Vehicles

    E-Print Network [OSTI]

    Brest, Université de

    An Optimal Fuzzy Logic Power Sharing Strategy for Parallel Hybrid Electric Vehicles F. Khoucha1 presents a fuzzy logic controller for a Parallel Hybrid Electric Vehicle (PHEV). The PHEV required driving economy, and emissions. Index Terms--Parallel Hybrid Electric Vehicle (PHEV), Internal Combustion Engine

  20. Topology, design, analysis and thermal management of power electronics for hybrid electric vehicle

    E-Print Network [OSTI]

    Mi, Chunting "Chris"

    an important role in the success of electric, hybrid and fuel cell vehicles. Typical power electronics circuits/DC converter; electric drives; electric vehicles; fuel cell; hybrid electric vehicles; power electronics, motor for fuel cells and advanced heavy-duty hybrid electric vehicles. He also has experience with alternative

  1. Electric-Drive Vehicle engineering

    E-Print Network [OSTI]

    Berdichevsky, Victor

    Electric-Drive Vehicle engineering COLLEGE of ENGINEERING Electric-driveVehicleEngineering engineers for 80 years t Home to nation's first electric-drive vehicle engineering program and alternative-credit EDGE Engineering Entrepreneur Certificate Program is a great addition to an electric-drive vehicle

  2. Hybrid Mesons

    E-Print Network [OSTI]

    C. A. Meyer; E. S. Swanson

    2015-03-04T23:59:59.000Z

    A review of the theoretical and experimental status of hybrid hadrons is presented. The states $\\pi_1(1400)$, $\\pi_1(1600)$, and $\\pi_1(2015)$ are thoroughly reviewed, along with experimental results from GAMS, VES, Obelix, COMPASS, KEK, CLEO, Crystal Barrel, CLAS, and BNL. Theoretical lattice results on the gluelump spectrum, adiabatic potentials, heavy and light hybrids, and transition matrix elements are discussed. These are compared with bag, string, flux tube, and constituent gluon models. Strong and electromagnetic decay models are described and compared to lattice gauge theory results. We conclude that while good evidence for the existence of a light isovector exotic meson exists, its confirmation as a hybrid meson awaits discovery of its iso-partners. We also conclude that lattice gauge theory rules out a number of hybrid models and provides a reference to judge the success of others.

  3. Drive laser Photocathode

    E-Print Network [OSTI]

    Anlage, Steven

    Drive laser Gun cavity Scale 2" 3"0 1" Photocathode Schematic Overview of a Free Electron Laser Steel Sleeve Compressed Cs2CrO4:Ti Pellet (0.725g) 1.27 cm Nickel-Assisted Hermetic Braze #12;Foundation

  4. Hybrid dark energy

    E-Print Network [OSTI]

    J. S. Alcaniz; R. Silva; F. C. Carvalho; Zong-Hong Zhu

    2008-07-16T23:59:59.000Z

    Extending previous results [Phys. Rev. Lett. 97, 081301 (2006)], we explore the cosmological implications of a new quintessence scenario driven by a slow rolling homogeneous scalar field whose equation of state behaved as freezing over the entire cosmic evolution, is approaching -1 today, but will become thawing in the near future, thereby driving the Universe to an eternal deceleration. We argue that such a mixed behavior, named \\emph{hybrid}, may reconcile the slight preference of current observational data for freezing potentials with the impossibility of defining observables in the String/M-theory context due to the existence of a cosmological event horizon in asymptotically de Sitter universes as, e.g., pure freezing scenarios.

  5. M. Porkolab, FESAC Greenwald Sub-panel Meeting, PPPLAug7, 2007 RF Heating and Current Drive Systems

    E-Print Network [OSTI]

    Princeton Plasma Physics Laboratory

    M. Porkolab, FESAC Greenwald Sub-panel Meeting, PPPLAug7, 2007 RF Heating and Current Drive Systems;M. Porkolab, FESAC Greenwald Sub-panel Meeting, PPPLAug7, 2007 Lower Hybrid Heating and Current Greenwald Sub-panel Meeting, PPPLAug7, 2007 Aspects of ICRF Heating and Current Drive · ICRF power

  6. Variable Frequency Pump Drives

    E-Print Network [OSTI]

    Karassik, I. J.; Petraccaro, L. L.; McGuire, J. T.

    . In a conventional pump and driver arrangement (for example, a centrifugal pump coupled to an AC induction motor'with no speed control provision), the motor runs at. a constant speed, which is determined by the incoming line frequency, and the pump... when it is needed. LONG RANGE DESIGN TRENDS The growing use of variable-frequency electric motor drives will permit the integration of 60 and 50 cycle pump lines. One important concern for future improvements is the growing possibility...

  7. HybridPlan: A Capacity Planning Technique for Projecting Storage Requirements in Hybrid Storage Systems

    SciTech Connect (OSTI)

    Kim, Youngjae [ORNL] [ORNL; Gupta, Aayush [IBM Corporation, Almaden Research Center] [IBM Corporation, Almaden Research Center; Urgaonkar, Bhuvan [Pennsylvania State University] [Pennsylvania State University; Piotr, Berman [Pennsylvania State University, University Park, PA] [Pennsylvania State University, University Park, PA; Sivasubramaniam, Anand [Pennsylvania State University] [Pennsylvania State University

    2014-01-01T23:59:59.000Z

    Economic forces, driven by the desire to introduce flash into the high-end storage market without changing existing software-base, have resulted in the emergence of solid-state drives (SSDs), flash packaged in HDD form factors and capable of working with device drivers and I/O buses designed for HDDs. Unlike the use of DRAM for caching or buffering, however, certain idiosyncrasies of NAND Flash-based solid-state drives (SSDs) make their integration into hard disk drive (HDD)-based storage systems nontrivial. Flash memory suffers from limits on its reliability, is an order of magnitude more expensive than the magnetic hard disk drives (HDDs), and can sometimes be as slow as the HDD (due to excessive garbage collection (GC) induced by high intensity of random writes). Given the complementary properties of HDDs and SSDs in terms of cost, performance, and lifetime, the current consensus among several storage experts is to view SSDs not as a replacement for HDD, but rather as a complementary device within the high-performance storage hierarchy. Thus, we design and evaluate such a hybrid storage system with HybridPlan that is an improved capacity planning technique to administrators with the overall goal of operating within cost-budgets. HybridPlan is able to find the most cost-effective hybrid storage configuration with different types of SSDs and HDDs

  8. Vehicle Technologies Office: 2014 Electric Drive Technologies...

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

    Electric Drive Technologies Annual Progress Report Vehicle Technologies Office: 2014 Electric Drive Technologies Annual Progress Report The Electric Drive Technologies research and...

  9. Strong mechanical driving of a single electron spin

    E-Print Network [OSTI]

    Arne Barfuss; Jean Teissier; Elke Neu; Andreas Nunnenkamp; Patrick Maletinsky

    2015-03-23T23:59:59.000Z

    Quantum devices for sensing and computing applications require coherent quantum systems which can be manipulated in a fast and robust way. Such quantum control is typically achieved using external electric or magnetic fields which drive the system's orbital or spin degrees of freedom. However, most of these approaches require complex and unwieldy antenna or gate structures, and with few exceptions are limited to the regime of weak driving. Here, we present a novel approach to strongly and coherently drive a single electron spin in the solid state using internal strain fields in an integrated quantum device. Specifically, we study individual Nitrogen-Vacancy (NV) spins embedded in diamond mechanical oscillators and exploit the intrinsic strain coupling between spin and oscillator to strongly drive the spins. As hallmarks of the strong driving regime, we directly observe the energy spectrum of the emerging phonon-dressed states and employ our strong, continuous driving for enhancement of the NV spin coherence time. Our results constitute a first step towards strain-driven, integrated quantum devices and open new perspectives to investigate unexplored regimes of strongly driven multi-level systems and to study exotic spin dynamics in hybrid spin-oscillator devices.

  10. Equivalent circuit modeling of hybrid electric vehicle drive train

    E-Print Network [OSTI]

    Routex, Jean-Yves

    2001-01-01T23:59:59.000Z

    . . . . Figure 3. 4. 6: The motor shaft at no load. Figure 3. 4. 7: Bond graph for the motor shaft. . . Figure 3. 4. 8: Equivalent circuit of the motor shaft. Figure 3. 5. 1: Concrete example: the elevator Figure 3. 5. 2: Electro-mechanical model... model of the elevator. Figure 3. 5. 8: Final equivalent circuit of the elevator. Figure 4. 1. 1: Mechanical model of a shaft. Figure 4. 1. 2: Equivalent circuit of the shaft. Figure 4. 1. 3: Mechanical model of a gearbox. Figure 4. 1. 4: Equivalent...

  11. Vehicle Technologies Office: Materials for Hybrid and Electric Drive

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

    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 742Energy China 2015ofDepartment of Energy MicrosoftVOLUME I A

  12. Do You Drive a Hybrid Electric Vehicle? | Department of Energy

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

    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 742Energy China U.S.ContaminationJuly 2011 U.S. DEPARTMENTAssociate Deputy SecretaryIn Tuesday's

  13. Base drive circuit

    DOE Patents [OSTI]

    Lange, A.C.

    1995-04-04T23:59:59.000Z

    An improved base drive circuit having a level shifter for providing bistable input signals to a pair of non-linear delays. The non-linear delays provide gate control to a corresponding pair of field effect transistors through a corresponding pair of buffer components. The non-linear delays provide delayed turn-on for each of the field effect transistors while an associated pair of transistors shunt the non-linear delays during turn-off of the associated field effect transistor. 2 figures.

  14. Base drive circuit

    DOE Patents [OSTI]

    Lange, Arnold C. (Livermore, CA)

    1995-01-01T23:59:59.000Z

    An improved base drive circuit (10) having a level shifter (24) for providing bistable input signals to a pair of non-linear delays (30, 32). The non-linear delays (30, 32) provide gate control to a corresponding pair of field effect transistors (100, 106) through a corresponding pair of buffer components (88, 94). The non-linear delays (30, 32) provide delayed turn-on for each of the field effect transistors (100, 106) while an associated pair of transistors (72, 80) shunt the non-linear delays (30, 32) during turn-off of the associated field effect transistor (100, 106).

  15. Next Generation Environmentally Friendly Driving Feedback Systems...

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

    Environmentally Friendly Driving Feedback Systems Research and Development Next Generation Environmentally Friendly Driving Feedback Systems Research and Development 2012 DOE...

  16. Behavior of lower hybrid waves in the scrape off layer of a diverted tokamak

    E-Print Network [OSTI]

    Wallace, Gregory M

    2010-01-01T23:59:59.000Z

    The goal of the Lower Hybrid Current Drive (LHCD) system on the Alcator C-Mod tokamak is to investigate current profile control under plasma conditions relevant to future devices such as ITER and DEMO. This thesis addresses ...

  17. Absorption of lower hybrid waves in the scrape off layer of a diverted tokamak

    E-Print Network [OSTI]

    Wallace, Gregory Marriner

    The goal of the Lower Hybrid Current Drive (LHCD) system on the Alcator C-Mod tokamak [ Hutchinson et al., Phys. Plasmas 1, 1511 (1994) ] is to investigate current profile control under plasma conditions relevant to future ...

  18. Hybrid vehicle powertrain system with power take-off driven vehicle accessory

    DOE Patents [OSTI]

    Beaty, Kevin D.; Bockelmann, Thomas R.; Zou, Zhanijang; Hope, Mark E.; Kang, Xiaosong; Carpenter, Jeffrey L.

    2006-09-12T23:59:59.000Z

    A hybrid vehicle powertrain system includes a first prime mover, a first prime mover driven power transmission mechanism having a power take-off adapted to drive a vehicle accessory, and a second prime mover. The second prime mover is operable to drive the power transmission mechanism alone or in combination with the first prime mover to provide power to the power take-off through the power transmission mechanism. The invention further includes methods for operating a hybrid vehicle powertrain system.

  19. Driving Demand | Department of Energy

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

    strategies, results achieved to date, and advice for other programs. Driving Demand for Home Energy Improvements. This guide, developed by the Lawrence Berkeley National...

  20. Battery control system for hybrid vehicle and method for controlling a hybrid vehicle battery

    DOE Patents [OSTI]

    Bockelmann, Thomas R. (Battle Creek, MI); Hope, Mark E. (Marshall, MI); Zou, Zhanjiang (Battle Creek, MI); Kang, Xiaosong (Battle Creek, MI)

    2009-02-10T23:59:59.000Z

    A battery control system for hybrid vehicle includes a hybrid powertrain battery, a vehicle accessory battery, and a prime mover driven generator adapted to charge the vehicle accessory battery. A detecting arrangement is configured to monitor the vehicle accessory battery's state of charge. A controller is configured to activate the prime mover to drive the generator and recharge the vehicle accessory battery in response to the vehicle accessory battery's state of charge falling below a first predetermined level, or transfer electrical power from the hybrid powertrain battery to the vehicle accessory battery in response to the vehicle accessory battery's state of charge falling below a second predetermined level. The invention further includes a method for controlling a hybrid vehicle powertrain system.

  1. Measurements and modeling of Lower Hybrid Driven fast electrons on Alcator C-Mod

    E-Print Network [OSTI]

    Schmidt, Andréa E. W. (Andréa Elizabeth Wilhelm)

    2011-01-01T23:59:59.000Z

    A Lower Hybrid Current Drive (LHCD) system has been implemented on Alcator C-Mod with successful coupling to the plasma of up to 1 MW of power. Nearly fully non-inductive current drive has been achieved for several current ...

  2. Hybrid Control of a Truck and Trailer Vehicle Claudio Altafini1

    E-Print Network [OSTI]

    Johansson, Karl Henrik

    Hybrid Control of a Truck and Trailer Vehicle Claudio Altafini1 , Alberto Speranzon2 , and Karl, SE-10044 Stockholm, Sweden, albspe@s3.kth.se, kallej@s3.kth.se Abstract. A hybrid control scheme is proposed for the stabilization of backward driving along simple paths for a miniature vehicle composed

  3. A versatile computer model for the design and analysis of electric and hybrid vehicles 

    E-Print Network [OSTI]

    Stevens, Kenneth Michael

    1996-01-01T23:59:59.000Z

    The primary purpose of the work reported in this thesis was to develop a versatile computer model to facilitate the design and analysis of hybrid vehicle drive-trains. A hybrid vehicle is one in which power for propulsion comes from two distinct...

  4. A versatile computer model for the design and analysis of electric and hybrid vehicles

    E-Print Network [OSTI]

    Stevens, Kenneth Michael

    1996-01-01T23:59:59.000Z

    The primary purpose of the work reported in this thesis was to develop a versatile computer model to facilitate the design and analysis of hybrid vehicle drive-trains. A hybrid vehicle is one in which power for propulsion comes from two distinct...

  5. Fuel Economy: What Drives Consumer Choice?

    E-Print Network [OSTI]

    Turrentine, Tom; Kurani, Kenneth; Heffner, Rusty

    2007-01-01T23:59:59.000Z

    decisions around cars, fuel economy, and hybrid vehiclesfuel-ef?cient compact cars. The hybrid buyers in this studycar models are often small. So it’s unsurprising that even hybrid

  6. Fuel Economy: What Drives Consumer Choice?

    E-Print Network [OSTI]

    Turrentine, Tom; Kurani, Kenneth S; Heffner, Reid R.

    2008-01-01T23:59:59.000Z

    decisions around cars, fuel economy, and hybrid vehiclesfuel-ef?cient compact cars. The hybrid buyers in this studycar models are often small. So it’s unsurprising that even hybrid

  7. Sensorless Robot Collision Detection and Hybrid Force/Motion Control

    E-Print Network [OSTI]

    De Luca, Alessandro

    a lightweight robot design [6], possibly with distributed compliant characteristics in the driving system andSensorless Robot Collision Detection and Hybrid Force/Motion Control Alessandro De Luca Raffaella-time detection of collisions between a robot manipulator and obstacles of unknown geometry and location

  8. Current-drive experiments on the PLT Tokamak

    SciTech Connect (OSTI)

    Jobes, F.; Bernabei, S.; Efthimion, P.; Hooke, W.; Hosea, J.; Mazzucato, E.; Meservey, E.; Motley, R.; Stevens, J.; von Goeler, S.

    1983-06-01T23:59:59.000Z

    Lower hybrid current-drive experiments have been carried out on the PLT Tokamak. Steady currents up to 175 kA have been maintained for three seconds and 400 kA for 0.3 sec by the rf power alone. The principal current carrier appears to be a high energy (approx. 100 keV) electron tail, concentrated in the central 20 to 40 cm diameter core of the 80-cm PLT discharge. Effective current drive is observed only for anti n/sub e/ less than or equal to 8 x 10/sup 12/ cm/sup -3/. This limitation may be a wave propagation phenomenon and not a fundamental plasma physics effects.

  9. Development of Integrated Motor Assist Hybrid System: Development of the 'Insight', a Personal Hybrid Coupe

    SciTech Connect (OSTI)

    Kaoru Aoki; Shigetaka Kuroda; Shigemasa Kajiwara; Hiromitsu Sato; Yoshio Yamamoto

    2000-06-19T23:59:59.000Z

    This paper presents the technical approach used to design and develop the powerplant for the Honda Insight, a new motor assist hybrid vehicle with an overall development objective of just half the fuel consumption of the current Civic over a wide range of driving conditions. Fuel consumption of 35km/L (Japanese 10-15 mode), and 3.4L/100km (98/69/EC) was realized. To achieve this, a new Integrated Motor Assist (IMA) hybrid power plant system was developed, incorporating many new technologies for packaging and integrating the motor assist system and for improving engine thermal efficiency. This was developed in combination with a new lightweight aluminum body with low aerodynamic resistance. Environmental performance goals also included the simultaneous achievement of low emissions (half the Japanese year 2000 standards, and half the EU2000 standards), high efficiency, and recyclability. Full consideration was also given to key consumer attributes, including crash safety performance, handling, and driving performance.

  10. Fishbone-like internal kink instability driven by supra-thermal electrons on FTU generated by lower hybrid radiofrequency power

    E-Print Network [OSTI]

    Zonca, Fulvio

    hybrid current drive (LHCD) is of strong interest for the burning plasma research, as the trapped heating (ECRH) is of strong interest for the burning plasma research. The charged fusion product effects

  11. Polarimetry measurements of current density profile and fluctuation changes during lower hybrid experiments on Alcator C-Mod

    E-Print Network [OSTI]

    Xu, Peng, Ph. D. Massachusetts Institute of Technology

    2013-01-01T23:59:59.000Z

    As a possible method to achieve steady-state plasma operation in a tokamak fusion reactor, Lower Hybrid Current Drive (LHCD) has been extensively studied on Alcator C-Mod. The measurement of current density profiles (or ...

  12. Modification of current profile, toroidal rotation and pedestal by lower hybrid waves in Alcator C-Mod

    E-Print Network [OSTI]

    Parker, R.

    Recent results from the lower hybrid current drive experiments on Alcator C-Mod are presented. These include i) MSE measurements of broadened LHCD current profiles; ii) development of counter rotation comparable to the ...

  13. Grand Challenge Portfolio: Driving Innovations in Industrial...

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

    Documents & Publications Grand Challenge Portfolio: Driving Innovations in Industrial Energy Efficiency, January 2011 - pg 8 Grand Challenge Portfolio: Driving Innovations in...

  14. Direct drive field actuator motors

    DOE Patents [OSTI]

    Grahn, A.R.

    1998-03-10T23:59:59.000Z

    A positive-drive field actuator motor is described which includes a stator carrying at least one field actuator which changes in dimension responsive to application of an energy field, and at least one drive shoe movable by the dimensional changes of the field actuator to contact and move a rotor element with respect to the stator. Various embodiments of the motor are disclosed, and the rotor element may be moved linearly or arcuately. 62 figs.

  15. Model-Based Analysis of Electric Drive Options for Medium-Duty Parcel Delivery Vehicles: Preprint

    SciTech Connect (OSTI)

    Barnitt, R. A.; Brooker, A. D.; Ramroth, L.

    2010-12-01T23:59:59.000Z

    Medium-duty vehicles are used in a broad array of fleet applications, including parcel delivery. These vehicles are excellent candidates for electric drive applications due to their transient-intensive duty cycles, operation in densely populated areas, and relatively high fuel consumption and emissions. The National Renewable Energy Laboratory (NREL) conducted a robust assessment of parcel delivery routes and completed a model-based techno-economic analysis of hybrid electric vehicle (HEV) and plug-in hybrid electric vehicle configurations. First, NREL characterized parcel delivery vehicle usage patterns, most notably daily distance driven and drive cycle intensity. Second, drive-cycle analysis results framed the selection of drive cycles used to test a parcel delivery HEV on a chassis dynamometer. Next, measured fuel consumption results were used to validate simulated fuel consumption values derived from a dynamic model of the parcel delivery vehicle. Finally, NREL swept a matrix of 120 component size, usage, and cost combinations to assess impacts on fuel consumption and vehicle cost. The results illustrated the dependency of component sizing on drive-cycle intensity and daily distance driven and may allow parcel delivery fleets to match the most appropriate electric drive vehicle to their fleet usage profile.

  16. Low backlash direct drive actuator

    DOE Patents [OSTI]

    Kuklo, T.C.

    1994-10-25T23:59:59.000Z

    A low backlash direct drive actuator is described which comprises a motor such as a stepper motor having at least 200 steps per revolution; a two part hub assembly comprising a drive hub coaxially attached to the shaft of the motor and having a plurality of drive pins; a driven hub having a plurality of bores in one end thereof in alignment with the drive pins in the drive hub and a threaded shaft coaxially mounted in an opposite end of the driven hub; and a housing having a central bore therein into which are fitted the drive hub and driven hub, the housing having a motor mount on one end thereof to which is mounted the stepper motor, and a closed end portion with a threaded opening therein coaxial with the central bore in the housing and receiving therein the threaded shaft attached to the driven hub. Limit switches mounted to the housing cooperate with an enlarged lip on the driven hub to limit the lateral travel of the driven hub in the housing, which also acts to limit the lateral travel of the threaded shaft which functions as a lead screw. 10 figs.

  17. Integrated Testing, Simulation and Analysis of Electric Drive Options for Medium-Duty Parcel Delivery Vehicles: Preprint

    SciTech Connect (OSTI)

    Ramroth, L. A.; Gonder, J.; Brooker, A.

    2012-09-01T23:59:59.000Z

    The National Renewable Energy Laboratory verified diesel-conventional and diesel-hybrid parcel delivery vehicle models to evaluate petroleum reduction and cost implications of plug-in hybrid gasoline and diesel variants. These variants are run on a field-data-derived design matrix to analyze the effects of drive cycle, distance, battery replacements, battery capacity, and motor power on fuel consumption and lifetime cost. Two cost scenarios using fuel prices corresponding to forecasted highs for 2011 and 2030 and battery costs per kilowatt-hour representing current and long-term targets compare plug-in hybrid lifetime costs with diesel conventional lifetime costs. Under a future cost scenario of $100/kWh battery energy and $5/gal fuel, plug-in hybrids are cost effective. Assuming a current cost of $700/kWh and $3/gal fuel, they rarely recoup the additional motor and battery cost. The results highlight the importance of understanding the application's drive cycle, daily driving distance, and kinetic intensity. For instances in the current-cost scenario where the additional plug-in hybrid cost is regained in fuel savings, the combination of kinetic intensity and daily distance travelled does not coincide with the usage patterns observed in the field data. If the usage patterns were adjusted, the hybrids could become cost effective.

  18. Drive reconfiguration mechanism for tracked robotic vehicle

    DOE Patents [OSTI]

    Willis, W. David (Idaho Falls, ID)

    2000-01-01T23:59:59.000Z

    Drive reconfiguration apparatus for changing the configuration of a drive unit with respect to a vehicle body may comprise a guide system associated with the vehicle body and the drive unit which allows the drive unit to rotate about a center of rotation that is located at about a point where the drive unit contacts the surface being traversed. An actuator mounted to the vehicle body and connected to the drive unit rotates the drive unit about the center of rotation between a first position and a second position.

  19. Routing in hybrid networks

    E-Print Network [OSTI]

    Gupta, Avinash

    2001-01-01T23:59:59.000Z

    Hybrid networks are networks that have wired as well as wireless components. Several routing protocols exist for traditional wired networks and mobile ad-hoc networks. However, there are very few routing protocols designed for hybrid networks...

  20. Formula Hybrid International Competition

    E-Print Network [OSTI]

    Carver, Jeffrey C.

    torque at low speeds than do internal combustion engines, a hybrid could offer competitive advantages with a traditional combustion engine into a hybrid vehicle, overcoming numerous technical challenges along the way

  1. Mesoscale hybrid calibration artifact

    SciTech Connect (OSTI)

    Tran, Hy D. (Albuquerque, NM); Claudet, Andre A. (Albuquerque, NM); Oliver, Andrew D. (Waltham, MA)

    2010-09-07T23:59:59.000Z

    A mesoscale calibration artifact, also called a hybrid artifact, suitable for hybrid dimensional measurement and the method for make the artifact. The hybrid artifact has structural characteristics that make it suitable for dimensional measurement in both vision-based systems and touch-probe-based systems. The hybrid artifact employs the intersection of bulk-micromachined planes to fabricate edges that are sharp to the nanometer level and intersecting planes with crystal-lattice-defined angles.

  2. Corn Hybrid Virginia Corn &

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    Virginia Corn Hybrid and Management Trials 2007 Virginia Corn & Small Grain Management #12;VIRGINIA CORN HYBRID AND MANAGEMENT TRIALS IN 2007 Coordinators of Virginia Corn Hybrid Trials in 2007 Wade Thomason, Extension Specialist, Department of Crop and Soil Environmental Sciences, Virginia Tech Harry

  3. Corn Hybrid Virginia Corn &

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    Virginia Corn Hybrid Management and Trials 2006 Virginia Corn & Small Grain Management #12;#12;Virginia Corn Hybrid and Management Trials 2006 Coordinators of Virginia Corn Hybrid Trials in 2006 Wade Thomason, Extension Specialist, Department of Crop and Soil Environmental Sciences, Virginia Tech Harry

  4. Hybrid armature projectile

    DOE Patents [OSTI]

    Hawke, R.S.; Asay, J.R.; Hall, C.A.; Konrad, C.H.; Sauve, G.L.; Shahinpoor, M.; Susoeff, A.R.

    1993-03-02T23:59:59.000Z

    A projectile for a railgun that uses a hybrid armature and provides a seed block around part of the outer surface of the projectile to seed the hybrid plasma brush. In addition, the hybrid armature is continuously vaporized to replenish plasma in a plasma armature to provide a tandem armature and provides a unique ridge and groove to reduce plasma blowby.

  5. Hybrid armature projectile

    DOE Patents [OSTI]

    Hawke, Ronald S. (Livermore, CA); Asay, James R. (Los Lunas, NM); Hall, Clint A. (Albuquerque, NM); Konrad, Carl H. (Albuquerque, NM); Sauve, Gerald L. (Berthoud, CO); Shahinpoor, Mohsen (Albuquerque, NM); Susoeff, Allan R. (Pleasanton, CA)

    1993-01-01T23:59:59.000Z

    A projectile for a railgun that uses a hybrid armature and provides a seed block around part of the outer surface of the projectile to seed the hybrid plasma brush. In addition, the hybrid armature is continuously vaporized to replenish plasma in a plasma armature to provide a tandem armature and provides a unique ridge and groove to reduce plasama blowby.

  6. Hydraulic Hybrid Parcel Delivery Truck Deployment, Testing & Demonstration

    SciTech Connect (OSTI)

    Gallo, Jean-Baptiste

    2014-03-31T23:59:59.000Z

    Although hydraulic hybrid systems have shown promise over the last few years, commercial deployment of these systems has primarily been limited to Class 8 refuse trucks. In 2005, the Hybrid Truck Users Forum initiated the Parcel Delivery Working Group including the largest parcel delivery fleets in North America. The goal of the working group was to evaluate and accelerate commercialization of hydraulic hybrid technology for parcel delivery vehicles. FedEx Ground, Purolator and United Parcel Service (UPS) took delivery of the world’s first commercially available hydraulic hybrid parcel delivery trucks in early 2012. The vehicle chassis includes a Parker Hannifin hydraulic hybrid drive system, integrated and assembled by Freightliner Custom Chassis Corp., with a body installed by Morgan Olson. With funding from the U.S. Department of Energy, CALSTART and its project partners assessed the performance, reliability, maintainability and fleet acceptance of three pre-production Class 6 hydraulic hybrid parcel delivery vehicles using information and data from in-use data collection and on-road testing. This document reports on the deployment of these vehicles operated by FedEx Ground, Purolator and UPS. The results presented provide a comprehensive overview of the performance of commercial hydraulic hybrid vehicles in parcel delivery applications. This project also informs fleets and manufacturers on the overall performance of hydraulic hybrid vehicles, provides insights on how the technology can be both improved and more effectively used. The key findings and recommendations of this project fall into four major categories: ? Performance, ? Fleet deployment, ? Maintenance, ? Business case. Hydraulic hybrid technology is relatively new to the market, as commercial vehicles have been introduced only in the past few years in refuse and parcel delivery applications. Successful demonstration could pave the way for additional purchases of hydraulic hybrid vehicles throughout the trucking industry. By providing unbiased, third-party assessment of this “hybrid without batteries” technology, this report offers relevant, timely and valuable information to the industry.

  7. Drive Cycle Analysis, Measurement of Emissions and Fuel Consumption of a PHEV School Bus: Preprint

    SciTech Connect (OSTI)

    Barnitt, R.; Gonder, J.

    2011-04-01T23:59:59.000Z

    The National Renewable Energy Laboratory (NREL) collected and analyzed real-world school bus drive cycle data and selected similar standard drive cycles for testing on a chassis dynamometer. NREL tested a first-generation plug-in hybrid electric vehicle (PHEV) school bus equipped with a 6.4L engine and an Enova PHEV drive system comprising a 25-kW/80 kW (continuous/peak) motor and a 370-volt lithium ion battery pack. A Bluebird 7.2L conventional school bus was also tested. Both vehicles were tested over three different drive cycles to capture a range of driving activity. PHEV fuel savings in charge-depleting (CD) mode ranged from slightly more than 30% to a little over 50%. However, the larger fuel savings lasted over a shorter driving distance, as the fully charged PHEV school bus would initially operate in CD mode for some distance, then in a transitional mode, and finally in a charge-sustaining (CS) mode for continued driving. The test results indicate that a PHEV school bus can achieve significant fuel savings during CD operation relative to a conventional bus. In CS mode, the tested bus showed small fuel savings and somewhat higher nitrogen oxide (NOx) emissions than the baseline comparison bus.

  8. Anomalous-viscosity current drive

    DOE Patents [OSTI]

    Stix, T.H.; Ono, M.

    1986-04-25T23:59:59.000Z

    The present invention relates to a method and apparatus for maintaining a steady-state current for magnetically confining the plasma in a toroidal magnetic confinement device using anomalous viscosity current drive. A second aspect of this invention relates to an apparatus and method for the start-up of a magnetically confined toroidal plasma.

  9. Laser Direct Drive: Scientific Advances,

    E-Print Network [OSTI]

    1 Laser Direct Drive: Scientific Advances, Technical Achievements, and the Road To Fusion Energy energy gain ( 40) at 1 MJ laser energy · Advanced lasers/ target designs overcome uniformity requirements, medical applications) Gas laser medium is easy to cool (tough to break gas) Nike single beam focus #12

  10. Corn Hybrids for Texas.

    E-Print Network [OSTI]

    Rogers, J. S.; McAfee, T. E.

    1954-01-01T23:59:59.000Z

    hybrid, was superior to all othey hybrids in freedom from root lodging. Watsrr 124, Keystone 222, Texas 24, Funk G711 an( Texas 30 were superior to other yellow hybrid\\ in resistance to root lodging. Texas 15W agair Angleton Lake Charles clay... degrees of damage. hybrids in resistance to stalk breakage. Ic.\\db L4, Texas 30 and Watson 124 were the I :ellow hybrids most resistant to stalk breakage. 3nk G711 and Keystone 222 were especially ' :u~eeptible to stalk breakage. a Growers who plan...

  11. 3736 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 59, NO. 8, OCTOBER 2010 Asymmetrical Multilevel Inverter for Traction Drives

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Católica de Chile)

    of isolated and floating dc supplies, which makes these converters complicated to implement in electric reduces these nine sources to only one: the battery car. The topology also permits full regenerative this "one-source" multilevel system. Index Terms--AC motor drives, electric vehicles (EVs), hybrid EVs (HEVs

  12. Recent Analysis of UCAPs in Mild Hybrids (Presentation)

    SciTech Connect (OSTI)

    Pesaran, A.; Gonder, J.

    2006-05-01T23:59:59.000Z

    This report presents the analysis of ultracapacitors for mild/moderate hybrid electric vehicle (HEV) performance. The objectives of this report are to: (1) review the fuel economy improvement trends of today's HEVs with respect to degree of hybridization; (2) perform analysis to see the extent of fuel economy improvement possible with various strategies in mild/moderate HEVs, with no engine downsizing, using either batteries or ultracapacitors; (3) identify energy requirements of various driving events/functions--what matches a limited ucap's energy; and (4) discuss potential roles for high-voltage ultracapacitors in HEVs, if any.

  13. 51 Gerty Drive Champaign, Illinois 61820

    E-Print Network [OSTI]

    Bashir, Rashid

    51 Gerty Drive Champaign, Illinois 61820 217-333-3996 University Primary school sUmmer camP www of Illinois) with this form to: University Primary School, 51 Gerty Drive Champaign, IL 61820. Detailed

  14. Redundant Arrays of IDE Drives

    E-Print Network [OSTI]

    D. A. Sanders; L. M. Cremaldi; V. Eschenburg; C. N. Lawrence; C. Riley; D. J. Summers; D. L. Petravick

    2002-12-05T23:59:59.000Z

    The next generation of high-energy physics experiments is expected to gather prodigious amounts of data. New methods must be developed to handle this data and make analysis at universities possible. We examine some techniques that use recent developments in commodity hardware. We test redundant arrays of integrated drive electronics (IDE) disk drives for use in offline high-energy physics data analysis. IDE redundant array of inexpensive disks (RAID) prices now equal the cost per terabyte of million-dollar tape robots! The arrays can be scaled to sizes affordable to institutions without robots and used when fast random access at low cost is important. We also explore three methods of moving data between sites; internet transfers, hot pluggable IDE disks in FireWire cases, and writable digital video disks (DVD-R).

  15. Granular gases under extreme driving

    E-Print Network [OSTI]

    W. Kang; J. Machta; E. Ben-Naim

    2010-08-06T23:59:59.000Z

    We study inelastic gases in two dimensions using event-driven molecular dynamics simulations. Our focus is the nature of the stationary state attained by rare injection of large amounts of energy to balance the dissipation due to collisions. We find that under such extreme driving, with the injection rate much smaller than the collision rate, the velocity distribution has a power-law high energy tail. The numerically measured exponent characterizing this tail is in excellent agreement with predictions of kinetic theory over a wide range of system parameters. We conclude that driving by rare but powerful energy injection leads to a well-mixed gas and constitutes an alternative mechanism for agitating granular matter. In this distinct nonequilibrium steady-state, energy cascades from large to small scales. Our simulations also show that when the injection rate is comparable with the collision rate, the velocity distribution has a stretched exponential tail.

  16. Optimization of condensing gas drive

    E-Print Network [OSTI]

    Lofton, Larry Keith

    1977-01-01T23:59:59.000Z

    - cal, undersaturated reservoir with gas being injected into the crest and oil being produced from the base of the structure. Fractional oil re- covery at gas breakthrough proved to be less sensitive to changes in oil withdrawal rates as the gas... injection pressure was increased. The validity of the model was established by accurately simulating several low pressure gas drives conducted in the laboratory. Oil recoveries at gas breakthrough using the model compared closely with those recoveries...

  17. Marketing & Driving Demand Collaborative - Social Media Tools...

    Energy Savers [EERE]

    drivingdemandsocialmedia010611.pdf More Documents & Publications Marketing & Driving Demand: Social Media Tools & Strategies - January 16, 2011 Social Media for Natural...

  18. Integrated Vehicle Thermal Management - Combining Fluid Loops in Electric Drive Vehicles (Presentation)

    SciTech Connect (OSTI)

    Rugh, J. P.

    2013-07-01T23:59:59.000Z

    Plug-in hybrid electric vehicles and electric vehicles have increased vehicle thermal management complexity, using separate coolant loop for advanced power electronics and electric motors. Additional thermal components result in higher costs. Multiple cooling loops lead to reduced range due to increased weight. Energy is required to meet thermal requirements. This presentation for the 2013 Annual Merit Review discusses integrated vehicle thermal management by combining fluid loops in electric drive vehicles.

  19. EFFICIENCY OF FAST WAVE CURRENT DRIVE FOR

    E-Print Network [OSTI]

    Karney, Charles

    EFFICIENCY OF FAST WAVE CURRENT DRIVE FOR A WEAKLY RELATIVISTIC PLASMA by S.C. CHIU, C.F.F. KARNEY: http://charles.karney.info/biblio/chiu94.html #12;Chiu e t al. THE EFFICIENCY OF FAST WAVE CURRENT DRIVE FOR A WEAKLY RELATIVISTIC PLASMA THE EFFICIENCY OF FAST WAVE CURRENT DRIVE FOR A WEAKLY

  20. A Roundtable Overview Driving the Top Line

    E-Print Network [OSTI]

    A Roundtable Overview Driving the Top Line #12;© 2012 Glassmeyer/McNamee Center for Digital of the Center for Digital Strategies. Driving the Top Line A Thought Leadership Roundtable on Digital, Switzerland for a discussion on how information technology can help companies drive top-line revenue. In many

  1. US DRIVE Vehicle Systems and Analysis Technical Team Roadmap...

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

    DRIVE Technical Teams in determining performance goals and validation metrics. vsattroadmapjune2013.pdf More Documents & Publications US DRIVE Driving Research and Innovation...

  2. Hybrid Solar Lighting

    SciTech Connect (OSTI)

    Maxey, L Curt [ORNL

    2008-01-01T23:59:59.000Z

    Hybrid solar lighting systems focus highly concentrated sunlight into a fiber optic bundle to provide sunlight in rooms without windows or conventional skylights.

  3. Corn Hybrids for Texas. 

    E-Print Network [OSTI]

    Rogers, J. S.; Bockholt, A. J.; Collier, J. W.

    1957-01-01T23:59:59.000Z

    - Corn Hybrid$ for . ;mE Tgmt 4.College Sta. 9Sulphw Spgr. @.Holland l9.GreenviUe 24Stephmville 5.Kibyvilb IO.(;brkrvilb B.Tanpb 20Mm 25.Chilkothe TEXAS AGRICULTURAL EXPERIMENT STATIC R. D. LEWIS. DIRECTOR, COLLEGE STATION, TEXAS DIGEST... - . Corn hybrids were planted on 81 percent of the Texas corn acreage in 1956. Most of this acreage was devoted to hybrids developed and released by the Texas Agricultural Experiment Station. These hybrids usually outyield open-pollinated varieties by 20...

  4. Current ramp-up by lower hybrid waves in the PLT tokamak

    SciTech Connect (OSTI)

    Jobes, F.C.; Bernabei, S.; Chu, T.K.; Hooke, W.M.; Meservey, E.B.; Motley, R.W.; Stevens, J.E.; von Goeler, S.

    1985-03-01T23:59:59.000Z

    Recent lower hybrid current drive experiments have clearly demonstrated that the current in a tokamak discharge can be maintained by rf drive alone. We have extended the operating regime of such plasma to include ramping-up of the current. We find that at densities of approx. 2 x 10/sup 12/ cm/sup -3/ approximately 25% of the launched rf power is converted to magnetic field energy.

  5. Gasoline-fueled hybrid vs. conventional vehicle emissions and fuel economy.

    SciTech Connect (OSTI)

    Anderson, J.; Bharathan, D.; He, J.; Plotkin, S.; Santini, D.; Vyas, A.

    1999-06-18T23:59:59.000Z

    This paper addresses the relative fuel economy and emissions behavior, both measured and modeled, of technically comparable, contemporary hybrid and conventional vehicles fueled by gasoline, in terms of different driving cycles. Criteria pollutants (hydrocarbons, carbon monoxide, and nitrogen oxides) are discussed, and the potential emissions benefits of designing hybrids for grid connection are briefly considered. In 1997, Toyota estimated that their grid-independent hybrid vehicle would obtain twice the fuel economy of a comparable conventional vehicle on the Japan 10/15 mode driving cycle. This initial result, as well as the fuel economy level (66 mpg), made its way into the U.S. press. Criteria emissions amounting to one-tenth of Japanese standards were cited, and some have interpreted these results to suggest that the grid-independent hybrid can reduce criteria emissions in the U.S. more sharply than can a conventional gasoline vehicle. This paper shows that the potential of contemporary grid-independent hybrid vehicle technology for reducing emissions and fuel consumption under U.S. driving conditions is less than some have inferred. The importance (and difficulty) of doing test and model assessments with comparable driving cycles, comparable emissions control technology, and comparable performance capabilities is emphasized. Compared with comparable-technology conventional vehicles, grid-independent hybrids appear to have no clear criteria pollutant benefits (or disbenefits). (Such benefits are clearly possible with grid-connectable hybrids operating in zero emissions mode.) However, significant reductions in greenhouse gas emissions (i.e., fuel consumption) are possible with hybrid vehicles when they are used to best advantage.

  6. Fluid cooled vehicle drive module

    DOE Patents [OSTI]

    Beihoff, Bruce C.; Radosevich, Lawrence D.; Meyer, Andreas A.; Gollhardt, Neil; Kannenberg, Daniel G.

    2005-11-15T23:59:59.000Z

    An electric vehicle drive includes a support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. The support, in conjunction with other packaging features may form a shield from both external EM/RFI and from interference generated by operation of the power electronic circuits. Features may be provided to permit and enhance connection of the circuitry to external circuitry, such as improved terminal configurations. Modular units may be assembled that may be coupled to electronic circuitry via plug-in arrangements or through interface with a backplane or similar mounting and interconnecting structures.

  7. Electric Drive Status and Challenges

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

    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 on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube|6721 Federal Register / Vol.6:Energy Eighth Annual NationalELECTRIC DRIVE

  8. Drive5 | 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 Potential MicrohydroDistrict ofDongjin Semichem CoDow CorningDrive5 Jump

  9. Hybrid Vapor Compression Adsorption System: Thermal Storage Using Hybrid Vapor Compression Adsorption System

    SciTech Connect (OSTI)

    None

    2012-01-04T23:59:59.000Z

    HEATS Project: UTRC is developing a new climate-control system for EVs that uses a hybrid vapor compression adsorption system with thermal energy storage. The targeted, closed system will use energy during the battery-charging step to recharge the thermal storage, and it will use minimal power to provide cooling or heating to the cabin during a drive cycle. The team will use a unique approach of absorbing a refrigerant on a metal salt, which will create a lightweight, high-energy-density refrigerant. This unique working pair can operate indefinitely as a traditional vapor compression heat pump using electrical energy, if desired. The project will deliver a hot-and-cold battery that provides comfort to the passengers using minimal power, substantially extending the driving range of EVs.

  10. Hybrid baryons [alpha].

    SciTech Connect (OSTI)

    Page, P. R. (Philip R.)

    2002-01-01T23:59:59.000Z

    The authors review the status of hybrid baryons. The only known way to study hybrids rigorously is via excited adiabatic potentials. Hybrids can be modeled by both the bag and flux tube models. The low lying hybrid baryon is N 1/2{sup +} with a mass of 1.5 - 1.8 GeV. Hybrid baryons can be produced in the glue rich processes of diffractive {gamma}N and {pi}N production, {Psi} decays and p{bar p} annihilation. We review the current status of research on three quarks with a gluonic excitation, called a hybrid baryon. The excitation is not an orbital or radial excitation between the quarks. Hybrid baryons have also been reviewed elsewhere. The Mercedes-Benz logl in Figure 1 indicates two possible views of the confining interaction of three quarks, an essential issue in the study of hybrid baryons. In the logo the three points where the Y shape meets the boundary circle should be identified with the three quarks. There are two possibilities fo rthe interaction of the quarks: (1) a pairwise interaction of the quarks represented by the circle, or (2) a Y shaped interaction between the quarks, represented by the Y-shape in the logo.

  11. Hybrid Electric and Plug-in Hybrid Electric Vehicle Testing Activities

    SciTech Connect (OSTI)

    Donald Karner

    2007-12-01T23:59:59.000Z

    The Advanced Vehicle Testing Activity (AVTA) conducts hybrid electric vehicle (HEV) and plug-in hybrid electric vehicle (PHEV) testing in order to provide benchmark data for technology modeling and research and development programs, and to be an independent source of test data for fleet managers and other early adaptors of advanced-technology vehicles. To date, the AVTA has completed baseline performance testing on 12 HEV models and accumulated 2.7 million fleet testing miles on 35 HEVs. The HEV baseline performance testing includes dynamometer and closed-track testing to document HEV performance in a controlled environment. During fleet testing, two of each HEV model accumulate 160,000 test miles within 36 months, during which maintenance and repair events and fuel use were recorded. Three models of PHEVs, from vehicle converters Energy CS and Hymotion and the original equipment manufacturer Renault, are currently in testing. The PHEV baseline performance testing includes 5 days of dynamometer testing with a minimum of 26 test drive cycles, including the Urban Dynamometer Driving Schedule, the Highway Fuel Economy Driving Schedule, and the US06 test cycle, in charge-depleting and charge-sustaining modes. The PHEV accelerated testing is conducted with dedicated drivers for 4,240 miles, over a series of 132 driving loops that range from 10 to 200 miles over various combinations of defined 10-mile urban and 10-mile highway loops, with 984 hours of vehicle charging. The AVTA is part of the U.S. Department of Energy’s FreedomCAR and Vehicle Technologies Program. These AVTA testing activities were conducted by the Idaho National Laboratory and Electric Transportation Applications, with dynamometer testing conducted at Argonne National Laboratory. This paper discusses the testing methods and results.

  12. High Energy Batteries for Hybrid Buses

    SciTech Connect (OSTI)

    Bruce Lu

    2010-12-31T23:59:59.000Z

    EnerDel batteries have already been employed successfully for electric vehicle (EV) applications. Compared to EV applications, hybrid electric vehicle (HEV) bus applications may be less stressful, but are still quite demanding, especially compared to battery applications for consumer products. This program evaluated EnerDel cell and pack system technologies with three different chemistries using real world HEV-Bus drive cycles recorded in three markets covering cold, hot, and mild climates. Cells were designed, developed, and fabricated using each of the following three chemistries: (1) Lithium nickel manganese cobalt oxide (NMC) - hard carbon (HC); (2) Lithium manganese oxide (LMO) - HC; and (3) LMO - lithium titanium oxide (LTO) cells. For each cell chemistry, battery pack systems integrated with an EnerDel battery management system (BMS) were successfully constructed with the following features: real time current monitoring, cell and pack voltage monitoring, cell and pack temperature monitoring, pack state of charge (SOC) reporting, cell balancing, and over voltage protection. These features are all necessary functions for real-world HEV-Bus applications. Drive cycle test data was collected for each of the three cell chemistries using real world drive profiles under hot, mild, and cold climate conditions representing cities like Houston, Seattle, and Minneapolis, respectively. We successfully tested the battery packs using real-world HEV-Bus drive profiles under these various climate conditions. The NMC-HC and LMO-HC based packs successfully completed the drive cycles, while the LMO-LTO based pack did not finish the preliminary testing for the drive cycles. It was concluded that the LMO-HC chemistry is optimal for the hot or mild climates, while the NMC-HC chemistry is optimal for the cold climate. In summary, the objectives were successfully accomplished at the conclusion of the project. This program provided technical data to DOE and the public for assessing EnerDel technology, and helps DOE to evaluate the merits of underlying technology. The successful completion of this program demonstrated the capability of EnerDel battery packs to satisfactorily supply all power and energy requirements of a real-world HEV-Bus drive profile. This program supports green solutions to metropolitan public transportation problems by demonstrating the effectiveness of EnerDel lithium ion batteries for HEV-Bus applications.

  13. Electric vehicle drive train with contactor protection

    DOE Patents [OSTI]

    Konrad, Charles E. (Roanoke, VA); Benson, Ralph A. (Roanoke, VA)

    1994-01-01T23:59:59.000Z

    A drive train for an electric vehicle includes a traction battery, a power drive circuit, a main contactor for connecting and disconnecting the traction battery and the power drive circuit, a voltage detector across contacts of the main contactor, and a controller for controlling the main contactor to prevent movement of its contacts to the closed position when the voltage across the contacts exceeds a predetermined threshold, to thereby protect the contacts of the contactor. The power drive circuit includes an electric traction motor and a DC-to-AC inverter with a capacitive input filter. The controller also inhibits the power drive circuit from driving the motor and thereby discharging the input capacitor if the contacts are inadvertently opened during motoring. A precharging contactor is controlled to charge the input filter capacitor prior to closing the main contactor to further protect the contacts of the main contactor.

  14. Electric vehicle drive train with contactor protection

    DOE Patents [OSTI]

    Konrad, C.E.; Benson, R.A.

    1994-11-29T23:59:59.000Z

    A drive train for an electric vehicle includes a traction battery, a power drive circuit, a main contactor for connecting and disconnecting the traction battery and the power drive circuit, a voltage detector across contacts of the main contactor, and a controller for controlling the main contactor to prevent movement of its contacts to the closed position when the voltage across the contacts exceeds a predetermined threshold, to thereby protect the contacts of the contactor. The power drive circuit includes an electric traction motor and a DC-to-AC inverter with a capacitive input filter. The controller also inhibits the power drive circuit from driving the motor and thereby discharging the input capacitor if the contacts are inadvertently opened during motoring. A precharging contactor is controlled to charge the input filter capacitor prior to closing the main contactor to further protect the contacts of the main contactor. 3 figures.

  15. Lectures on current-drive theory

    SciTech Connect (OSTI)

    Fisch, N.J.

    1986-01-01T23:59:59.000Z

    Separate abstracts were prepared for 2 papers in this report. The papers present an introduction and an overview to the theory of current drive. (JDB)

  16. Pile driving and bioacoustic impacts on fish

    E-Print Network [OSTI]

    McKee, Deborah C.

    2005-01-01T23:59:59.000Z

    was the nexus to use steel piles as the preferred structuralbegan driving the steel piles, we realized that underwaterdeath to fish near the pile. Pressure waves are generated

  17. US DRIVE Highlights of Technical Accomplishments 2013

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

    for longer-lasting and more cost-effective electric drive vehicle batteries. National Renewable Energy Laboratory Advanced energy storage devices, such as lithium- based...

  18. Fuel Economy: What Drives Consumer Choice?

    E-Print Network [OSTI]

    Turrentine, Tom; Kurani, Kenneth; Heffner, Rusty

    2007-01-01T23:59:59.000Z

    Car Buyers and Fuel Economy? ” Energy Policy, vol. 35, 2007.Fuel Economy: What Drives Consumer Choice? BY TOMyou think about fuel economy? ” Rather, we listened closely

  19. Fuel Economy: What Drives Consumer Choice?

    E-Print Network [OSTI]

    Turrentine, Tom; Kurani, Kenneth S; Heffner, Reid R.

    2008-01-01T23:59:59.000Z

    Car Buyers and Fuel Economy? ” Energy Policy, vol. 35, 2007.Fuel Economy: What Drives Consumer Choice? BY TOMyou think about fuel economy? ” Rather, we listened closely

  20. Advanced Electric Drive Vehicles ? A Comprehensive Education...

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

    Meeting arravt034tiferdowsi2012o.pdf More Documents & Publications Advanced Electric Drive Vehicles A Comprehensive Education, Training, and Outreach Program...

  1. Advanced Electric Drive Vehicles ? A Comprehensive Education...

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

    Peer Evaluation arravt034tiferdowsi2011p.pdf More Documents & Publications Advanced Electric Drive Vehicles A Comprehensive Education, Training, and Outreach Program...

  2. Advanced Electric Drive Vehicles ? A Comprehensive Education...

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

    -- Washington D.C. tiarravt034ferdowsi2010o.pdf More Documents & Publications Advanced Electric Drive Vehicles A Comprehensive Education, Training, and Outreach Program...

  3. Dynamic coupling drives conformational evolution of branched...

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

    Materials Characterization Dynamic coupling drives conformational evolution of branched polymers in solutions March 06, 2015 Inter-particle collision time (filled circles) and...

  4. Grand Challenge Portfolio: Driving Innovations in Industrial...

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

    9 Grand Challenge Portfolio: Driving Innovations in Industrial Energy Efficiency, January 2011 - pg 9 grandchallengesportfoliopg9.pdf More Documents & Publications Grand...

  5. Grand Challenge Portfolio: Driving Innovations in Industrial...

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

    6 Grand Challenge Portfolio: Driving Innovations in Industrial Energy Efficiency, January 2011 - pg 6 grandchallengesportfoliopg6.pdf More Documents & Publications Grand...

  6. Grand Challenge Portfolio: Driving Innovations in Industrial...

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

    8 Grand Challenge Portfolio: Driving Innovations in Industrial Energy Efficiency, January 2011 - pg 8 grandchallengesportfoliopg8.pdf More Documents & Publications Grand...

  7. Hybrid matrix fiber composites

    DOE Patents [OSTI]

    Deteresa, Steven J.; Lyon, Richard E.; Groves, Scott E.

    2003-07-15T23:59:59.000Z

    Hybrid matrix fiber composites having enhanced compressive performance as well as enhanced stiffness, toughness and durability suitable for compression-critical applications. The methods for producing the fiber composites using matrix hybridization. The hybrid matrix fiber composites include two chemically or physically bonded matrix materials, whereas the first matrix materials are used to impregnate multi-filament fibers formed into ribbons and the second matrix material is placed around and between the fiber ribbons that are impregnated with the first matrix material and both matrix materials are cured and solidified.

  8. Optimal Energy Management for a Hybrid Energy Storage System for Electric Vehicles Based on

    E-Print Network [OSTI]

    Paderborn, Universität

    Optimal Energy Management for a Hybrid Energy Storage System for Electric Vehicles Based are used as energy storage. The size of the battery depends not only on the driving range, but also Deterministic Dynamic Programming. To determine an energy management to control the power flows to the storage

  9. FedEx Express Gasoline Hybrid Electric Delivery Truck Evaluation: 12-Month Report

    SciTech Connect (OSTI)

    Barnitt, R.

    2011-01-01T23:59:59.000Z

    This report summarizes the data obtained in a 12-month comparison of three gasoline hybrid electric delivery vehicles with three comparable diesel vehicles. The data show that there was no statistical difference between operating cost per mile of the two groups of vehicles. As expected, tailpipe emissions were considerably lower across all drive cycles for the gHEV than for the diesel vehicle.

  10. A STOCHASTIC OPTIMAL CONTROL APPROACH FOR POWER MANAGEMENT IN PLUG-IN HYBRID ELECTRIC VEHICLES

    E-Print Network [OSTI]

    Krstic, Miroslav

    A STOCHASTIC OPTIMAL CONTROL APPROACH FOR POWER MANAGEMENT IN PLUG-IN HYBRID ELECTRIC VEHICLES on optimizing PHEV power management for fuel economy, subject to charge sustenance constraints, over individual dynamic programming to optimize PHEV power management over a distribution of drive cycles, rather than

  11. TRNSYS MODELING OF A HYBRID LIGHTING SYSTEM: BUILDING ENERGY LOADS AND CHROMATICITY ANALYSIS

    E-Print Network [OSTI]

    Wisconsin at Madison, University of

    TRNSYS MODELING OF A HYBRID LIGHTING SYSTEM: BUILDING ENERGY LOADS AND CHROMATICITY ANALYSIS Frank-Solar Energy Laboratory 1500 Engineering Drive Madison, WI, 53706 USA fwburkholder@wisc.edu ABSTRACT The TRNSYS of the spectral model was necessary to perform building illumination and energy load analyses on a 2500 m2 office

  12. ANALYSIS AND CONTROL DESIGN OF A HYDRO-MECHANICAL HYDRAULIC HYBRID PASSENGER VEHICLE

    E-Print Network [OSTI]

    Li, Perry Y.

    for optimal engine management. The hydro-mechanical drive train splits the engine power through two pathsANALYSIS AND CONTROL DESIGN OF A HYDRO-MECHANICAL HYDRAULIC HYBRID PASSENGER VEHICLE Teck Ping, Sim Minneapolis, Minnesota 55455 Email: tpsim@me.umn.edu Perry Y. Li Center for Compact and Efficient Fluid Power

  13. Eighteen-Month Final Evaluation of UPS Second Generation Diesel Hybrid-Electric Delivery Vans

    SciTech Connect (OSTI)

    Lammert, M.; Walkowicz, K.

    2012-09-01T23:59:59.000Z

    A parallel hybrid-electric diesel delivery van propulsion system was evaluated at a UPS facility in Minneapolis using on-vehicle data logging, fueling, and maintenance records. Route and drive cycle analysis showed different duty cycles for hybrid vs. conventional delivery vans; routes were switched between the study groups to provide a valid comparison. The hybrids demonstrated greater advantage on the more urban routes; the initial conventional vans' routes had less dense delivery zones. The fuel economy of the hybrids on the original conventional group?s routes was 10.4 mpg vs. 9.2 mpg for the conventional group on those routes a year earlier. The hybrid group's fuel economy on the original hybrid route assignments was 9.4 mpg vs. 7.9 mpg for the conventional group on those routes a year later. There was no statistically significant difference in total maintenance cost per mile or for the vehicle total cost of operation per mile. Propulsion-related maintenance cost per mile was 77% higher for the hybrids, but only 52% more on a cost-per-delivery-day basis. Laboratory dynamometer testing demonstrated 13%-36% hybrid fuel economy improvement, depending on duty cycle, and up to a 45% improvement in ton-mi/gal. NOx emissions increased 21%-49% for the hybrids in laboratory testing.

  14. Hybrid adsorptive membrane reactor

    DOE Patents [OSTI]

    Tsotsis, Theodore T. (Huntington Beach, CA); Sahimi, Muhammad (Altadena, CA); Fayyaz-Najafi, Babak (Richmond, CA); Harale, Aadesh (Los Angeles, CA); Park, Byoung-Gi (Yeosu, KR); Liu, Paul K. T. (Lafayette Hill, PA)

    2011-03-01T23:59:59.000Z

    A hybrid adsorbent-membrane reactor in which the chemical reaction, membrane separation, and product adsorption are coupled. Also disclosed are a dual-reactor apparatus and a process using the reactor or the apparatus.

  15. Save with Hybrid Refrigeration 

    E-Print Network [OSTI]

    Chung, C. W.

    1985-01-01T23:59:59.000Z

    ) unit, is presented in this article. This paper will briefly describe process configuration, advantages and utility consumption, equipment cost and direct field cost comparisons of such a hybrid refrigeration unit over its counterpart, a cascading MCR...

  16. Introduction Hybrid ICNs

    E-Print Network [OSTI]

    Schenato, Luca

    analysis Experimental results Conclusion Real-Time Networks and Protocols for Industrial Automation Lucia-Time Networks & Protocols for Industrial Automation Hybrid ICNs Modeling of real wireless components IEEE 802 Simulative analysis Experimental results Conclusion Industrial Communication Networks Nowadays Industrial

  17. DOE Hybrid Electric Vehicle Test Platform

    SciTech Connect (OSTI)

    Gao, Yimin

    2012-03-31T23:59:59.000Z

    Based on the contract NT-42790 to the Department of Energy, “Plug-in Hybrid Ethanol Research Platform”, Advanced Vehicle Research Center (AVRC) Virginia has successfully developed the phase I electric drive train research platform which has been named as Laboratory Rapid Application Testbed (LabRAT). In phase II, LabRAT is to be upgraded into plug-in hybrid research platform, which will be capable of testing power systems for electric vehicles, and plug-in hybrid electric vehicles running on conventional as well as alternative fuels. LabRAT is configured as a rolling testbed with plentiful space for installing various component configurations. Component connections are modularized for flexibility and are easily replaced for testing various mechanisms. LabRAT is designed and built as a full functional vehicle chassis with a steering system, brake system and four wheel suspension. The rear drive axle offers maximum flexibility with a quickly changeable gear ratio final drive to accommodate different motor speed requirements. The electric drive system includes an electric motor which is mechanically connected to the rear axle through an integrated speed/torque sensor. Initially, a 100 kW UQM motor and corresponding UQM motor controller is used which can be easily replaced with another motor/controller combination. A lithium iron phosphate (LiFePO4) battery pack is installed, which consists of 108 cells of 100 AH capacity, giving the total energy capacity of 32.5 kWh. Correspondingly, a fully functional battery management system (BMS) is installed to perform battery cell operation monitoring, cell voltage balancing, and reporting battery real time operating parameters to vehicle controller. An advanced vehicle controller ECU is installed for controlling the drive train. The vehicle controller ECU receives traction or braking torque command from driver through accelerator and brake pedal position sensors and battery operating signals from the BMS through CAN BUS, and then generates motor torque command (traction or braking) to the motor controller based on the control algorithm software embedded in the vehicle controller ECU. The vehicle controller ECU is a re-programmable electronic control unit. Any control algorithm software developed can be easily downloaded to vehicle controller ECU to test any newly developed control strategy. The flexibility of the control system significantly enhances the practical applicability of the LabRAT. A new test methodology has been developed for the LabRAT simulating any vehicles running on road with different weights from compact passenger car to light duty truck on an AC or eddy current dynamometers without much effort for modification of the system. LabRAT is equipped with a fully functional data acquisition system supplied by CyberMetrix. The measurement points along the drive train are DC electric power between battery pack and motor controller input, AC electric power between motor controller and electric motor, mechanical power between motor and rear axle. The data acquisition system is designed with more capability than current requirements in order to meet the requirements for phase II.

  18. DRIVE Analysis Tool Generates Custom Vehicle Drive Cycles Based on Real-World Data (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2013-04-01T23:59:59.000Z

    This fact sheet from the National Renewable Energy Laboratory describes the Drive-Cycle Rapid Investigation, Visualization, and Evaluation (DRIVE) analysis tool, which uses GPS and controller area network data to characterize vehicle operation and produce custom vehicle drive cycles, analyzing thousands of hours of data in a matter of minutes.

  19. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    Coal Wind Hybrid: Economic Analysis additional cost of fuelWind Hybrid: Economic Analysis Levelized Generation CostCoal Wind Hybrid: Economic Analysis Notes: All Cost are in

  20. Simulations of the Fuel Economy and Emissions of Hybrid Transit Buses over Planned Local Routes

    SciTech Connect (OSTI)

    Gao, Zhiming [ORNL] [ORNL; LaClair, Tim J [ORNL] [ORNL; Daw, C Stuart [ORNL] [ORNL; Smith, David E [ORNL] [ORNL; Franzese, Oscar [ORNL] [ORNL

    2014-01-01T23:59:59.000Z

    We present simulated fuel economy and emissions city transit buses powered by conventional diesel engines and diesel-hybrid electric powertrains of varying size. Six representative city drive cycles were included in the study. In addition, we included previously published aftertreatment device models for control of CO, HC, NOx, and particulate matter (PM) emissions. Our results reveal that bus hybridization can significantly enhance fuel economy by reducing engine idling time, reducing demands for accessory loads, exploiting regenerative braking, and shifting engine operation to speeds and loads with higher fuel efficiency. Increased hybridization also tends to monotonically reduce engine-out emissions, but trends in the tailpipe (post-aftertreatment) emissions involve more complex interactions that significantly depend on motor size and drive cycle details.

  1. Redundant arrays of IDE drives

    SciTech Connect (OSTI)

    D.A. Sanders et al.

    2002-01-02T23:59:59.000Z

    The authors report tests of redundant arrays of IDE disk drives for use in offline high energy physics data analysis. Parts costs of total systems using commodity EIDE disks are now at the $4000 per Terabyte level. Disk storage prices have now decreased to the point where they equal the cost per Terabyte of Storage Technology tape silos. The disks, however, offer far better granularity; even small institutions can afford to deploy systems. The tests include reports on software RAID-5 systems running under Linux 2.4 using Promise Ultra 100{trademark} disk controllers. RAID-5 protects data in case of a single disk failure by providing parity bits. Tape backup is not required. Journaling file systems are used to allow rapid recovery from crashes. The data analysis strategy is to encapsulate data and CPU processing power. Analysis for a particular part of a data set takes place on the PC where the data resides. The network is only used to put results together. They explore three methods of moving data between sites; internet transfers, not pluggable IDE disks in FireWire cases, and DVD-R disks.

  2. Control rod drive hydraulic system

    DOE Patents [OSTI]

    Ose, Richard A. (San Jose, CA)

    1992-01-01T23:59:59.000Z

    A hydraulic system for a control rod drive (CRD) includes a variable output-pressure CR pump operable in a charging mode for providing pressurized fluid at a charging pressure, and in a normal mode for providing the pressurized fluid at a purge pressure, less than the charging pressure. Charging and purge lines are disposed in parallel flow between the CRD pump and the CRD. A hydraulic control unit is disposed in flow communication in the charging line and includes a scram accumulator. An isolation valve is provided in the charging line between the CRD pump and the scram accumulator. A controller is operatively connected to the CRD pump and the isolation valve and is effective for opening the isolation valve and operating the CRD pump in a charging mode for charging the scram accumulator, and closing the isolation valve and operating the CRD pump in a normal mode for providing to the CRD through the purge line the pressurized fluid at a purge pressure lower than the charging pressure.

  3. Risks of using AP locations discovered through war driving

    E-Print Network [OSTI]

    Kotz, David

    Risks of using AP locations discovered through war driving Minkyong Kim, Jeffrey J. Fielding the actual locations are often unavailable, they use estimated locations from war driving estimated through war driving. War driving is the process of collecting Wi-Fi beacons by driving or walking

  4. Brake blending strategy for a hybrid vehicle

    DOE Patents [OSTI]

    Boberg, Evan S. (Hazel Park, MI)

    2000-12-05T23:59:59.000Z

    A hybrid electric powertrain system is provided including a transmission for driving a pair of wheels of a vehicle and a heat engine and an electric motor/generator coupled to the transmission. A friction brake system is provided for applying a braking torque to said vehicle. A controller unit generates control signals to the electric motor/generator and the friction brake system for controllably braking the vehicle in response to a drivers brake command. The controller unit determines and amount of regenerative torque available and compares this value to a determined amount of brake torque requested for determining the control signals to the electric motor/generator and the friction brake system.

  5. Chapter 18: Variable Frequency Drive Evaluation Protocol

    SciTech Connect (OSTI)

    Romberger, J.

    2014-11-01T23:59:59.000Z

    An adjustable-speed drive (ASD) includes all devices that vary the speed of a rotating load, including those that vary the motor speed and linkage devices that allow constant motor speed while varying the load speed. The Variable Frequency Drive Evaluation Protocol presented here addresses evaluation issues for variable-frequency drives (VFDs) installed on commercial and industrial motor-driven centrifugal fans and pumps for which torque varies with speed. Constant torque load applications, such as those for positive displacement pumps, are not covered by this protocol. Other ASD devices, such as magnetic drive, eddy current drives, variable belt sheave drives, or direct current motor variable voltage drives, are also not addressed. The VFD is by far the most common type of ASD hardware. With VFD speed control on a centrifugal fan or pump motor, energy use follows the affinity laws, which state that the motor electricity demand is a cubic relationship to speed under ideal conditions. Therefore, if the motor runs at 75% speed, the motor demand will ideally be reduced to 42% of full load power; however, with other losses it is about 49% of full load power.

  6. A high-fidelity harmonic drive model.

    SciTech Connect (OSTI)

    Preissner, C.; Royston, T. J.; Shu, D. (APS Engineering Support Division); ( MCS); (Univ. of Illinois)

    2012-01-01T23:59:59.000Z

    In this paper, a new model of the harmonic drive transmission is presented. The purpose of this work is to better understand the transmission hysteresis behavior while constructing a new type of comprehensive harmonic drive model. The four dominant aspects of harmonic drive behavior - nonlinear viscous friction, nonlinear stiffness, hysteresis, and kinematic error - are all included in the model. The harmonic drive is taken to be a black box, and a dynamometer is used to observe the input/output relations of the transmission. This phenomenological approach does not require any specific knowledge of the internal kinematics. In a novel application, the Maxwell resistive-capacitor hysteresis model is applied to the harmonic drive. In this model, sets of linear stiffness elements in series with Coulomb friction elements are arranged in parallel to capture the hysteresis behavior of the transmission. The causal hysteresis model is combined with nonlinear viscous friction and spectral kinematic error models to accurately represent the harmonic drive behavior. Empirical measurements are presented to quantify all four aspects of the transmission behavior. These measurements motivate the formulation of the complete model. Simulation results are then compared to additional measurements of the harmonic drive performance.

  7. Wind turbine ring/shroud drive system

    DOE Patents [OSTI]

    Blakemore, Ralph W.

    2005-10-04T23:59:59.000Z

    A wind turbine capable of driving multiple electric generators having a ring or shroud structure for reducing blade root bending moments, hub loads, blade fastener loads and pitch bearing loads. The shroud may further incorporate a ring gear for driving an electric generator. In one embodiment, the electric generator may be cantilevered from the nacelle such that the gear on the generator drive shaft is contacted by the ring gear of the shroud. The shroud also provides protection for the gearing and aids in preventing gear lubricant contamination.

  8. Test Drive: Honda FCX Clarity | Department of Energy

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

    Drive: Honda FCX Clarity Test Drive: Honda FCX Clarity May 14, 2010 - 10:52am Addthis A member of the Energy Empowers team takes the Honda FCX Clarity for a drive outside the U.S....

  9. Hybridization and the Typological Paradigm 

    E-Print Network [OSTI]

    Carlson, Charles

    2012-02-14T23:59:59.000Z

    of hybridization events, which also have a significant role in ecological adaptation. One explanation of increased hybridization in some areas and not others is that stress from parasites results in selection for an increase of novel genotypes. Two swordtail...

  10. Elgersburg School 2014 Hybrid Systems

    E-Print Network [OSTI]

    Knobloch,Jürgen

    Elgersburg School 2014 Hybrid Systems Worksheet 2 Problem 1. Consider the hybrid system given by C) Is V1(x) = 1 2 x2 2 + x1 (which represents the total energy of the ball) a Lyapunov function verifying

  11. Corn Hybrids for Texas. 

    E-Print Network [OSTI]

    Rogers, J. S.; McAfee, T. E.

    1954-01-01T23:59:59.000Z

    Corn Hybrids for Terns ST LOCATIONS AREA I AREA II ARE4 Ill AREA IV 2Prdrie View 7.Tylw lZ.Lockhart 17.Waxahachie 22San Antonio 3.Cleveland 8.Mt. Pbctont I3Brsnha B.Garland 23Lamposas 4.Colbqe Sta. 9Sulphw Spp. 14Holland l9.0reenvilb 24...Stephenville ,J* 5.K'rbyvilb I0.Cbrkdb 15.Tanpk 2ODetiion 25.Wllothe TEXAS AGRICULTURAL EXPERIMENT STATION R. D. LEWIS. DIRECTOR, COLLEGE STATION, TEXAS DIGEST The Texas corn acreage planted to hybrids increased from less than 1 percent of the total acrea...

  12. Ag Education Student 1234 Education Drive

    E-Print Network [OSTI]

    Ag Education Student 1234 Education Drive Fort Collins, CO 80523 educationstudent@gmail.com~970-222-1234 Education Bachelors of Science in Agriculture Education (Teacher Licensure requirements met) Anticipated May

  13. January Blood Drive Announcement | Jefferson Lab

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

    Red Cross Blood Drive will take place Tuesday, January 27th from 10 a.m.-4 p.m. in CEBAF Center, Room F113. New and repeat donors are encouraged to attend. To schedule an...

  14. Universal power transistor base drive control unit

    DOE Patents [OSTI]

    Gale, A.R.; Gritter, D.J.

    1988-06-07T23:59:59.000Z

    A saturation condition regulator system for a power transistor is disclosed which achieves the regulation objectives of a Baker clamp but without dumping excess base drive current into the transistor output circuit. The base drive current of the transistor is sensed and used through an active feedback circuit to produce an error signal which modulates the base drive current through a linearly operating FET. The collector base voltage of the power transistor is independently monitored to develop a second error signal which is also used to regulate base drive current. The current-sensitive circuit operates as a limiter. In addition, a fail-safe timing circuit is disclosed which automatically resets to a turn OFF condition in the event the transistor does not turn ON within a predetermined time after the input signal transition. 2 figs.

  15. Image fusion for a nighttime driving display

    E-Print Network [OSTI]

    Herrington, William Frederick

    2005-01-01T23:59:59.000Z

    An investigation into image fusion for a nighttime driving display application was performed. Most of the image fusion techniques being investigated in this application were developed for other purposes. When comparing the ...

  16. Universal power transistor base drive control unit

    SciTech Connect (OSTI)

    Gale, Allan R. (Allen Park, MI); Gritter, David J. (Racine, WI)

    1988-01-01T23:59:59.000Z

    A saturation condition regulator system for a power transistor which achieves the regulation objectives of a Baker clamp but without dumping excess base drive current into the transistor output circuit. The base drive current of the transistor is sensed and used through an active feedback circuit to produce an error signal which modulates the base drive current through a linearly operating FET. The collector base voltage of the power transistor is independently monitored to develop a second error signal which is also used to regulate base drive current. The current-sensitive circuit operates as a limiter. In addition, a fail-safe timing circuit is disclosed which automatically resets to a turn OFF condition in the event the transistor does not turn ON within a predetermined time after the input signal transition.

  17. Fuel Economy: What Drives Consumer Choice?

    E-Print Network [OSTI]

    Turrentine, Tom; Kurani, Kenneth; Heffner, Rusty

    2007-01-01T23:59:59.000Z

    S. Kurani, “Car Buyers and Fuel Economy? ” Energy Policy,Fuel Economy: What Drives Consumer Choice? BY TOMa car, do they think about fuel costs over time, are they

  18. Consider Steam Turbine Drives for Rotating Equipment

    SciTech Connect (OSTI)

    Not Available

    2006-01-01T23:59:59.000Z

    This revised ITP tip sheet on steam turbine drives for rotating equipment provides how-to advice for improving the system using low-cost, proven practices and technologies.

  19. Hybrid & Hydrogen Vehicle Research Laboratory

    E-Print Network [OSTI]

    Lee, Dongwon

    Hybrid & Hydrogen Vehicle Research Laboratory www.vss.psu.edu/hhvrl Joel R. Anstrom, Director 201 The Pennsylvania Transportation Institute Hybrid and Hydrogen Vehicle Research Laboratory will contribute to the advancement of hybrid and hydrogen vehicle technology to promote the emerging hydrogen economy by providing

  20. ANNUAL REPORT FOUNDATIONS OF HYBRID

    E-Print Network [OSTI]

    California at Irvine, University of

    Online Hierarchical Fault-Adaptive Control 39 Development of engine models for combustion engine 15 A Deterministic Operational Semantics for Hybrid System Simulations 15 Building Efficient Simulations from Hybrid Bond Graph Models 16 Going Beyond Zeno 18 2.1.1.d. Stochastic Hybrid Systems 18

  1. Computer-Aided Engineering for Electric Drive Vehicle Batteries...

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

    Computer-Aided Engineering for Electric Drive Vehicle Batteries (CAEBAT) Computer-Aided Engineering for Electric Drive Vehicle Batteries (CAEBAT) 2011 DOE Hydrogen and Fuel Cells...

  2. US DRIVE Electrochemical Energy Storage Technical Team Roadmap...

    Office of Environmental Management (EM)

    Electrochemical Energy Storage Technical Team Roadmap US DRIVE Electrochemical Energy Storage Technical Team Roadmap This U.S. DRIVE electrochemical energy storage roadmap...

  3. Vehicle Technologies Office Merit Review 2015: Electric Drive...

    Energy Savers [EERE]

    Vehicle Technologies Office Merit Review 2015: Electric Drive Inverter R&D Vehicle Technologies Office Merit Review 2015: Electric Drive Inverter R&D Presentation given by Oak...

  4. High-Voltage Solid Polymer Batteries for Electric Drive Vehicles...

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

    High-Voltage Solid Polymer Batteries for Electric Drive Vehicles High-Voltage Solid Polymer Batteries for Electric Drive Vehicles 2012 DOE Hydrogen and Fuel Cells Program and...

  5. Electric Drive Component Manufacturing: Magna E-Car Systems of...

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

    More Documents & Publications Electric Drive Component Manufacturing: Magna E-Car Systems of America, Inc. Electric Drive Component Manufacturing: Magna E-Car Systems...

  6. Energy Upgrade California Drives Demand From Behind the Wheel...

    Energy Savers [EERE]

    Upgrade California Drives Demand From Behind the Wheel Energy Upgrade California Drives Demand From Behind the Wheel Photo of a trailer with the Energy Upgrade California logo and...

  7. Energy Department Invests to Drive Down Costs of Carbon Capture...

    Energy Savers [EERE]

    Invests to Drive Down Costs of Carbon Capture, Support Reductions in Greenhouse Gas Pollution Energy Department Invests to Drive Down Costs of Carbon Capture, Support Reductions...

  8. Medium- and Heavy-Duty Electric Drive Vehicle Simulation and...

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

    Medium- and Heavy-Duty Electric Drive Vehicle Simulation and Analysis Medium- and Heavy-Duty Electric Drive Vehicle Simulation and Analysis 2011 DOE Hydrogen and Fuel Cells...

  9. Center for Electric Drive Transportation at the University of...

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

    Electric Drive Transportation at the University of Michigan - Dearborn Center for Electric Drive Transportation at the University of Michigan - Dearborn 2012 DOE Hydrogen and Fuel...

  10. High-Temperature, Air-Cooled Traction Drive Inverter Packaging...

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

    High-Temperature, Air-Cooled Traction Drive Inverter Packaging High-Temperature, Air-Cooled Traction Drive Inverter Packaging 2010 DOE Vehicle Technologies and Hydrogen Programs...

  11. Improving Motor and Drive System Performance - A Sourcebook for...

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

    motors and drives, as well as resources for additional information, tools, software, videos, and training opportunities. Improving Motor and Drive System Performance - A...

  12. EV Everywhere EV Everywhere Grand Challenge - Electric Drive...

    Energy Savers [EERE]

    EV Everywhere Grand Challenge - Electric Drive (Power Electronics and Electric Machines) Workshop Agenda EV Everywhere EV Everywhere Grand Challenge - Electric Drive (Power...

  13. EV Everywhere Grand Challenge - Electric Drive (Power Electronics...

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

    Drive Workshop EV Everywhere EV Everywhere Grand Challenge - Electric Drive (Power Electronics and Electric Machines) Workshop Agenda EV Everywhere Grand Challenge - Battery...

  14. Evaluation of current drive requirements and operating characteristics of a high bootstrap fraction advanced tokamak reactor

    SciTech Connect (OSTI)

    Houlberg, W.A.; Attenberger, S.E.

    1995-02-01T23:59:59.000Z

    The reactor potential of some advanced physics operating modes proposed for the TPX physics program are examined. A moderate aspect ratio (A = 4.5 as in TPX), 2 GW reactor is analyzed because of its potential for steady-state, non-inductive operation with high bootstrap current fraction. Particle, energy and toroidal current equations are evolved to steady-state conditions using the 1-1/2-D time-dependent WHIST transport code. The solutions are therefore consistent with particle, energy and current sources and assumed transport models. Fast wave current drive (FWCD) provides the axial seed current. The bootstrap current typically provides 80-90% of the current, while feedback on the lower hybrid current drive (LHCD) power maintains the total current. The sensitivity of the plasma power amplification factor, Q {equivalent_to} P{sub fus}/P{sub aux}, to variations in the plasma properties is examined. The auxiliary current drive power, P{sub aux} = P{sub LH} + P{sub FW}; bootstrap current fraction: current drive efficiency; and other parameters are evaluated. The plasma is thermodynamically stable for the energy confinement model assumed (a multiple of ITER89P). The FWCD and LHCD sources provide attractive control possibilities, not only for the current profile, but also for the total fusion power since the gain on the incremental auxiliary power is typically 10-30 in these calculations when overall Q {approx} 30.

  15. Frequency modulation drive for a piezoelectric motor

    DOE Patents [OSTI]

    Mittas, Anthony (Albuquerque, NM)

    2001-01-01T23:59:59.000Z

    A piezoelectric motor has peak performance at a specific frequency f.sub.1 that may vary over a range of frequencies. A drive system is disclosed for operating such a motor at peak performance without feedback. The drive system consists of the motor and an ac source connected to power the motor, the ac source repeatedly generating a frequency over a range from f.sub.1 -.DELTA.x to f.sub.1 +.DELTA.y.

  16. EVALUATION OF RANGE ESTIMATES FOR TOYOTA FCHV-ADV UNDER OPEN ROAD DRIVING CONDITIONS

    SciTech Connect (OSTI)

    Anton, D.; Wipke, K.; Sprik, S.

    2009-07-10T23:59:59.000Z

    The objective of this evaluation was to independently and objectively verify driving ranges of >400 miles announced by Toyota for its new advanced Fuel Cell Hybrid Vehicle (FCHV-adv) utilizing 70 MPa compressed hydrogen. To accomplish this, participants from both Savannah River National Laboratory (SRNL) and the National Renewable Energy Laboratory (NREL) witnessed and participated in a 2-vehicle evaluation with Toyota Motor Engineering & Manufacturing North America, Inc. (TEMA) over a typical open road route for over 11 hours in one day with all relevant data recorded. SRNL and TEMA first entered into discussions of verifying the range of the advanced Toyota Fuel Cell Hybrid Vehicle (FCHV-adv) in August 2008 resulting from reported 400+ mile range by Toyota. After extended negotiations, a CRADA agreement, SRNS CRADA No. CR-04-003, was signed on May 6, 2009. Subsequently, on June 30, 2009 SRNL and NREL participated in an all-day evaluation of the FCHV-adv with TEMA to determine the real-world driving range of this vehicle through on-road driving on an extended round-trip drive between Torrance and San Diego, California. SRNL and NREL observed the vehicles being refueled at Toyota's headquarters the day before the evaluation in Torrance, CA on June 29. At 8:00 AM on June 30, the vehicles departed Torrance north toward downtown Los Angeles, then west to the Pacific Coast Highway, and down to San Diego. After lunch the vehicles retraced their route back to Torrance. The traffic encountered was much heavier than anticipated, causing the vehicles to not return to Torrance until 9 PM. Each vehicle was driven by the same Toyota driver all day, with one SRNL/NREL observer in each vehicle the entire route. Data was logged by Toyota and analyzed by NREL. The maximum range of the FCHV-adv vehicles was calculated to be 431 miles under these driving conditions. This distance was calculated from the actual range of 331.5 miles during over 11 hours driving, plus 99.5 miles of additional range calculated from the average fuel economy from the day times the remaining usable hydrogen. Driving range results were independently calculated for each vehicle, and these results averaged together to achieve the final 431-mile range estimate. The uncertainty on these results is relatively low due to eight independent measurements of distance and six separate measurements of hydrogen usage, with a resulting uncertainty of {+-} 7 miles ({+-} 1.7%) based on spread between the low and high values from all of the multiple measurements. The average fuel economy resulting from the day's driving was 68.3 miles/kg and the total hydrogen stored on-board at 70 MPa was calculated to be 6.31 kg. The speed profiles were analyzed and compared to standard driving cycles, and were determined to be of moderate aggressiveness. The city segments of the route had average speeds slightly greater than the UDDS cycle and the highway segments were close to the HWFET & US06 cycles. The average acceleration for the highway driving was very close to the HWFET cycle, and the city portions had average accelerations lower than the UDDS and US06 cycles. We feel that the route accurately reflects realistic driving behaviors in southern California on a typical weekday, and is an appropriate benchmark to use in the verification of a fuel cell vehicle's range.

  17. Hybrid Transmission Corridor study

    SciTech Connect (OSTI)

    Clairmont, B.A.; Johnson, G.B.; Zaffanella, L.E. (General Electric Co., Lenox, MA (United States))

    1992-06-01T23:59:59.000Z

    Hybrid Transmission Corridors are areas where High Voltage Alternating Current (HVAC) transmission lines and High Voltage Direct Current (HVDC) transmission lines exist in close proximity of each other. Because of the acceptance of HVDC as a means of transporting electric power over long distances and the difficulties associated with obtaining new right-of-ways, HVDC lines may have to share the same transmission corridor with HVAC lines. The interactions between conductors energized with different types of voltages causes changes in the electrical stresses applied to the conductors and insulators. As a result, corona phenomena, field effects and insulation performance can be affected. This report presents the results of an investigation of the HVAC-HVDC interaction and its effect on corona and AC and DC electric field phenomena. The method of investigation was based on calculation methods developed at the EPRI High Voltage Transmission Research Center (HVTRC) and supported by the results of full and reduced-scale line tests. Also, a survey of existing hybrid corridors is given along with the results of measurements made at one of those corridors. A number of examples in which an existing AC corridor may be transformed into a hybrid corridor are discussed. The main result of the research is an analytical/empirical model for predicting the electrical/environmental performance of hybrid corridors, a definition of ACDC interaction and a set of criteria for specifying when the interaction becomes significant, and a set of design rules.

  18. Assessing the Battery Cost at Which Plug-In Hybrid Medium-Duty Parcel Delivery Vehicles Become Cost-Effective

    SciTech Connect (OSTI)

    Ramroth, L. A.; Gonder, J. D.; Brooker, A. D.

    2013-04-01T23:59:59.000Z

    The National Renewable Energy Laboratory (NREL) validated diesel-conventional and diesel-hybrid medium-duty parcel delivery vehicle models to evaluate petroleum reductions and cost implications of hybrid and plug-in hybrid diesel variants. The hybrid and plug-in hybrid variants are run on a field data-derived design matrix to analyze the effect of drive cycle, distance, engine downsizing, battery replacements, and battery energy on fuel consumption and lifetime cost. For an array of diesel fuel costs, the battery cost per kilowatt-hour at which the hybridized configuration becomes cost-effective is calculated. This builds on a previous analysis that found the fuel savings from medium duty plug-in hybrids more than offset the vehicles' incremental price under future battery and fuel cost projections, but that they seldom did so under present day cost assumptions in the absence of purchase incentives. The results also highlight the importance of understanding the application's drive cycle specific daily distance and kinetic intensity.

  19. Controllable optical bistability in a hybrid optomechanical system

    E-Print Network [OSTI]

    Sarma, Bijita

    2015-01-01T23:59:59.000Z

    We investigate theoretically the effect of optical feedback from a cavity containing an ultracold two level atomic ensemble, on the bistable behavior shown by mean intracavity optical field in an optomechanical cavity resonator. It turns out that the optical bistability can be controlled by tuning the frequency and power of the single driving laser as well as by varying different system parameters provided by the hybrid interaction. Significantly, even though the atomic cavity is not driven by any laser pump and there is no coupling with the mechanical oscillator directly, the intracavity optical field in the atomic cavity also exhibits bistability due to the optical coupling with the optomechanical cavity. In essence, our work emphasizes the possibility of realization of a better controllable optical switch depending on the hybrid interaction.

  20. Control system design for a parallel hybrid electric vehicle

    E-Print Network [OSTI]

    Buntin, David Leighton

    1994-01-01T23:59:59.000Z

    and possibly frequency settings. Finally, brake torque commands (Ts, ) must cause the appropriate displacement in the brake pads a. nd shoes. These considerations of the control requirements for the hybrid electric vehicle lead to the following need... of motion: =1 2 i' = (T + T ? Ts ? Tt) (rad)'sec ) J, q ('2. 1) Fquation 2. 1 leads to a definition of the drive shaft, speed (~) as the first state variable of tlie model. As it turiis out, Equation rhl is the mosi, dominant state equation...

  1. Effects of Vehicle Image in Gasoline-Hybrid Electric Vehicles

    E-Print Network [OSTI]

    Heffner, Reid R.; Kurani, Kenneth S; Turrentine, Tom

    2005-01-01T23:59:59.000Z

    The Images of Hybrid Vehicles Each of the householdsbetween hybrid and non-hybrid vehicles was observed in smallowned Honda Civic Hybrids, vehicles that are virtually

  2. Coca-Cola Refreshments Class 8 Diesel Electric Hybrid Tractor Evaluation: 13-Month Final Report

    SciTech Connect (OSTI)

    Walkowicz, K.; Lammert, M.; Curran, P.

    2012-08-01T23:59:59.000Z

    This 13-month evaluation used five Kenworth T370 hybrid tractors and five Freightliner M2106 standard diesel tractors at a Coca Cola Refreshments facility in Miami, Florida. The primary objective was to evaluate the fuel economy, emissions, and operational field performance of hybrid electric vehicles when compared to similar-use conventional diesel vehicles. A random dispatch system ensures the vehicles are used in a similar manner. GPS logging, fueling, and maintenance records and laboratory dynamometer testing are used to evaluate the performance of these hybrid tractors. Both groups drive similar duty cycles with similar kinetic intensity (0.95 vs. 0.69), average speed (20.6 vs. 24.3 mph), and stops per mile (1.9 vs. 1.5). The study demonstrated the hybrid group had a 13.7% fuel economy improvement over the diesel group. Laboratory fuel economy and field fuel economy study showed similar trends along the range of KI and stops per mile. Hybrid maintenance costs were 51% lower per mile; hybrid fuel costs per mile were 12% less than for the diesels; and hybrid vehicle total cost of operation per mile was 24% less than the cost of operation for the diesel group.

  3. Comparative Study of Hybrid Powertrains on Fuel Saving, Emissions, and Component Energy Loss in HD Trucks

    SciTech Connect (OSTI)

    Gao, Zhiming [ORNL; FINNEY, Charles E A [ORNL; Daw, C Stuart [ORNL; LaClair, Tim J [ORNL; Smith, David E [ORNL

    2014-01-01T23:59:59.000Z

    We compared parallel and series hybrid powertrains on fuel economy, component energy loss, and emissions control in Class 8 trucks over both city and highway driving. A comprehensive set of component models describing battery energy, engine fuel efficiency, emissions control, and power demand interactions for heavy duty (HD) hybrids has been integrated with parallel and series hybrid Class 8 trucks in order to identify the technical barriers of these hybrid powertrain technologies. The results show that series hybrid is absolutely negative for fuel economy benefit of long-haul trucks due to an efficiency penalty associated with the dual-step conversions of energy (i.e. mechanical to electric to mechanical). The current parallel hybrid technology combined with 50% auxiliary load reduction could elevate 5-7% fuel economy of long-haul trucks, but a profound improvement of long-haul truck fuel economy requires additional innovative technologies for reducing aerodynamic drag and rolling resistance losses. The simulated emissions control indicates that hybrid trucks reduce more CO and HC emissions than conventional trucks. The simulated results further indicate that the catalyzed DPF played an important role in CO oxidations. Limited NH3 emissions could be slipped from the Urea SCR, but the average NH3 emissions are below 20 ppm. Meanwhile our estimations show 1.5-1.9% of equivalent fuel-cost penalty due to urea consumption in the simulated SCR cases.

  4. Commuter simulation of lithium-ion battery performance in hybrid electric vehicles.

    SciTech Connect (OSTI)

    Nelson, P. A.; Henriksen, G. L.; Amine, K.

    2000-12-04T23:59:59.000Z

    In this study, a lithium-ion battery was designed for a hybrid electric vehicle, and the design was tested by a computer program that simulates driving of a vehicle on test cycles. The results showed that the performance goals that have been set for such batteries by the Partnership for a New Generation of Vehicles are appropriate. The study also indicated, however, that the heat generation rate in the battery is high, and that the compact lithium-ion battery would probably require cooling by a dielectric liquid for operation under conditions of vigorous vehicle driving.

  5. Method of converting an existing vehicle powertrain to a hybrid powertrain system

    DOE Patents [OSTI]

    Reed, Jr., Richard G. (Royal Oak, MI); Boberg, Evan S. (Hazel Park, MI); Lawrie, Robert E. (Whitmore Lake, MI); Castaing, Francois J. (Bloomfield Township, MI)

    2001-12-25T23:59:59.000Z

    A method of converting an existing vehicle powertrain including a manual transmission to a hybrid powertrain system with an automated powertrain transmission. The first step in the method of attaching a gear train housing to a housing of said manual transmission, said gear train housing receiving as end of drive shaft of said transmission and rotatably supporting a gear train assembly. Secondly, mounting an electric motor/generator to said gear train housing and attaching a motor/generator drive shaft of said electric motor/generator to said gear train assembly. Lastly, connecting an electro-mechanical clutch actuator to a friction clutch mechanism of said manual transmission.

  6. Pulsed hybrid field emitter

    DOE Patents [OSTI]

    Sampayan, Stephen E. (Manteca, CA)

    1998-01-01T23:59:59.000Z

    A hybrid emitter exploits the electric field created by a rapidly depoled ferroelectric material. Combining the emission properties of a planar thin film diamond emitter with a ferroelectric alleviates the present technological problems associated with both types of emitters and provides a robust, extremely long life, high current density cathode of the type required by emerging microwave power generation, accelerator technology and display applications. This new hybrid emitter is easy to fabricate and not susceptible to the same failures which plague microstructure field emitter technology. Local electrode geometries and electric field are determined independently from those for optimum transport and brightness preservation. Due to the large amount of surface charge created on the ferroelectric, the emitted electrons have significant energy, thus eliminating the requirement for specialized phosphors in emissive flat-panel displays.

  7. Pulsed hybrid field emitter

    DOE Patents [OSTI]

    Sampayan, S.E.

    1998-03-03T23:59:59.000Z

    A hybrid emitter exploits the electric field created by a rapidly depoled ferroelectric material. Combining the emission properties of a planar thin film diamond emitter with a ferroelectric alleviates the present technological problems associated with both types of emitters and provides a robust, extremely long life, high current density cathode of the type required by emerging microwave power generation, accelerator technology and display applications. This new hybrid emitter is easy to fabricate and not susceptible to the same failures which plague microstructure field emitter technology. Local electrode geometries and electric field are determined independently from those for optimum transport and brightness preservation. Due to the large amount of surface charge created on the ferroelectric, the emitted electrons have significant energy, thus eliminating the requirement for specialized phosphors in emissive flat-panel displays. 11 figs.

  8. Hybrid electroluminescent devices

    SciTech Connect (OSTI)

    Shiang, Joseph John (Niskayuna, NY); Duggal, Anil Raj (Niskayuna, NY); Michael, Joseph Darryl (Schenectady, NY)

    2010-08-03T23:59:59.000Z

    A hybrid electroluminescent (EL) device comprises at least one inorganic diode element and at least one organic EL element that are electrically connected in series. The absolute value of the breakdown voltage of the inorganic diode element is greater than the absolute value of the maximum reverse bias voltage across the series. The inorganic diode element can be a power diode, a Schottky barrier diode, or a light-emitting diode.

  9. Save with Hybrid Refrigeration

    E-Print Network [OSTI]

    Chung, C. W.

    SAVE WITH HYBRID REFRIGERATION Cheng-Wen (Wayne) Chung, P.E. Fluor Engineers, Inc. Irvine, California ABSTRACT Two level demand makes it possible to use two systems for refrigeration and save energy and money. An example of this type... of refrigeration, consisting of an ammonia absorption refrigeration (AAR) unit and a mechanical compression refrigera tion (MCR) unit, is presented in this article. This paper will briefly describe process configur ation, advantages and utility consumption...

  10. Central interference in driving - Is there any stopping the psychological refractory period?

    E-Print Network [OSTI]

    Levy, J; Pashler, H; Boer, E

    2006-01-01T23:59:59.000Z

    while driving. Accident Analysis & Prevention, 31, 617–623.on driving performance. Accident Analysis & Prevention, 23,

  11. Hybrid solar lighting distribution systems and components

    DOE Patents [OSTI]

    Muhs, Jeffrey D. (Lenoir City, TN); Earl, Dennis D. (Knoxville, TN); Beshears, David L. (Knoxville, TN); Maxey, Lonnie C. (Powell, TN); Jordan, John K. (Oak Ridge, TN); Lind, Randall F. (Lenoir City, TN)

    2011-07-05T23:59:59.000Z

    A hybrid solar lighting distribution system and components having at least one hybrid solar concentrator, at least one fiber receiver, at least one hybrid luminaire, and a light distribution system operably connected to each hybrid solar concentrator and each hybrid luminaire. A controller operates all components.

  12. Hybrid solar lighting systems and components

    DOE Patents [OSTI]

    Muhs, Jeffrey D. (Lenoir City, TN); Earl, Dennis D. (Knoxville, TN); Beshears, David L. (Knoxville, TN); Maxey, Lonnie C. (Powell, TN); Jordan, John K. (Oak Ridge, TN); Lind, Randall F. (Lenoir City, TN)

    2007-06-12T23:59:59.000Z

    A hybrid solar lighting system and components having at least one hybrid solar concentrator, at least one fiber receiver, at least one hybrid luminaire, and a light distribution system operably connected to each hybrid solar concentrator and each hybrid luminaire. A controller operates each component.

  13. Hybrid X-pinches

    SciTech Connect (OSTI)

    Shelkovenko, T. A.; Pikuz, S. A.; Mishin, S. A.; Mingaleev, A. R. [Russian Academy of Sciences, P.N. Lebedev Physical Institute (Russian Federation); Tilikin, I. N. [Moscow Institute of Physics and Technology (Russian Federation); Knapp, P. F.; Cahill, A. D.; Hoyt, C. L.; Hammer, D. A. [Cornell University (United States)

    2012-05-15T23:59:59.000Z

    Results from experimental studies of a hybrid X-pinch with an initial configuration in the form of a high-current diode with conical tungsten electrodes spaced by 1-2 mm and connected to one another with 20- to 100-{mu}m-diameter wires are presented. The experiments were carried out at four facilities with a current amplitude from 200 to 1000 kA and front duration from 45 to 200 ns. It is shown that, in spite of their simpler configuration, hybrid X-pinches with a short rise time of the current pulse (50-100 ns) are highly competitive with standard X-pinches in the generated soft X-ray power and the formation of a single hot spot in them is much more stable, while hard X-ray emission is almost absent. The possibility of using hybrid X-pinches as soft X-ray sources for point projection X-ray imaging of plasma objects is considered.

  14. The Effect of Driving Intensity and Incomplete Charging on the Fuel Economy of a Hymotion Prius PHEV

    SciTech Connect (OSTI)

    Richard Barney Carlson

    2009-10-01T23:59:59.000Z

    On-road testing was conducted on a Hymotion Prius plug-in hybrid electric vehicle (PHEV) at the Electric Transportation Engineering Corporation in Phoenix, Arizona. The tests were comprised of on-road urban and highway driving during charge-depleting and charge-sustaining operation. Determining real-world effectiveness of PHEVs at reducing petroleum consumption in real world driving was the main focus of the study. Throughout testing, several factors that affect fuel consumption of PHEVs were identified. This report discusses two of these factors: driving intensity (i.e., driving aggressiveness) and battery charging completeness. These two factors are unrelated, yet both significantly impact the vehicle’s fuel economy. Driving intensity was shown to decrease fuel economy by up to half. Charging completeness, which was affected by human factors and ambient temperature conditions, also showed to have great impact on fuel economy for the Hymotion Prius. These tests were performed for the U.S. Department of Energy’s Advanced Vehicle Testing Activity. The Advanced Vehicle Testing Activity, part of the U.S. Department of Energy’s Vehicle Technology Program, is conducted by the Idaho National Laboratory and the Electric Transportation Engineering Corporation.

  15. Compositional Variation Within Hybrid Nanostructures

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

    including device integration and assembly, chemical and biological sensing, and photocatalysis. For example, a hybrid nanostructure consisting of a semiconductor rod with a...

  16. LiCl Dehumidifier LiBr absorption chiller hybrid air conditioning system with energy recovery

    DOE Patents [OSTI]

    Ko, Suk M. (Huntsville, AL)

    1980-01-01T23:59:59.000Z

    This invention relates to a hybrid air conditioning system that combines a solar powered LiCl dehumidifier with a LiBr absorption chiller. The desiccant dehumidifier removes the latent load by absorbing moisture from the air, and the sensible load is removed by the absorption chiller. The desiccant dehumidifier is coupled to a regenerator and the desiccant in the regenerator is heated by solar heated hot water to drive the moisture therefrom before being fed back to the dehumidifier. The heat of vaporization expended in the desiccant regenerator is recovered and used to partially preheat the driving fluid of the absorption chiller, thus substantially improving the overall COP of the hybrid system.

  17. Near term hybrid passenger vehicle development program. Phase I. Appendices A and B. Final report

    SciTech Connect (OSTI)

    Not Available

    1980-01-01T23:59:59.000Z

    In this report vehicle use patterns or missions are defined and studied. The three most promising missions were found to be: all-purpose city driving which has the maximum potential market penetration; commuting which requires mainly a two-passenger car; and family and civic business driving which have minimal range requirements. The mission selection process was based principally on an analysis of the travel patterns found in the Nationwide Transportation Survey and on the Los Angeles and Washington, DC origin-destination studies data presented by General Research Corporation in Volume II of this report. Travel patterns in turn were converted to fuel requirements for 1985 conventional and hybrid cars. By this means the potential fuel savings for each mission were estimated, and preliminary design requirements for hybrid vehicles were derived.

  18. SYNTHETIC LUBRICANTS, INC 1411 Callaghan Drive

    E-Print Network [OSTI]

    Rollins, Andrew M.

    1 SYNTHETIC LUBRICANTS, INC 1411 Callaghan Drive Greenville, MI 48838 MATERIAL SAFETY DATA SHEET irritating and potentially toxic fumes containing oxides of nitrogen if exposed to extreme heat in air: (Conditions to Avoid) Stable under normal use conditions and in final use concentration. Incompatibility

  19. SYNTHETIC LUBRICANTS, INC 1411 Callaghan Drive

    E-Print Network [OSTI]

    Rollins, Andrew M.

    1 SYNTHETIC LUBRICANTS, INC 1411 Callaghan Drive Greenville, MI 48838 MATERIAL SAFETY DATA SHEET. It will produce irritating and potentially toxic fumes containing oxides of nitrogen if exposed to extreme heat: (Conditions to Avoid) Stable under normal use conditions and in final use concentration. Incompatibility

  20. What's Driving Oil Prices? James L. Smith

    E-Print Network [OSTI]

    O'Donnell, Tom

    to demand and supply reactions. "The Coal Age didn't end because producers ran out of coal !!" OIL PRICE VS1 What's Driving Oil Prices? James L. Smith Cary M. Maguire Chair in Oil & Gas Management Critical Issues in Energy Federal Reserve Bank of Dallas November 2, 2006 The Price of OPEC Oil ($/bbl) $0 $20 $40

  1. Operating Instructions CASSEHE PUMP DRIVE UNIT

    E-Print Network [OSTI]

    Kleinfeld, David

    4 · Operating Instructions CASSEHE® PUMP DRIVE UNIT Catalog No. 72-510-000 72-510-220 PUMPING The squeezing action of rollers on tubing causes the peristaltic pumping action. The flow is proportionate to the speied of the rollers and the inside diameter of the tubing, both of which can be varied. Pumping

  2. Driving EHOs in NSTX Rob Goldston

    E-Print Network [OSTI]

    Princeton Plasma Physics Laboratory

    Driving EHOs in NSTX Rob Goldston September 8, 2010 #12;Houston, We have a Problem · Lithium rises. · This is not good, but it is not because the lithium is not pumping deuterium. · In the absence in most respects to RWM interactions - but in rotating frame. · Being examined by J-K Park and A. Boozer

  3. Oscillation control system for electric motor drive

    DOE Patents [OSTI]

    Slicker, J.M.; Sereshteh, A.

    1988-08-30T23:59:59.000Z

    A feedback system for controlling mechanical oscillations in the torsionally complaint drive train of an electric or other vehicle. Motor speed is converted in a processor to estimate state signals in which a plant model which are used to electronically modify the torque commands applied to the motor. 5 figs.

  4. What drives option prices? Frdric Abergel1

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    . The study reveals that while the modeling of stochastic volatility gives more robust models, the market does 2 Theoretical framework 4 3 Intraday joint dynamics of option and underlying prices 5 3.1 EppsWhat drives option prices? Frédéric Abergel1 and Riadh Zaatour2 Chair of Quantitative Finance Ecole

  5. Driving Supplement to Application for Student Employment

    E-Print Network [OSTI]

    Amin, S. Massoud

    Driving Supplement to Application for Student Employment For positions that require employees you for employment (MN STAT. S13.04 [Subd. 21]): Private Information Intended Use Legal Requirement. ______________________________________________________________________ ________________ Signature Date The University of Minnesota is an equal opportunity educator & employer. © 2001

  6. Oscillation control system for electric motor drive

    DOE Patents [OSTI]

    Slicker, James M. (Union Lake, MI); Sereshteh, Ahmad (Union Lake, MI)

    1988-01-01T23:59:59.000Z

    A feedback system for controlling mechanical oscillations in the torsionally complaint drive train of an electric or other vehicle. Motor speed is converted in a processor to estimate state signals in which a plant model which are used to electronically modify thetorque commands applied to the motor.

  7. Risk Management 1851 N. Research Drive

    E-Print Network [OSTI]

    Moore, Paul A.

    -372-3135 Bowling Green State University Motor Vehicle Record Statement University policy requires that all driversRisk Management 1851 N. Research Drive Bowling Green, OH 43403 419-372-2127 Fax 419 acknowledge that the university endorses all applicable state motor vehicle regulations relating to driver

  8. Program assists steam drive design project

    SciTech Connect (OSTI)

    Mendez, A.A.

    1984-08-27T23:59:59.000Z

    A new program for the HP-41CV programmable calculator will compute all parameters required for a steam drive project design. The Marx and Langenheim model assumptions are used to solve a more advanced version of the Myhill and Stegemeier model. Also, the Mandl and Volek model assuptions are used to compute the size of the steam zone.

  9. Drive piston assembly for a valve actuator assembly

    DOE Patents [OSTI]

    Sun, Zongxuan (Troy, MI)

    2010-02-23T23:59:59.000Z

    A drive piston assembly is provided that is operable to selectively open a poppet valve. The drive piston assembly includes a cartridge defining a generally stepped bore. A drive piston is movable within the generally stepped bore and a boost sleeve is coaxially disposed with respect to the drive piston. A main fluid chamber is at least partially defined by the generally stepped bore, drive piston, and boost sleeve. First and second feedback chambers are at least partially defined by the drive piston and each are disposed at opposite ends of the drive piston. At least one of the drive piston and the boost sleeve is sufficiently configured to move within the generally stepped bore in response to fluid pressure within the main fluid chamber to selectively open the poppet valve. A valve actuator assembly and engine are also provided incorporating the disclosed drive piston assembly.

  10. Quantifying the benefits of hybrid vehicles

    E-Print Network [OSTI]

    Turrentine, Tom; Delucchi, Mark; Heffner, Reid R.; Kurani, Kenneth S; Sun, Yongling

    2006-01-01T23:59:59.000Z

    secrets, but the price of hybrid cars and trucks are betweenCosts of hybrid vehicles Depending on whether a car companydiesel-hybrid prototypes that attained 70 MPG (Green Car

  11. Issue 5: High Interest in Hybrid Cars

    E-Print Network [OSTI]

    Ong, Paul M.; Haselhoff, Kim

    2005-01-01T23:59:59.000Z

    2005). “High Interest in Hybrid Cars. ” SCS Fact Sheet, Vol.May 2005 High Interest in Hybrid Cars I NTRODUCTION PublicThe unique features of a hybrid car mean that it is more

  12. Quantifying the benefits of hybrid vehicles

    E-Print Network [OSTI]

    Turrentine, Tom; Delucchi, Mark; Heffner, Reid R.; Kurani, Kenneth S; Sun, Yongling

    2006-01-01T23:59:59.000Z

    The Emergence of Hybrid Vehicles: Ending oil’s strangleholdthe benefits of hybrid vehicles Dr. Thomas Turrentine Dr.the benefits of hybrid vehicles Report prepared for CSAA Dr.

  13. Hyundai Avante LPi hybrid level 1 testing report.

    SciTech Connect (OSTI)

    Rask, E.; Bocci, D.; Duoba, M.; Lohse-Busch, H. (Energy Systems)

    2012-02-07T23:59:59.000Z

    In collaboration with the Korea Automotive Technology Institute (KATECH), the Korean market only Hyundai Avante LPi Hybrid was purchased and imported to ANL's Advanced Powertrain Research Facility for vehicle-level testing. Data was acquired during testing using non-intrusive sensors, vehicle network information, and facilities equipment (emissions and dynamometer). Standard drive cycles, performance cycles, steady-state cycles, and A/C usage cycles were conducted. The major results are shown in this report. Given the benchmark nature of this assessment, the majority of the testing was done over standard regulatory cycles and sought to obtain a general overview of how the vehicle performs. These cycles include the US FTP cycle (Urban) and Highway Fuel Economy Test cycle as well as the US06, a more aggressive supplemental regulatory cycle. To assess the impacts of more aggressive driving, the LA92 cycle and a UDDS scaled by a factor 1.2x cycles were also included in the testing plan. Data collection for this testing was kept at a fairly high level and includes emissions and fuel measurements from an exhaust emissions bench, high-voltage and accessory current/voltage from a DC power analyzer, and CAN bus data such as engine speed. The following sections will seek to explain some of the basic operating characteristics of the Avante LPi Hybrid and provide insight into unique features of its operation and design. Figure 1 shows the test vehicle in Argonne's soak room.

  14. A Multiphase Traction/Fast-Battery-Charger Drive for Electric or Plug-in Hybrid Vehicles

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    . This is a serious issue in case of Permanent-Magnet Synchronous Machine (PMSM). In this paper, an original

  15. 2016 Toyota Mirai Fuel Cell Car First Drive - HybridCars.com Review |

    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 directedAnnualProperty Edit withTianlinPapersWindey Wind6:00-06:00 U.S. National Software Tools

  16. Fact #798: September 23, 2013 Plug-in Hybrid Vehicle Driving Range |

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

    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 on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport in RepresentativeDepartment ofDepartment ofofChoicesDepartment of Energy 8:

  17. Hydraulic Hybrid and Conventional Parcel Delivery Vehicles' Measured Laboratory Fuel Economy on Targeted Drive Cycles

    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 footballHydrogen and Fuel Cell Hydrogen andHydra-TH: AHybrid

  18. Hybrid Braking System for Non-Drive Axles | Department of Energy

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

    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 on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(Fact Sheet), GeothermalGridHYDROGEND D e e pShade YourHybirdBraking System for

  19. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    of Figures Figure ES-1. Advanced Coal Wind Hybrid: Basicviii Figure 1. Advanced-Coal Wind Hybrid: Basic29 Figure 9. Sensitivity to Coal

  20. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    Renewable Energy and Energy Efficiency, DOE. LBNL 275-E Advanced Coal Wind Hybrid:Renewable Energy Laboratory), and Ryan Wiser ( LBNL). i Advanced Coal Wind Hybrid:

  1. Advanced Coal Wind Hybrid: Economic Analysis

    E-Print Network [OSTI]

    Phadke, Amol

    2008-01-01T23:59:59.000Z

    of Figures Figure ES-1. Advanced Coal Wind Hybrid: Basicviii Figure 1. Advanced-Coal Wind Hybrid: Basic21 Figure 6. Comparison of ACWH and CCGT-Wind

  2. Advanced Hybrid Water Heater using Electrochemical Compressor...

    Energy Savers [EERE]

    Advanced Hybrid Water Heater using Electrochemical Compressor Advanced Hybrid Water Heater using Electrochemical Compressor Xergy is using its Electro Chemical Compression (ECC)...

  3. Programming Hybrid HPC Systems

    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:Energy: Grid Integration Redefining What's Possible forPortsmouth/Paducah47,193.70 Hg Mercury 35InformationProgramming Hybrid HPC Systems

  4. Essays On Hybrid Bundle Pricing 

    E-Print Network [OSTI]

    Meyer, Jeffrey Dean

    2011-10-21T23:59:59.000Z

    Increasingly, firms are offering hybrid bundles — products that combine both good(s) and service(s). Some hybrid bundles, such as TiVo that combines a DVR and recording management are more visible, while some, such as GE‘s Powerplant System...

  5. Hybrid spread spectrum radio system

    DOE Patents [OSTI]

    Smith, Stephen F. (London, TN) [London, TN; Dress, William B. (Camas, WA) [Camas, WA

    2010-02-09T23:59:59.000Z

    Systems and methods are described for hybrid spread spectrum radio systems. A method, includes receiving a hybrid spread spectrum signal including: fast frequency hopping demodulating and direct sequence demodulating a direct sequence spread spectrum signal, wherein multiple frequency hops occur within a single data-bit time and each bit is represented by chip transmissions at multiple frequencies.

  6. Workplace Plug-in Electric Vehicle Ride and Drive

    Broader source: Energy.gov [DOE]

    Workplace plug-in electric vehicle (PEV) Ride and Drive events are one of the most effective ways to drive PEV adoption. By providing staff the opportunity to experience PEVs first hand, they can...

  7. Secrets of the Motor That Drives Archaea Revealed

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

    Secrets of the Motor That Drives Archaea Revealed Secrets of the Motor That Drives Archaea Revealed Print Thursday, 14 February 2013 00:00 An international team led by John Tainer...

  8. Optimization of Driving Styles for Fuel Economy Improvement

    SciTech Connect (OSTI)

    Malikopoulos, Andreas [ORNL] [ORNL; Aguilar, Juan P. [Georgia Institute of Technology] [Georgia Institute of Technology

    2012-01-01T23:59:59.000Z

    Modern vehicles have sophisticated electronic control units, particularly to control engine operation with respect to a balance between fuel economy, emissions, and power. These control units are designed for specific driving conditions and testing. However, each individual driving style is different and rarely meets those driving conditions. In the research reported here we investigate those driving style factors that have a major impact on fuel economy. An optimization framework is proposed with the aim of optimizing driving styles with respect to these driving factors. A set of polynomial metamodels are constructed to reflect the responses produced by changes of the driving factors. Then we compare the optimized driving styles to the original ones and evaluate the efficiency and effectiveness of the optimization formulation.

  9. Indianapolis Offers a Lesson on Driving Demand | Department of...

    Energy Savers [EERE]

    Indianapolis Offers a Lesson on Driving Demand Indianapolis Offers a Lesson on Driving Demand The flier for EcoHouse, with the headline 'Save energy, save money, improve your home'...

  10. Columbia Power Technologies, Inc. Deploys its Direct Drive Wave...

    Office of Environmental Management (EM)

    Columbia Power Technologies, Inc. Deploys its Direct Drive Wave Energy Buoy Columbia Power Technologies, Inc. Deploys its Direct Drive Wave Energy Buoy April 9, 2013 - 12:00am...

  11. Medium- and Heavy-Duty Electric Drive Vehicle Simulation and...

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

    Medium- and Heavy-Duty Electric Drive Vehicle Simulation and Analysis Medium- and Heavy-Duty Electric Drive Vehicle Simulation and Analysis 2012 DOE Hydrogen and Fuel Cells Program...

  12. Economical Aspects of Adjustable Speed Drives in Pumping Systems

    E-Print Network [OSTI]

    Hovstadius, G.

    Speed variations of pumps have become increasingly popular as the technology to produce variable frequency drives has progressed. Variable speed drives have many advantages compared to throttle valves when it comes to regulation of flow. They offer...

  13. An Optimization Model for Eco-Driving at Signalized Intersection

    E-Print Network [OSTI]

    Chen, Zhi

    2013-07-15T23:59:59.000Z

    This research develops an optimization model for eco-driving at signalized intersection. In urban areas, signalized intersections are the “hot spots” of air emissions and have significant negative environmental and health impacts. Eco-driving is a...

  14. Utilizing the Traction Drive Power Electronics System to Provide...

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

    Traction Drive Power Electronics System to Provide Plug-in Capability for PHEVs Utilizing the Traction Drive Power Electronics System to Provide Plug-in Capability for PHEVs 2009...

  15. Phenomenology of hybrid scenarios of neutrino dark energy

    SciTech Connect (OSTI)

    Antusch, Stefan; Dutta, Koushik [Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut), Foehringer Ring 6, D-80805 Muenchen (Germany)] [Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut), Foehringer Ring 6, D-80805 Muenchen (Germany); Das, Subinoy, E-mail: antusch@mppmu.mpg.de, E-mail: subinoy@nyu.edu, E-mail: koushik@mppmu.mpg.de [Center for Cosmology and Particle Physics, Department of Physics, New York University, New York, NY 10003 (United States)] [Center for Cosmology and Particle Physics, Department of Physics, New York University, New York, NY 10003 (United States)

    2008-10-15T23:59:59.000Z

    We study the phenomenology of hybrid scenarios of neutrino dark energy, where in addition to a so-called mass-varying neutrino (MaVaN) sector a cosmological constant (from a false vacuum) is driving the accelerated expansion of the universe today. For general power law potentials we calculate the effective equation of state parameter w{sub eff}(z) in terms of the neutrino mass scale. Due to the interaction of the dark energy field ('acceleron') with the neutrino sector, w{sub eff}(z) is predicted to become smaller than -1 for z>0, which could be tested in future cosmological observations. For the scenarios considered, the neutrino mass scale additionally determines which fraction of the dark energy is dynamical, and which originates from the 'cosmological-constant-like' vacuum energy of the false vacuum. On the other hand, the field value of the 'acceleron' field today as well as the masses of the right-handed neutrinos, which appear in the seesaw-type mechanism for small neutrino masses, are not fixed. This, in principle, allows us to realize hybrid scenarios of neutrino dark energy with a 'high-scale' seesaw where the right-handed neutrino masses are close to the GUT scale. We also comment on how MaVaN hybrid scenarios with 'high-scale' seesaw might help to resolve stability problems of dark energy models with non-relativistic neutrinos.

  16. Adjustable speed drives: Applications and R&D needs

    SciTech Connect (OSTI)

    Stefanovic, V.R.

    1995-09-01T23:59:59.000Z

    The largest opportunity for the growth of adjustable speed drives (ASDs) during the next 5-6 years is in pump, fan and compressor (PFC) applications where a constant, fixed speed operation is converted to adjustable speed in order to realize energy savings. Inverter supplied induction motors are and will continue to be predominately used in these applications. Over the long term (10-15 years), the greatest ASD growth is expected in large volume consumer applications: first in hybrid electric vehicles (EVs) and in residential heating, ventilation and air-conditioning (HVAC). Both induction and a variety of AC Permanent Magnet motors are expected to be the dominant technology in this new field. The traditional ASD applications in industries which require adjustable speed (such as machine tools, robotics, steel rolling, extruders, paper mill finishing lines, etc.) offer a relatively limited potential for above average ASD growth since most of these applications have already converted to electronic speed control. As a result, ASD growth in this sector will essentially track the growth of the corresponding industries. If realized, both short and long term ASD growth opportunities will result in significant advancements of ASD technology, which will then substantially affect all other, more fragmented, ASD applications. In fact, any single large volume ASD application will serve as a catalyst for improving ASD characteristics in all other ASD applications with the same voltage rating. ASD cost and reliability (defined in the context of application compatibility) are the two most important factors which will determine whether the ASD growth opportunities are realized. Conversely, any technological improvement which carries a cost increase will be restricted to niche applications, at best. Consequently, future R & D efforts should be directed to secure reduction in ASD cost and improvement in ASD reliability. A specific action plan is outlined in this report.

  17. Current Drive in a Ponderomotive Potential with Sign Reversal

    SciTech Connect (OSTI)

    N.J. Fisch; J.M. Rax; I.Y. Dodin

    2003-07-30T23:59:59.000Z

    Noninductive current drive can be accomplished through ponderomotive forces with high efficiency when the potential changes sign over the interaction region. The effect can practiced upon both ions and electrons. The current drive efficiencies, in principle, might be higher than those possible with conventional radio-frequency current-drive techniques, since different considerations come into play.

  18. Active surge control of centrifugal compressors using drive torque

    E-Print Network [OSTI]

    Gravdahl, Jan Tommy

    Active surge control of centrifugal compressors using drive torque Jan Tommy Gravdahl , Olav control is presented. A centrifugal compressor driven by an electrical motor is studied, and the drive of the drive as control ensures exponential convergence. The proposed method is simulated on a compressor model

  19. LAPP-TECH-2013-01 DRIVE BEAM STRIPLINE BPM

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    1 LAPP-TECH-2013-01 DRIVE BEAM STRIPLINE BPM ELECTRONICS AND ACQUISITION. Jean-Marc Nappa, Jean- around acquisition and components tests for drive beam stripline BPM read-out. The choice of the presented stripline BPM as the drive beam position monitor is not definitive. The aim of this study

  20. Tough, bio-inspired hybrid materials

    E-Print Network [OSTI]

    Munch, Etienne

    2009-01-01T23:59:59.000Z

    hybrid materials are an order of magnitude higher than standard hot-pressed homogeneous nanocomposites

  1. Battery Wear from Disparate Duty-Cycles: Opportunities for Electric-Drive Vehicle Battery Health Management; Preprint

    SciTech Connect (OSTI)

    Smith, K.; Earleywine, M.; Wood, E.; Pesaran, A.

    2012-10-01T23:59:59.000Z

    Electric-drive vehicles utilizing lithium-ion batteries experience wholly different degradation patterns than do conventional vehicles, depending on geographic ambient conditions and consumer driving and charging patterns. A semi-empirical life-predictive model for the lithium-ion graphite/nickel-cobalt-aluminum chemistry is presented that accounts for physically justified calendar and cycling fade mechanisms. An analysis of battery life for plug-in hybrid electric vehicles considers 782 duty-cycles from travel survey data superimposed with climate data from multiple geographic locations around the United States. Based on predicted wear distributions, opportunities for extending battery life including modification of battery operating limits, thermal and charge control are discussed.

  2. Hybrid Vehicle Program. Final report

    SciTech Connect (OSTI)

    None

    1984-06-01T23:59:59.000Z

    This report summarizes the activities on the Hybrid Vehicle Program. The program objectives and the vehicle specifications are reviewed. The Hybrid Vehicle has been designed so that maximum use can be made of existing production components with a minimum compromise to program goals. The program status as of the February 9-10 Hardware Test Review is presented, and discussions of the vehicle subsystem, the hybrid propulsion subsystem, the battery subsystem, and the test mule programs are included. Other program aspects included are quality assurance and support equipment. 16 references, 132 figures, 47 tables.

  3. Comparing Two Types of Magnetically- Coupled Adjustable Speed Drives with Variable Frequency Drives in Pump and Fan Applications

    E-Print Network [OSTI]

    Anderson, K. J.; Chvala, W. D.

    This paper presents the results from laboratory tests on MagnaDrive Corporations fixed-magnet magnetically-coupled adjustable speed drive (MC-ASD) and Coyote Electronics electromagnetic MC-ASD as compared to a typical variable frequency drive (VFD...

  4. Oscillatory nonohomic current drive for maintaining a plasma current

    DOE Patents [OSTI]

    Fisch, N.J.

    1984-01-01T23:59:59.000Z

    Apparatus and methods are described for maintaining a plasma current with an oscillatory nonohmic current drive. Each cycle of operation has a generation period in which current driving energy is applied to the plasma, and a relaxation period in which current driving energy is removed. Plasma parameters, such as plasma temperature or plasma average ionic charge state, are modified during the generation period so as to oscillate plasma resistivity in synchronism with the application of current driving energy. The invention improves overall current drive efficiencies.

  5. Evaluation of the Teledyne SIDECAR ASIC at cryogenic temperature using a visible hybrid H2RG focal plane array in 32 channel readout

    E-Print Network [OSTI]

    Liske, Jochen

    Evaluation of the Teledyne SIDECAR ASIC at cryogenic temperature using a visible hybrid H2RG focal, Hilo, HI 96720, USA ABSTRACT Teledyne Imaging Sensors (TIS) has developed a new CMOS device known of FPA drive electronics to operate visible and infrared imaging detectors with a fully digital interface

  6. Hybrid Fuel Cell Technology Overview

    SciTech Connect (OSTI)

    None available

    2001-05-31T23:59:59.000Z

    For the purpose of this STI product and unless otherwise stated, hybrid fuel cell systems are power generation systems in which a high temperature fuel cell is combined with another power generating technology. The resulting system exhibits a synergism in which the combination performs with an efficiency far greater than can be provided by either system alone. Hybrid fuel cell designs under development include fuel cell with gas turbine, fuel cell with reciprocating (piston) engine, and designs that combine different fuel cell technologies. Hybrid systems have been extensively analyzed and studied over the past five years by the Department of Energy (DOE), industry, and others. These efforts have revealed that this combination is capable of providing remarkably high efficiencies. This attribute, combined with an inherent low level of pollutant emission, suggests that hybrid systems are likely to serve as the next generation of advanced power generation systems.

  7. Global optimization of hybrid systems

    E-Print Network [OSTI]

    Lee, Cha Kun

    2006-01-01T23:59:59.000Z

    Systems that exhibit both discrete state and continuous state dynamics are called hybrid systems. In most nontrivial cases, these two aspects of system behavior interact to such a significant extent that they cannot be ...

  8. Electrifying Your Drive | Department of Energy

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

    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 on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube|6721 Federal Register / Vol.6:Energy|Electrifying Your Drive Electrifying

  9. Traction Drive Systems Breakout | Department of Energy

    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:Energy: Grid Integration Redefining What'sis Taking Over OurThe Iron Spin Transition in2, 2003Tool ofTopo II:7.1Tracking LivingTraction Drive

  10. Eco Drive Capital Partners | 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 Potential MicrohydroDistrictInformationEau ClaireEco AlternativeDrive

  11. Has Driving Come to a Halt?

    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 40 Buildingto17 3400, U.S.MajorMarketsNov-14 Dec-14Has Driving Come to a Halt?

  12. Jefferson Lab Visitor's Center - Driving in Virginia

    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 SchoolIn12 InvestigationLabNewLabLab To ReceiveUserDriving

  13. MASSACHUSETTS DRIVES PERFORMANCE MEASUREMENT | Department of Energy

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

    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 on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking ofOil & Gas »ofMarketing |Prepare For more(VersionMASSACHUSETTS DRIVES

  14. Driving/Idling Resources | Department of Energy

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

    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 on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny:Revised Finding of No53197E TDrew Bittner About Us Drew BittnerHome to aDriving

  15. GenDrive Limited | 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 Siteof Energy 2,AUDIT REPORTEnergyFarms A SUK Place: Newport,Gate SolarGroupsGenDrive

  16. Driving Green com | 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 beingZealand JumpConceptual Model,DOE FacilityDimondale,South, New Jersey: EnergyDrewDrilling FluidsIdahoDriving

  17. National Drive Electric Week | Department of Energy

    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 1112011 Strategic2 OPAM615_Cost Estimating35.docMusings on| DepartmentEnergyNational Drive

  18. Ultracapacitor Technologies and Application in Hybrid and Electric Vehicles

    E-Print Network [OSTI]

    Burke, Andy

    2009-01-01T23:59:59.000Z

    The parallel hybrid passenger car (VW Golf) combined an EDLCpassenger cars using the ultracapacitors in micro-hybrid,passenger car using both carbon/carbon and hybrid carbon

  19. Optimum Performance of Direct Hydrogen Hybrid Fuel Cell Vehicles

    E-Print Network [OSTI]

    Zhao, Hengbing; Burke, Andy

    2009-01-01T23:59:59.000Z

    ultracapacitors, fuel cells and hybrid vehicle design. Dr.on electric and hybrid vehicle technology and applicationsand performance. Hybrid vehicles utilizing a load leveling

  20. Evaluation Of Potential Hybrid Electric Vehicle Applications: Vol I

    E-Print Network [OSTI]

    Gris, Arturo E.

    1991-01-01T23:59:59.000Z

    Vehicle Symposium, "The Hybrid Vehicle Revisited", OctoberBus Hv REFERENCES “Hybrid Vehicle Assessment, Phase I,Laboratory, March 1984 “Hybrid Vehicle Engineering Task”

  1. Are Batteries Ready for Plug-in Hybrid Buyers?

    E-Print Network [OSTI]

    Axsen, Jonn; Burke, Andy; Kurani, Kenneth S

    2010-01-01T23:59:59.000Z

    M. , 2006. Plug-in hybrid vehicle analysis. Milestonegas emissions from plug-in hybrid vehicles: implications forPresentation at SAE 2008 Hybrid Vehicle Technologies

  2. Optimum Performance of Direct Hydrogen Hybrid Fuel Cell Vehicles

    E-Print Network [OSTI]

    Zhao, Hengbing; Burke, Andy

    2009-01-01T23:59:59.000Z

    in batteries, ultracapacitors, fuel cells and hybrid vehicleBattery, Hybrid and Fuel Cell Electric Vehicle SymposiumBattery, Hybrid and Fuel Cell Electric Vehicle Symposium

  3. A Revolutionary Hybrid Thermodynamic Cycle for Bianary Geothermal...

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

    A Revolutionary Hybrid Thermodynamic Cycle for Bianary Geothermal Power A Revolutionary Hybrid Thermodynamic Cycle for Bianary Geothermal Power A Revolutionary Hybrid Thermodynamic...

  4. Vehicle Technologies Office: Hybrid and Vehicle Systems | Department...

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

    Hybrid and Vehicle Systems Vehicle Technologies Office: Hybrid and Vehicle Systems Hybrid and vehicle systems research provides an overarching vehicle systems perspective to the...

  5. Analysis of the spectroscopy of a hybrid system composed of a superconducting flux qubit and diamond NV centers

    E-Print Network [OSTI]

    H. Cai; Y. Matsuzaki; K. Kakuyanagi; H. Toida; X. Zhu; N. Mizuochi; K. Nemoto; K. Semba; W. J. Munro; S. Saito; H. Yamaguchi

    2015-05-28T23:59:59.000Z

    A hybrid system that combines the advantages of a superconducting flux qubit and an electron spin ensemble in diamond is one of the promising devices to realize quantum information processing. Exploring the properties of the superconductor diamond system is essential for the efficient use of this device. When we perform spectroscopy of this system, significant power broadening is observed. However, previous models to describe this system are known to be applicable only when the power broadening is negligible. Here, we construct a new approach to analyze this system with strong driving, and succeed to reproduce the spectrum with the power broadening. Our results provide an efficient way to analyze this hybrid system.

  6. A Study on Potential Environmental Benefits of Green Driving Strategies with NGSIM Data

    E-Print Network [OSTI]

    Jin, Wen-Long; Yuan, Daji; Yang, Hao

    2010-01-01T23:59:59.000Z

    before green driving, solid lines for those after greenbefore green driving, solid lines for those after green

  7. Hybrid power source

    DOE Patents [OSTI]

    Singh, Harmohan N.

    2012-06-05T23:59:59.000Z

    A hybrid power system is comprised of a high energy density element such as a fuel-cell and high power density elements such as a supercapacitor banks. A DC/DC converter electrically connected to the fuel cell and converting the energy level of the energy supplied by the fuel cell. A first switch is electrically connected to the DC/DC converter. First and second supercapacitors are electrically connected to the first switch and a second switch. A controller is connected to the first switch and the second switch, monitoring charge levels of the supercapacitors and controls the switching in response to the charge levels. A load is electrically connected to the second switch. The first switch connects the DC/DC converter to the first supercapacitor when the second switch connects the second supercapacitor to the load. The first switch connects the DC/DC converter to the second supercapacitor when the second switch connects the first supercapacitor to the load.

  8. ADVANCED HYBRID PARTICULATE COLLECTOR

    SciTech Connect (OSTI)

    Stanley J. Miller; Grant L. Schelkoph; Grant E. Dunham

    2000-12-01T23:59:59.000Z

    A new concept in particulate control, called an advanced hybrid particulate collector (AHPC), is being developed under funding from the US Department of Energy. The AHPC combines the best features of electrostatic precipitators (ESPs) and baghouses in an entirely novel manner. The AHPC concept combines fabric filtration and electrostatic precipitation in the same housing, providing major synergism between the two methods, both in the particulate collection step and in transfer of dust to the hopper. The AHPC provides ultrahigh collection efficiency, overcoming the problem of excessive fine-particle emissions with conventional ESPs, and solves the problem of reentrainment and recollection of dust in conventional baghouses. Phase I of the development effort consisted of design, construction, and testing of a 5.7-m{sup 3}/min (200-acfm) working AHPC model. Results from both 8-hour parametric tests and 100-hour proof-of-concept tests with two different coals demonstrated excellent operability and greater than 99.99% fine-particle collection efficiency.

  9. Eco-Driving: Drive Green, Save Green Part of the Clean Fuel Advanced Technology Project

    E-Print Network [OSTI]

    for · Equipment: Vehicle choice makes a difference #12;Eco-Driving Practices 1. Watch your speed Every 5 mph you for XMT Construction of Surrey) #12;Resources For Economical Choices · Auto Alliance www scheduling the complete training: NC State University / North Carolina Solar Center Clean Transportation

  10. VIRTUAL REALITY DRIVING SIMULATION: Integrating Infrastructure Plans, Traffic Models, and Driving Behaviors

    E-Print Network [OSTI]

    to include 3D models, animated traffic and human characters, as well as functions that allow users to take-1- VIRTUAL REALITY DRIVING SIMULATION: Integrating Infrastructure Plans, Traffic Models@forum8.co.jp Summary: This paper presents a virtual reality (VR) system that enables large

  11. Evaluation of Utility System Impacts and Benefits of Optimally Dispatched Plug-In Hybrid Electric Vehicles (Revised)

    SciTech Connect (OSTI)

    Denholm, P.; Short, W.

    2006-10-01T23:59:59.000Z

    Hybrid electric vehicles with the capability of being recharged from the grid may provide a significant decrease in oil consumption. These ''plug-in'' hybrids (PHEVs) will affect utility operations, adding additional electricity demand. Because many individual vehicles may be charged in the extended overnight period, and because the cost of wireless communication has decreased, there is a unique opportunity for utilities to directly control the charging of these vehicles at the precise times when normal electricity demand is at a minimum. This report evaluates the effects of optimal PHEV charging, under the assumption that utilities will indirectly or directly control when charging takes place, providing consumers with the absolute lowest cost of driving energy. By using low-cost off-peak electricity, PHEVs owners could purchase the drive energy equivalent to a gallon of gasoline for under 75 cents, assuming current national average residential electricity prices.

  12. Traction drive automatic transmission for gas turbine engine driveline

    DOE Patents [OSTI]

    Carriere, Donald L. (Livonia, MI)

    1984-01-01T23:59:59.000Z

    A transaxle driveline for a wheeled vehicle has a high speed turbine engine and a torque splitting gearset that includes a traction drive unit and a torque converter on a common axis transversely arranged with respect to the longitudinal centerline of the vehicle. The drive wheels of the vehicle are mounted on a shaft parallel to the turbine shaft and carry a final drive gearset for driving the axle shafts. A second embodiment of the final drive gearing produces an overdrive ratio between the output of the first gearset and the axle shafts. A continuously variable range of speed ratios is produced by varying the position of the drive rollers of the traction unit. After starting the vehicle from rest, the transmission is set for operation in the high speed range by engaging a first lockup clutch that joins the torque converter impeller to the turbine for operation as a hydraulic coupling.

  13. A motor drive control system for the Lidar Polarimeter

    E-Print Network [OSTI]

    Leung, Waiming

    1977-01-01T23:59:59.000Z

    A MOTOR DRIVE CONTROL SYSTEM FOR THE LIDAR POLARIMETER A Thesis by Waiming Leung Submitted to the Graduate College of Texas A/M University in partial fulfillment of the requirement for the degree of MASTER OF SCIENCF, May 1977 Major... Subject: Electrical Engineering A MOTOR DRIVE CONTROL SYSTEM FOR THE LIDAR POLARIMETER A Thesis by Waiming Leung Approved as to style and content by: Chairman o Comm' ee ea o epartment Member Mem er May 1977 ABSTRACT A Motor Drive Control...

  14. A FORMULA FOR EFFICIENCY OF FAST WAVE CURRENT DRIVE

    E-Print Network [OSTI]

    Karney, Charles

    A FORMULA FOR EFFICIENCY OF FAST WAVE CURRENT DRIVE IN FUSION DEVICES S.C. CHIU, C.F.F. KARNEY,* R://charles.karney.info/biblio/chiu92.html #12;Chiu e t al. 4 FORMULA FOR EFFICIENCY OF FAST WAVE CURRENT DRIVE IN FUSION DEVICES A FORMULA FOR EFFICIENCY OF FAST WAVE CURRENT DRIVE IN FUSION DEVICES* S.C. CHIU,C.F.F. KARNEY,~R.W. HARVEY

  15. Vehicle drive module having improved terminal design

    DOE Patents [OSTI]

    Beihoff, Bruce C.; Radosevich, Lawrence D.; Phillips, Mark G.; Kehl, Dennis L.; Kaishian, Steven C.; Kannenberg, Daniel G.

    2006-04-25T23:59:59.000Z

    A terminal structure for vehicle drive power electronics circuits reduces the need for a DC bus and thereby the incidence of parasitic inductance. The structure is secured to a support that may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. The support may form a shield from both external EMI/RFI and from interference generated by operation of the power electronic circuits. Features may be provided to permit and enhance connection of the circuitry to external circuitry, such as by direct contact between the terminal assembly and AC and DC circuit components. Modular units may be assembled that may be coupled to electronic circuitry via plug-in arrangements or through interface with a backplane or similar mounting and interconnecting structures.

  16. Vehicle drive module having improved cooling configuration

    DOE Patents [OSTI]

    Radosevich, Lawrence D.; Meyer, Andreas A.; Kannenberg, Daniel G.; Kaishian, Steven C.; Beihoff, Bruce C.

    2007-02-13T23:59:59.000Z

    An electric vehicle drive includes a thermal support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. Power electronic circuits are thermally matched, such as between component layers and between the circuits and the support. The support may form a shield from both external EMI/RFI and from interference generated by operation of the power electronic circuits. Features may be provided to permit and enhance connection of the circuitry to external circuitry, such as improved terminal configurations. Modular units may be assembled that may be coupled to electronic circuitry via plug-in arrangements or through interface with a backplane or similar mounting and interconnecting structures.

  17. Vehicle drive module having improved EMI shielding

    DOE Patents [OSTI]

    Beihoff, Bruce C.; Kehl, Dennis L.; Gettelfinger, Lee A.; Kaishian, Steven C.; Phillips, Mark G.; Radosevich, Lawrence D.

    2006-11-28T23:59:59.000Z

    EMI shielding in an electric vehicle drive is provided for power electronics circuits and the like via a direct-mount reference plane support and shielding structure. The thermal support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. The support forms a shield from both external EMI/RFI and from interference generated by operation of the power electronic circuits. Features may be provided to permit and enhance connection of the circuitry to external circuitry, such as improved terminal configurations. Modular units may be assembled that may be coupled to electronic circuitry via plug-in arrangements or through interface with a backplane or similar mounting and interconnecting structures.

  18. US DRIVE Advanced Combustion and Emission Control Technical Team...

    Energy Savers [EERE]

    Advanced Combustion and Emission Control Technical Team Roadmap US DRIVE Advanced Combustion and Emission Control Technical Team Roadmap The ACEC focuses on advanced engine and...

  19. Using Partnerships to Drive Demand and Provide Services in Communities...

    Energy Savers [EERE]

    and Discussion Summary More Documents & Publications Strategies for Marketing and Driving Demand for Commercial Financing Products Information Technology Tools for Multifamily...

  20. Strategies for Marketing and Driving Demand for Commercial Financing...

    Energy Savers [EERE]

    Slides and Discussion Summary More Documents & Publications Using Partnerships to Drive Demand and Provide Services in Communities Financial Vehicles within an Integrated Energy...

  1. ae stars driving: Topics by E-print Network

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

    - Isolated Herbig Ae Stars Driving Herbig-Haro Flows Astrophysics (arXiv) Summary: Infrared photometry and spectroscopy covering a time span of a quarter century are presented...

  2. advanced electrical drives: Topics by E-print Network

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

    require large voltage changes on very short time scales. Since piezos behave electrically as capacitors, this requires a drive circuit capable of quickly sourcing or sinking...

  3. Vehicle Technologies Office: US DRIVE Materials Technical Team...

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

    vehicle efficiency regardless of the vehicle size or propulsion system employed. This roadmap lays out the future direction for this research. U.S. DRIVE Materials Technical Team...

  4. Vehicle Technologies Office: U.S. DRIVE 2014 Technical Accomplishments...

    Energy Savers [EERE]

    Report More Documents & Publications US DRIVE Electrochemical Energy Storage Technical Team Roadmap Vehicle Technologies Office: 2009 Energy Storage R&D Annual Progress Report...

  5. Accelerating the Electrification of U.S. Drive Trains: Ready...

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

    Ready and Affordable Technology Solutions for Domestically Manufactured Advanced Batteries Accelerating the Electrification of U.S. Drive Trains: Ready and Affordable...

  6. The Drive for Energy Diversity and Sustainability: The Impact...

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

    Diversity and Sustainability: The Impact on Transportation Fuels and Propulsion System Portfolios The Drive for Energy Diversity and Sustainability: The Impact on Transportation...

  7. U.S. DRIVE Highlights of Technical Accomplishments 2011: Super...

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

    2011 U.S. DRIVE Highlight Advanced Combustion and Emission Control 2011 Super Duty Diesel Truck with NO x Aftertreatment Diesel engine aftertreatment: Minimizing NO x emissions...

  8. Solutia: Utilizing Sub-Metering to Drive Energy Project Approvals...

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

    plant. Solutia: Utilizing Sub-Metering to Drive Energy Project Approvals Through Data (July 2011) More Documents & Publications Nissan North America: How Sub-Metering...

  9. Defining Real World Drive Cycles to Support APRF Technology Evaluation...

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

    DOE strategic goalsbarriers addressed - F: Constant advances in technology * Fuel energy consumption variability of different technologies to driving variation - D: Lack of...

  10. addressing teen driving: Topics by E-print Network

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

    Page Last Page Topic Index 1 In Vehicle Technology to Correct Teen Driving Behavior Energy Storage, Conversion and Utilization Websites Summary: In Vehicle Technology to Correct...

  11. ac motor drives: Topics by E-print Network

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

    - TxSpace Summary: and Quantitative Account Gear-Train Servo Error Types. IV. DC VARIABLE SPEED MOTOR DRIVE DESIGN CONSIDERATIONS AND RFALIZATION. Introduction. 27 29 30...

  12. ac motor drive: Topics by E-print Network

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

    - TxSpace Summary: and Quantitative Account Gear-Train Servo Error Types. IV. DC VARIABLE SPEED MOTOR DRIVE DESIGN CONSIDERATIONS AND RFALIZATION. Introduction. 27 29 30...

  13. assisted driving system: Topics by E-print Network

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

    - TxSpace Summary: and Quantitative Account Gear-Train Servo Error Types. IV. DC VARIABLE SPEED MOTOR DRIVE DESIGN CONSIDERATIONS AND RFALIZATION. Introduction. 27 29 30...

  14. US DRIVE Materials Technical Team Roadmap | Department of Energy

    Energy Savers [EERE]

    Materials Technical Team Roadmap US DRIVE Materials Technical Team Roadmap The Materials Technical Team (MTT) focuses primarily on reducing the mass of structural systems such as...

  15. Supercomputers Drive Discovery of Materials for More Efficient...

    Office of Science (SC) Website

    Supercomputers Drive Discovery of Materials for More Efficient Carbon Capture Advanced Scientific Computing Research (ASCR) ASCR Home About Research Facilities Science Highlights...

  16. Driving the Future Argonne's vehicle systems reseArch

    E-Print Network [OSTI]

    Kemner, Ken

    and commercialization of next- generation vehicles. APRF engineers use the facility's two-wheel drive (2WD) and four, drivetrain components, control strategies and

  17. Watch Energy Secretary Moniz Test Drive the Toyota Mirai

    Broader source: Energy.gov [DOE]

    The Energy Department posted a video of ?Secretary Ernest Moniz driving the Toyota Mirai, the first fuel cell electric vehicle (FCEV) for sale in the United States.

  18. Expected Technological Innovation to Drive Global Market for...

    Open Energy Info (EERE)

    Innovation to Drive Global Market for Microturbine Systems Home > Groups > Increase Natural Gas Energy Efficiency John55364's picture Submitted by John55364(95) Contributor...

  19. actively drives processive: Topics by E-print Network

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

    and Hyoid during Chewing in Gnathostomes Biology and Medicine Websites Summary: SYMPOSIUM Evolution of Muscle Activity Patterns Driving Motions of the Jaw and Hyoid during Chewing....

  20. High-Temperature, Air-Cooled Traction Drive Inverter Packaging

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

    Air-Cooled Traction Drive Inverter Packaging Madhu Chinthavali Oak Ridge National Laboratory June 10, 2010 Project ID: APE025 This presentation does not contain any proprietary,...

  1. Phonon localization drives nanoregions in a relaxor ferroelectric...

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

    localization drives nanoregions in a relaxor ferroelectric April 11, 2014 This inelastic neutron scattering spectrum shows the localizing modes (LMs) between the transverse optic...

  2. EV Everywhere Electric Drive Workshop: Preliminary Target-Setting...

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

    Challenge - Electric Drive (Power Electronics and Electric Machines) Workshop on July 24, 2012 held at the Doubletree O'Hare, Chicago, IL. 3warded.pdf More Documents &...

  3. EV Everywhere Grand Challenge Introduction for Electric Drive...

    Energy Savers [EERE]

    David Danielson at the EV Everywhere Grand Challenge - Electric Drive (Power Electronics and Electric Machines) Workshop on July 24, 2012 held at the Doubletree O'Hare,...

  4. EV Everywhere Workshop: Traction Drive Systems Breakout Group...

    Energy Savers [EERE]

    Presentation given at the EV Everywhere Grand Challenge Electric Drive (Power Electronics and Electric Machines) Workshop on July 24, 2012 held at the Doubletree O'Hare,...

  5. Electrical motor/generator drive apparatus and method

    DOE Patents [OSTI]

    Su, Gui Jia

    2013-02-12T23:59:59.000Z

    The present disclosure includes electrical motor/generator drive systems and methods that significantly reduce inverter direct-current (DC) bus ripple currents and thus the volume and cost of a capacitor. The drive methodology is based on a segmented drive system that does not add switches or passive components but involves reconfiguring inverter switches and motor stator winding connections in a way that allows the formation of multiple, independent drive units and the use of simple alternated switching and optimized Pulse Width Modulation (PWM) schemes to eliminate or significantly reduce the capacitor ripple current.

  6. CONDUCTIVE POLYCARBONATE NANOCOMPOSITES with HYBRID NANOFILLERS

    E-Print Network [OSTI]

    Collins, Gary S.

    CONDUCTIVE POLYCARBONATE NANOCOMPOSITES with HYBRID NANOFILLERS Catherine Smith, Brooks Lively, Wei of polymers. Emerging technologies have demonstrated the crucial need for highly conductive polymer combination between polycarbonate (PC) and hybrid concentrations of CNT and GNP nanofillers was investigated

  7. Conditions when hybridization might predispose populations

    E-Print Network [OSTI]

    COMMENTARY Conditions when hybridization might predispose populations for adaptive radiation O (Sch- warzer et al., 2012), perhaps just as a consequence of many young species in geographical et al., 2011; Genner & Turner, 2012). Whether these species radiations happen despite hybridization

  8. Hybrid Membranes for Light Gas Separations

    E-Print Network [OSTI]

    Liu, Ting

    2012-07-16T23:59:59.000Z

    separations, especially olefin/paraffin separations. This thesis focuses on the designing dendrimer-based hybrid membranes on mesoporous alumina for reverse-selective separations, synthesizing Cu(I)-dendrimer hybrid membrane to facilitate olefin...

  9. Hybrid vehicle-centric route guidance

    E-Print Network [OSTI]

    Farver, Jennifer M. (Jennifer Margaret), 1976-

    2005-01-01T23:59:59.000Z

    This thesis proposes a hybrid route guidance system in which predictive guidance is generated in a centralized layer and revised in a reactive, decentralized layer that resides on-board the vehicle. This hybrid approach ...

  10. Musa hybrid cv. Blue Java (Cultivated) 3 

    E-Print Network [OSTI]

    James R. Manhart

    2011-08-10T23:59:59.000Z

    Natural hybrid zones provide opportunities to study a range of evolutionary phenomena from speciation to the genetic basis of fitness-related traits. Additionally, investing the structure of hybrid zones can provide valuable insight in the ecology...

  11. METAHEURISTIC HYBRIDIZATION WITH GRASP 1. Introduction ...

    E-Print Network [OSTI]

    2008-04-14T23:59:59.000Z

    Apr 14, 2008 ... Combinatorial optimization can be defined by a finite ground set E = {1,...,n}, ... shipping), energy (electrical power, petroleum, natural gas), and ... Hybrid construction schemes are considered in Section 3 and hybrid local.

  12. Hybrid solar-fossil fuel power generation

    E-Print Network [OSTI]

    Sheu, Elysia J. (Elysia Ja-Zeng)

    2012-01-01T23:59:59.000Z

    In this thesis, a literature review of hybrid solar-fossil fuel power generation is first given with an emphasis on system integration and evaluation. Hybrid systems are defined as those which use solar energy and fuel ...

  13. Modeling and Analysis ofModeling and Analysis of Hybrid Control SystemsHybrid Control Systems

    E-Print Network [OSTI]

    Johansson, Karl Henrik

    control systems, MOVEP, Bordeaux, 2006 Automatic gear boxAutomatic gear box #12;Karl H. Johansson, HybridModeling and Analysis ofModeling and Analysis of Hybrid Control SystemsHybrid Control Systems Karl.kth.se/~kallej MOVEP 2006, Bordeaux, France Karl H. Johansson, Hybrid control systems, MOVEP, Bordeaux

  14. Electric and Hybrid Vehicle Technology: TOPTEC

    SciTech Connect (OSTI)

    Not Available

    1992-01-01T23:59:59.000Z

    Today, growing awareness of environmental and energy issues associated with the automobile has resulted in renewed interest in the electric vehicle. In recognition of this, the Society of Automotive Engineers has added a TOPTEC on electric vehicles to the series of technical symposia focused on key issues currently facing industry and government. This workshop on the Electric and Hybrid Vehicle provides an opportunity to learn about recent progress in these rapidly changing technologies. Research and development of both the vehicle and battery system has accelerated sharply and in fact, the improved technologies of the powertrain system make the performance of today's electric vehicle quite comparable to the equivalent gasoline vehicle, with the exception of driving range between refueling'' stops. Also, since there is no tailpipe emission, the electric vehicle meets the definition of Zero Emission Vehicle: embodied in recent air quality regulations. The discussion forum will include a review of the advantages and limitations of electric vehicles, where the technologies are today and where they need to be in order to get to production level vehicles, and the service and maintenance requirements once they get to the road. There will be a major focus on the status of battery technologies, the various approaches to recharge of the battery systems and the activities currently underway for developing standards throughout the vehicle and infrastructure system. Intermingled in all of this technology discussion will be a view of the new relationships emerging between the auto industry, the utilities, and government. Since the electric vehicle and its support system will be the most radical change ever introduced into the private vehicle sector of the transportation system, success in the market requires an understanding of the role of all of the partners, as well as the new technologies involved.

  15. Electric and Hybrid Vehicle Technology: TOPTEC

    SciTech Connect (OSTI)

    Not Available

    1992-12-01T23:59:59.000Z

    Today, growing awareness of environmental and energy issues associated with the automobile has resulted in renewed interest in the electric vehicle. In recognition of this, the Society of Automotive Engineers has added a TOPTEC on electric vehicles to the series of technical symposia focused on key issues currently facing industry and government. This workshop on the Electric and Hybrid Vehicle provides an opportunity to learn about recent progress in these rapidly changing technologies. Research and development of both the vehicle and battery system has accelerated sharply and in fact, the improved technologies of the powertrain system make the performance of today`s electric vehicle quite comparable to the equivalent gasoline vehicle, with the exception of driving range between ``refueling`` stops. Also, since there is no tailpipe emission, the electric vehicle meets the definition of ``Zero Emission Vehicle: embodied in recent air quality regulations. The discussion forum will include a review of the advantages and limitations of electric vehicles, where the technologies are today and where they need to be in order to get to production level vehicles, and the service and maintenance requirements once they get to the road. There will be a major focus on the status of battery technologies, the various approaches to recharge of the battery systems and the activities currently underway for developing standards throughout the vehicle and infrastructure system. Intermingled in all of this technology discussion will be a view of the new relationships emerging between the auto industry, the utilities, and government. Since the electric vehicle and its support system will be the most radical change ever introduced into the private vehicle sector of the transportation system, success in the market requires an understanding of the role of all of the partners, as well as the new technologies involved.

  16. Quantifying the benefits of hybrid vehicles

    E-Print Network [OSTI]

    Turrentine, Tom; Delucchi, Mark; Heffner, Reid R.; Kurani, Kenneth S; Sun, Yongling

    2006-01-01T23:59:59.000Z

    General Motors’ Silverado truck is a “light“ hybrid. It replaces the normal flywheel of a gasoline engine

  17. Hybrid Silicon Photonic Integrated Circuit Technology

    E-Print Network [OSTI]

    2013-01-01T23:59:59.000Z

    of Hewlett Packard; A. Yariv of Caltech; D. Dai of ZhejiangA. Scherer, and A. Yariv, “Electrically pumped hybrid

  18. Module 8: Fuel Cell Hybrid Electric Vehicles

    Broader source: Energy.gov [DOE]

    This course covers hybrid electric vehicles, electric motors, auxiliary power units, generators, energy storage systems, regenerative braking, control systems

  19. hybridTalk1.ppt

    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:Energy: Grid Integration Redefining What'sis Taking Over OurThe Iron4 Self-Scrubbing:,, , .,Shreve; University67Hybrid and VehicleHybrid

  20. An Optimization Model for Plug-In Hybrid Electric Vehicles

    SciTech Connect (OSTI)

    Malikopoulos, Andreas [ORNL] [ORNL; Smith, David E [ORNL] [ORNL

    2011-01-01T23:59:59.000Z

    The necessity for environmentally conscious vehicle designs in conjunction with increasing concerns regarding U.S. dependency on foreign oil and climate change have induced significant investment towards enhancing the propulsion portfolio with new technologies. More recently, plug-in hybrid electric vehicles (PHEVs) have held great intuitive appeal and have attracted considerable attention. PHEVs have the potential to reduce petroleum consumption and greenhouse gas (GHG) emissions in the commercial transportation sector. They are especially appealing in situations where daily commuting is within a small amount of miles with excessive stop-and-go driving. The research effort outlined in this paper aims to investigate the implications of motor/generator and battery size on fuel economy and GHG emissions in a medium-duty PHEV. An optimization framework is developed and applied to two different parallel powertrain configurations, e.g., pre-transmission and post-transmission, to derive the optimal design with respect to motor/generator and battery size. A comparison between the conventional and PHEV configurations with equivalent size and performance under the same driving conditions is conducted, thus allowing an assessment of the fuel economy and GHG emissions potential improvement. The post-transmission parallel configuration yields higher fuel economy and less GHG emissions compared to pre-transmission configuration partly attributable to the enhanced regenerative braking efficiency.

  1. Distributed Theorem Proving for Distributed Hybrid Systems

    E-Print Network [OSTI]

    Platzer, André

    system with a varying number of arbitrarily many cars. 1 Introduction Hybrid systems with joint discrete a multi-agent system, e.g., distributed car control systems. Such systems form distributed hybrid systemsDistributed Theorem Proving for Distributed Hybrid Systems David W. Renshaw, Sarah M. Loos

  2. Analysis of national pay-as-you-drive insurance systems and other variable driving charges

    SciTech Connect (OSTI)

    Wenzel, T.

    1995-07-01T23:59:59.000Z

    Under Pay as You Drive insurance (PAYD), drivers would pay part of their automobile insurance premium as a per-gallon surcharge every time they filled their gas tank. By transfering a portion of the cost of owning a vehicle from a fixed cost to a variable cost, PAYD would discourage driving. PAYD has been proposed recently in California as a means of reforming how auto insurance is provided. PAYD proponents claim that, by forcing drivers to purchase at least part of their insurance every time they refuel their car, PAYD would reduce or eliminate the need for uninsured motorist coverage. Some versions of PAYD proposed in California have been combined with a no-fault insurance system, with the intention of further reducing premiums for the average driver. Other states have proposed PAYD systems that would base insurance premiums on annual miles driven. In this report we discuss some of the qualitative issues surrounding adoption of PAYD and other policies that would convert other fixed costs of driving (vehicle registration, safety/emission control system inspection, and driver license renewal) to variable costs. We examine the effects of these policies on two sets of objectives: objectives related to auto insurance reform, and those related to reducing fuel consumption, CO{sub 2} emissions, and vehicle miles traveled. We pay particular attention to the first objective, insurance reform, since this has generated the most interest in PAYD to date, at least at the state level.

  3. Copyright 2013 Gaia Geothermal, LLC 1Hybrid Design Slide 1.1 -Hybrid Design with the New GLD

    E-Print Network [OSTI]

    Copyright © 2013 ­ Gaia Geothermal, LLC 1Hybrid Design ­ Slide 1.1 - Hybrid Design Geothermal, LLC 2Hybrid Design ­ Slide 1.1 - The new hybrid design tool in GLD provides: · Precision peak;Copyright © 2013 ­ Gaia Geothermal, LLC 3Hybrid Design ­ Slide 1.1 - In previous versions of GLD, the hybrid

  4. Conceptual Design - Polar Drive Ignition Campaign

    SciTech Connect (OSTI)

    Hansen, R

    2012-04-05T23:59:59.000Z

    The Laboratory for Laser Energetics (LLE) at the University of Rochester is proposing a collaborative effort with Lawrence Livermore National Laboratory (LLNL), Los Alamos National Laboratories (LANL), the Naval Research Laboratory (NRL), and General Atomics (GA) with the goal of developing a cryogenic polar drive (PD) ignition platform on the National Ignition Facility (NIF). The scope of this proposed project requires close discourse among theorists, experimentalists, and laser and system engineers. This document describes how this proposed project can be broken into a series of parallel independent activities that, if implemented, could deliver this goal in the 2017 timeframe. This Conceptual Design document is arranged into two sections: mission need and design requirements. Design requirements are divided into four subsystems: (1) A point design that details the necessary target specifications and laser pulse requirements; (2) The beam smoothing subsystem that describes the MultiFM 1D smoothing by spectral dispersion (SSD); (3) New optical elements that include continuous phase plates (CPP's) and distributed polarization rotators (DPR's); and (4) The cryogenic target handling and insertion subsystem, which includes the design, fabrication, testing, and deployment of a dedicated PD ignition target insertion cryostat (PD-ITIC). This document includes appendices covering: the primary criteria and functional requirements, the system design requirements, the work breakdown structure, the target point design, the experimental implementation plan, the theoretical unknowns and technical implementation risks, the estimated cost and schedule, the development plan for the DPR's, the development plan for MultiFM 1D SSD, and a list of acronym definitions. While work on the facility modifications required for PD ignition has been in progress for some time, some of the technical details required to define the specific modifications for a Conceptual Design Review (CDR) remain to be defined. In all cases, the facility modifications represent functional changes to existing systems or capabilities. The bulk of the scope yet to be identified is associated with the DPR's and MultiFM beam smoothing. Detailed development plans for these two subsystems are provided in Appendices H and I; additional discussion of subsystem requirements based on the physics of PD ignition is given in Section 3. Accordingly, LLE will work closely with LLNL to develop detailed conceptual designs for the PD-specific facility modifications, including assessments of the operational impact of implementation (e.g., changing optics for direct rather than indirect-drive illumination and swapping from a hohlraum-based ITIC to one that supports PD). Furthermore, the experimental implementation plan represents the current best understanding of the experimental campaigns required to achieve PD ignition. This plan will evolve based on the lessons learned from the National Ignition Campaign (NIC) and ongoing indirect-drive ignition experiments. The plan does not take the operational realities of the PD configuration into account; configuration planning for the proposed PD experiments is beyond the scope of this document.

  5. Drive System for Traction Applications Using 81-Level Converter

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Católica de Chile)

    of frequency converter. Keywords: vehicle power electronics, vehicle motor drives. I. INTRODUCTION Power Electronics technologies contribute with important part in the development of electric vehicles. On the otherDrive System for Traction Applications Using 81-Level Converter Juan W. Dixon, Micah E. Ortúzar

  6. Electric Drive Vehicles: A Huge New Distributed Energy Resource

    E-Print Network [OSTI]

    Firestone, Jeremy

    Electric Drive Vehicles: A Huge New Distributed Energy Resource Alec Brooks AC Propulsion, Inc. San Dimas, California www.acpropulsion.com #12;The Old and the New.. Old way of thinking: Electric vehicles are an unnecessary burden to an over- taxed electricity grid New way of thinking: Electric drive vehicles

  7. GNSS Driving Innovation in the Geospatial Industry/Community

    E-Print Network [OSTI]

    Sekercioglu, Y. Ahmet

    GNSS Driving Innovation in the Geospatial Industry/Community Don Grant Associate Professor in Geospatial Science, RMIT University GNSS Futures UNSW, Sydney, 7-8 July 2014 #12;Outline · Does my topic;So is this even the right topic? · Is GNSS driving geospatial innovation? · Or are geospatial

  8. Blood Drive Coordinator Packet Massachusetts General Hospital pg.2

    E-Print Network [OSTI]

    Mootha, Vamsi K.

    1 Blood Drive Coordinator Packet Massachusetts General Hospital pg.2 The MGH Bloodmobile pg.3 Facts about Blood Donation pg.4 Spreading the Word pg.5 Frequently Asked Questions and Tips pg.7 Schedule a Blood Drive pg.10 Eligibility Guidelines pg.11 #12;2 Massachusetts General Hospital

  9. EFFICIENCY AND SCALING OF CURRENT DRIVE AND REFUELLING

    E-Print Network [OSTI]

    Brown, Michael R.

    EFFICIENCY AND SCALING OF CURRENT DRIVE AND REFUELLING BY SPHEROMAK INJEXTIQN INTO A TOKAMAK M ABSTRACT. The first measurements of current drive (refluxing) and refuelling by spheromak injection injection, and refuelling is attributed to the rapid incorporation of the dense spheromak plasma

  10. Model Based Vehicle Tracking for Autonomous Driving in Urban Environments

    E-Print Network [OSTI]

    Model Based Vehicle Tracking for Autonomous Driving in Urban Environments Anna Petrovskaya environments. This paper describes moving vehicle tracking module that we developed for our autonomous driving in this area. DARPA has organized a series of competitions for autonomous vehicles. In 2005, autonomous

  11. Resonant driving and ksymmetry Jeroen S.W. Lamb \\Lambda

    E-Print Network [OSTI]

    Lamb, Jeroen

    Resonant driving and k­symmetry Jeroen S.W. Lamb \\Lambda Institute for Theoretical Physics--60 PACS: 0545,0220 Abstract A particular type of `resonant' periodic driving of a symmetric dynamical of the kth iterate of L, then U is called a (reversing) k­symmetry of L [9]. Along the same lines, a group

  12. Working on new gas turbine cycle for heat pump drive

    E-Print Network [OSTI]

    Oak Ridge National Laboratory

    Working on new gas turbine cycle for heat pump drive FILE COPY TAP By Irwin Stambler, Field Editor DO NOT 16 0 REMOVE 16 Small recuperated gas turbine engine, design rated at 13 hp and 27% efficiency of the cycle- as a heat pump drive for commercial installations. Company is testing prototype gas turbine

  13. A Driving Simulator for Teaching Embedded Automotive Control Applications

    E-Print Network [OSTI]

    Gillespie, Brent

    A Driving Simulator for Teaching Embedded Automotive Control Applications Paul G. Griffiths component uses a typical automotive power- train micro-controller and teaches topics in system dynamics students build a fixed-based driving simulator to test advanced automotive control system designs

  14. Tape-Drive Based Plasma Mirror

    SciTech Connect (OSTI)

    Sokollik, Thomas; Shiraishi, Satomi; Osterhoff, Jens; Evans, Eugene; Gonsalves, Anthony; Nakamura, Kei; vanTilborg, Jeroen; Lin, Chen; Toth, Csaba; Leemans, Wim

    2011-07-22T23:59:59.000Z

    We present experimental results on a tape-drive based plasma mirror which could be used for a compact coupling of a laser beam into a staged laser driven electron accelerator. This novel kind of plasma mirror is suitable for high repetition rates and for high number of laser shots. In order to design a compact, staged laser plasma based accelerator or collider [1], the coupling of the laser beam into the different stages represents one of the key issues. To limit the spatial foot print and thus to realize a high overall acceleration gradient, a concept has to be found which realizes this in-coupling within a few centimeters (cf. Fig 1). The fluence of the laser pulse several centimeters away from the acceleration stage (focus) exceeds the damage threshold of any available mirror coating. Therefore, in reference [2] a plasma mirror was suggested for this purpose. We present experiments on a tape-drive based plasma mirror which could be used to reflect the focused laser beam into the acceleration stage. Plasma mirrors composed of antireflection coated glass substrates are usually used to improve the temporal laser contrast of laser pulses by several orders of magnitudes [3,4]. This is particularly important for laser interaction with solid matter, such as ion acceleration [5,6] and high harmonic generation on surfaces [7]. Therefore, the laser pulse is weekly focused onto a substrate. The main pulse generates a plasma and is reflected at the critical surface, whereas the low intensity pre-pulse (mainly the Amplified Spontaneous Emission pedestal) will be transmitted through the substrate before the mirror has been triggered. Several publications [3,4] demonstrate a conservation of the spatial beam quality and a reflectivity of about 70 %. The drawback of this technique is the limited repetition rate since for every shot a fresh surface has to be provided. In the past years several novel approaches for high repetition rate plasma mirrors have been developed [2, 8]. Nevertheless, for the staged accelerator scheme a second important requirement has to be considered. Since the electron beam has to propagate through the mirror, the thickness of the substrate has to be as thin as possible to reduce the distortion of the electron beam. A tape of only several micrometer thickness can overcome these disadvantages. It can be used with a sufficient repetition rate while it allows the electron beam to propagate through with a minimum of scattering.

  15. EVOLUTION OF L HYBRID WAVES

    E-Print Network [OSTI]

    Karney, Charles

    is an envelope solitary wave. These solitary waves are not solitons. The occurrence of the constant phase pulses-state propagation of one of the two lower hybrid rays in a homogeneous considering the balance between thermal break up into two types of solitary waves, constant phase pulses or envelope pulses. e examine

  16. Advanced insulated gate bipolar transistor gate drive

    DOE Patents [OSTI]

    Short, James Evans (Monongahela, PA); West, Shawn Michael (West Mifflin, PA); Fabean, Robert J. (Donora, PA)

    2009-08-04T23:59:59.000Z

    A gate drive for an insulated gate bipolar transistor (IGBT) includes a control and protection module coupled to a collector terminal of the IGBT, an optical communications module coupled to the control and protection module, a power supply module coupled to the control and protection module and an output power stage module with inputs coupled to the power supply module and the control and protection module, and outputs coupled to a gate terminal and an emitter terminal of the IGBT. The optical communications module is configured to send control signals to the control and protection module. The power supply module is configured to distribute inputted power to the control and protection module. The control and protection module outputs on/off, soft turn-off and/or soft turn-on signals to the output power stage module, which, in turn, supplies a current based on the signal(s) from the control and protection module for charging or discharging an input capacitance of the IGBT.

  17. Base drive and overlap protection circuit

    DOE Patents [OSTI]

    Gritter, David J. (Southfield, MI)

    1983-01-01T23:59:59.000Z

    An inverter (34) which provides power to an A. C. machine (28) is controlled by a circuit (36) employing PWM control strategy whereby A. C. power is supplied to the machine at a preselectable frequency and preselectable voltage. This is accomplished by the technique of waveform notching in which the shapes of the notches are varied to determine the average energy content of the overall waveform. Through this arrangement, the operational efficiency of the A. C. machine is optimized. The control circuit includes a microcomputer and memory element which receive various parametric inputs and calculate optimized machine control data signals therefrom. The control data is asynchronously loaded into the inverter through an intermediate buffer (38). A base drive and overlap protection circuit is included to insure that both transistors of a complimentary pair are not conducting at the same time. In its preferred embodiment, the present invention is incorporated within an electric vehicle (10) employing a 144 VDC battery pack (32) and a three-phase induction motor (18).

  18. Advancing Plug-In Hybrid Technology and Flex Fuel Application on a Chrysler Minivan

    SciTech Connect (OSTI)

    Bazzi, Abdullah; Barnhart, Steven

    2014-12-31T23:59:59.000Z

    FCA US LLC viewed this DOE funding as a historic opportunity to begin the process of achieving required economies of scale on technologies for electric vehicles. The funding supported FCA US LLC’s light-duty electric drive vehicle and charging infrastructure-testing activities and enabled FCA US LLC to utilize the funding on advancing Plug-in Hybrid Electric Vehicle (PHEV) technologies to future programs. FCA US LLC intended to develop the next generations of electric drive and energy batteries through a properly paced convergence of standards, technology, components, and common modules, as well as first-responder training and battery recycling. To support the development of a strong, commercially viable supplier base, FCA US LLC also used this opportunity to evaluate various designated component and sub-system suppliers. The original project proposal was submitted in December 2009 and selected in January 2010. The project ended in December 2014.

  19. Field Operations Program, Toyota PRIUS Hybrid Electric Vehicle Performance Characterization Report

    SciTech Connect (OSTI)

    Francfort, James Edward; Nguyen, N.; Phung, J.; Smith, J.; Wehrey, M.

    2001-12-01T23:59:59.000Z

    The U.S. Department of Energy’s Field Operations Program evaluates advanced technology vehicles in real-world applications and environments. Advanced technology vehicles include pure electric, hybrid electric, hydrogen, and other vehicles that use emerging technologies such as fuel cells. Information generated by the Program is targeted to fleet managers and others considering the deployment of advanced technology vehicles. As part of the above activities, the Field Operations Program has initiated the testing of the Toyota Prius hybrid electric vehicle (HEV), a technology increasingly being considered for use in fleet applications. This report describes the Pomona Loop testing of the Prius, providing not only initial operational and performance information, but also a better understanding of HEV testing issues. The Pomona Loop testing includes both Urban and Freeway drive cycles, each conducted at four operating scenarios that mix minimum and maximum payloads with different auxiliary (e.g., lights, air conditioning) load levels.

  20. Electric and hybrid electric vehicles: A technology assessment based on a two-stage Delphi study

    SciTech Connect (OSTI)

    Vyas, A.D.; Ng, H.K.; Santini, D.J.; Anderson, J.L.

    1997-12-01T23:59:59.000Z

    To address the uncertainty regarding future costs and operating attributes of electric and hybrid electric vehicles, a two stage, worldwide Delphi study was conducted. Expert opinions on vehicle attributes, current state of the technology, possible advancements, costs, and market penetration potential were sought for the years 2000, 2010, and 2020. Opinions related to such critical components as batteries, electric drive systems, and hybrid vehicle engines, as well as their respective technical and economic viabilities, were also obtained. This report contains descriptions of the survey methodology, analytical approach, and results of the analysis of survey data, together with a summary of other factors that will influence the degree of market success of electric and hybrid electric vehicle technologies. Responses by industry participants, the largest fraction among all the participating groups, are compared with the overall responses. An evaluation of changes between the two Delphi stages is also summarized. An analysis of battery replacement costs for various types is summarized, and variable operating costs for electric and hybrid vehicles are compared with those of conventional vehicles. A market penetration analysis is summarized, in which projected market shares from the survey are compared with predictions of shares on the basis of two market share projection models that use the cost and physical attributes provided by the survey. Finally, projections of market shares beyond the year 2020 are developed by use of constrained logit models of market shares, statistically fitted to the survey data.

  1. Base drive circuit for a four-terminal power Darlington

    DOE Patents [OSTI]

    Lee, Fred C. (Blacksburg, VA); Carter, Roy A. (Salem, VA)

    1983-01-01T23:59:59.000Z

    A high power switching circuit which utilizes a four-terminal Darlington transistor block to improve switching speed, particularly in rapid turn-off. Two independent reverse drive currents are utilized during turn off in order to expel the minority carriers of the Darlington pair at their own charge sweep-out rate. The reverse drive current may be provided by a current transformer, the secondary of which is tapped to the base terminal of the power stage of the Darlington block. In one application, the switching circuit is used in each power switching element in a chopper-inverter drive of an electric vehicle propulsion system.

  2. Microsoft PowerPoint - 06 Crawley Drive for Net Zero Energy Commercial...

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

    6 Crawley Drive for Net Zero Energy Commercial Buildings Microsoft PowerPoint - 06 Crawley Drive for Net Zero Energy Commercial Buildings Microsoft PowerPoint - 06 Crawley Drive...

  3. Development and Verification of a Truck Driving Simulator for Driver Drowsiness Studies

    E-Print Network [OSTI]

    Vertes, Akos

    environment. The control of simulation conditions in a driving simulator allows independent study of driving) and the Modeling, Simulation and Driving Simulators (MSIS) research unit of the French National Institute Steering torque feedback

  4. Best Practices for Energy Efficient Cleanrooms Efficient HVAC Systems: Variable-Speed-Drive Chillers

    E-Print Network [OSTI]

    -Speed-Drive Chillers Tengfang Xu June 15, 2005 The project is funded by the California Energy Commission's Industrial Efficient Cleanrooms Efficient HVAC Water Systems: Variable-Speed-Drive Chillers Tengfang Xu Contents HVAC.............................................................................................. 2 Variable-Speed-Drive Chillers

  5. Algal Biofuels: Long-Term Energy Benefits Drive U.S. Research...

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

    Biofuels: Long-Term Energy Benefits Drive U.S. Research Algal Biofuels: Long-Term Energy Benefits Drive U.S. Research Algal Biofuels: Long-Term Energy Benefits Drive U.S. Research...

  6. Hybrid chirped pulse amplification system

    DOE Patents [OSTI]

    Barty, Christopher P.; Jovanovic, Igor

    2005-03-29T23:59:59.000Z

    A hybrid chirped pulse amplification system wherein a short-pulse oscillator generates an oscillator pulse. The oscillator pulse is stretched to produce a stretched oscillator seed pulse. A pump laser generates a pump laser pulse. The stretched oscillator seed pulse and the pump laser pulse are directed into an optical parametric amplifier producing an optical parametric amplifier output amplified signal pulse and an optical parametric amplifier output unconverted pump pulse. The optical parametric amplifier output amplified signal pulse and the optical parametric amplifier output laser pulse are directed into a laser amplifier producing a laser amplifier output pulse. The laser amplifier output pulse is compressed to produce a recompressed hybrid chirped pulse amplification pulse.

  7. Pallets of PV: Communities Purchase Solar and Drive Down Costs...

    Open Energy Info (EERE)

    Pallets of PV: Communities Purchase Solar and Drive Down Costs Together Home > Groups > OpenEI Community Central Graham7781's picture Submitted by Graham7781(2017) Super...

  8. Low voltage vertical recording preamplifier for hard disk drives

    E-Print Network [OSTI]

    Mellachervu, Ramachandra Murthy

    2004-11-15T23:59:59.000Z

    , with increased demand for battery powered devices such as laptops, MP3 players, personal video recorders, andmanyother wireless hand-held devices, power consumption has become an important design parameter.Furthermore, in order to continue to increase drive...

  9. adjustable electric drives: Topics by E-print Network

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

    Ogden, Joan M. 2009-01-01 48 220,000-rmin, 2-kW Permanent Magnet Motor Drive for Turbocharger Toshihiko Noguchi, Yosuke Takata * Engineering Websites Summary: -combustion...

  10. adjustable electric drive: Topics by E-print Network

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

    Ogden, Joan M. 2009-01-01 48 220,000-rmin, 2-kW Permanent Magnet Motor Drive for Turbocharger Toshihiko Noguchi, Yosuke Takata * Engineering Websites Summary: -combustion...

  11. Strain based preload measurement in drive axle pinion bearings

    E-Print Network [OSTI]

    Thomas, Anthony H., 1981-

    2005-01-01T23:59:59.000Z

    Bearing setting has a significant impact on bearing life and system performance. A strain based load measurement technique that has been previously developed and patented will be used to measure preload in automotive drive ...

  12. Drive-access transit : a regional analytical framework

    E-Print Network [OSTI]

    Sorensen, James B

    2005-01-01T23:59:59.000Z

    A framework for analyzing drive-access transit at a regional level is developed in this research. This framework is intended primarily for in-house use by regional transit agencies, yet has implications for the regional ...

  13. Driving tissue morphogenetic cascades using tunable nanolayered surface coatings

    E-Print Network [OSTI]

    Shah, Nisarg Jaydeep

    2014-01-01T23:59:59.000Z

    Harnessing the synergy between materials at the nanoscale can be a valuable tool in understanding and probing cellular phenomena and in driving specific processes that lead to tissue and organ regeneration and repair. ...

  14. Magnetically suspended reaction sphere with one-axis hysteresis drive

    E-Print Network [OSTI]

    Zhou, Lei., S.M. Massachusetts Institute of Technology

    2014-01-01T23:59:59.000Z

    This thesis presents the design, modeling, implementation, and control of a magnetically suspended reaction sphere with one-axis hysteresis drive (1D-MSRS). The goal of this project is two fold: (a) exploring the design ...

  15. Variable Frequency Motor Drives: Harmonics, Power Factor, and Energy Efficiency

    E-Print Network [OSTI]

    Massey, G. W.

    Variable frequency motor drives (VFD's) have been on the market for many years. Early versions were unreliable and prone to failure. Relatively recent developments in Pulse-Width Modulated (PWM) waveform technology have improved VFD reliability...

  16. Design of a triple singularity drive for mobile wheeled robots

    E-Print Network [OSTI]

    Carothers, Jeffrey (Jeffrey W.)

    2014-01-01T23:59:59.000Z

    This thesis encompasses the development of a mobile robotic platform using three singularity drive modules. The process begins with a review of other omnidirectional platforms, comparing and contrasting their strengths and ...

  17. High efficiency pulse motor drive for robotic propulsion

    E-Print Network [OSTI]

    Sun, Zhen, M.S. Massachusetts Institute of Technology

    2013-01-01T23:59:59.000Z

    The goal of this research is to improve the power efficiency of robotic locomotion through the use of series elastic actuation, with a focus on swimming motion. To achieve high efficiency, electromechanical drives need to ...

  18. A cloud-assisted design for autonomous driving

    E-Print Network [OSTI]

    Suresh Kumar, Swarun

    This paper presents Carcel, a cloud-assisted system for autonomous driving. Carcel enables the cloud to have access to sensor data from autonomous vehicles as well as the roadside infrastructure. The cloud assists autonomous ...

  19. Energy Department Announces $19 Million to Drive Down Solar Soft...

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

    broader SunShot Initiative investments that are driving down the cost of solar and making solar affordable for more American families and companies. Since the beginning of 2010,...

  20. Innovation incentives and competition in the hard disk drive industry

    E-Print Network [OSTI]

    Wu, Xiaohua Sherry

    2011-01-01T23:59:59.000Z

    Firms in the hard disk drive industry are continually engaging in R & D and improving the quality of their products. We explore various determinants of the product innovation incentives for firms concerned with both their ...

  1. Series Input Modular Architecture for Driving Multiple LEDs

    E-Print Network [OSTI]

    , where each cell drives four 700 mA LEDs. Keywords ­ solid-state lighting, light emitting diodes, LED have been achieved over the past decade in solid state light emitting diodes (LEDs), leading to high

  2. A Study of Adjustable Speed Drive Applications for Pumps

    E-Print Network [OSTI]

    Triezenberg, D. M.; Lakhavani, S. T.

    1983-01-01T23:59:59.000Z

    A STUDY OF ADJUSTABLE SPEED DRIVE APPLICATIONS FOR PUMPS D. M. Triezenberg and S. T. Lakhavani Westinghouse R&D Center Pittsburgh, Pennsylvania ABSTRACT We have undertaken a survey and analysis of potential ASD applications for pumps in U...

  3. Electron Bernstein wave current drive modeling in toroidal plasma confinement

    E-Print Network [OSTI]

    Decker, Joan, 1977-

    2005-01-01T23:59:59.000Z

    The steady-state confinement of tokamak plasmas in a fusion reactor requires non-inductively driven toroidal currents. Radio frequency waves in the electron cyclotron (EC) range of frequencies can drive localized currents ...

  4. Electric Drive Component Manufacturing: Magna E-Car Systems of...

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

    Magna E-Car Systems of America, Inc. Electric Drive Component Manufacturing: Magna E-Car Systems of America, Inc. ATP-LD; Cummins Next Generation Tier 2 Bin 2 Diesel Engine...

  5. Connecting the Mobile World Drive Train Developments and

    E-Print Network [OSTI]

    California at Davis, University of

    Quantity Control for Common Rail Diesel Engine in the HybridElectric Vehicles Working on the Low- load Area Permanent Magnets ­ Alternative Magnet Materials ­ Increased Efficiency in Induction and Switched Reluctance

  6. Mode conversion current drive experiments on Alcator C-Mod

    E-Print Network [OSTI]

    Parisot, Alexandre, 1979-

    2007-01-01T23:59:59.000Z

    In tokamak plasmas with multiple ion species, fast magnetosonic waves (FW) in the Ion Cyclotron Range of Frequency can mode convert to shorter wavelength modes at the Ion-Ion hybrid layer, leading to localized electron ...

  7. U.S. First Responder Safety Training for Advanced Electric Drive...

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

    U.S. First Responder Safety Training for Advanced Electric Drive Vehicle Presentation U.S. First Responder Safety Training for Advanced Electric Drive Vehicle Presentation 2010 DOE...

  8. SunLine Test Drives Hydrogen Bus: Hydrogen Fuel Cell & Infrastructure...

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

    Test Drives Hydrogen Bus: Hydrogen Fuel Cell & Infrastructure Technologies Program, Fuel Cell Bus Demonstration Projects Fact Sheet. SunLine Test Drives Hydrogen Bus: Hydrogen Fuel...

  9. Computer Aided Design Tool for Electric, Hybrid Electric and Plug-in Hybrid Electric Vehicles

    E-Print Network [OSTI]

    Eskandari Halvaii, Ali

    2012-07-16T23:59:59.000Z

    This research is focused on designing a new generation of CAD tools that could help a ”hybrid vehicle” designer with the design process to come up with better vehicle configurations. The conventional design process for any type of hybrid...

  10. Interactions between Electric-drive Vehicles and the Power Sector in California

    E-Print Network [OSTI]

    McCarthy, Ryan; Yang, Christopher; Ogden, Joan M.

    2009-01-01T23:59:59.000Z

    Battery, Hybrid and Fuel Cell Electric Vehicle SymposiumSystem. 23rd International Electric Vehicle Symposium andof Plug-In Hybrid Electric Vehicles, Volume 1: Nationwide

  11. Adjustable Speed AC Motor Drives-Applications Problems

    E-Print Network [OSTI]

    Enjeti, P.

    Adjustable Speed AC Motor Drives Applications Problems by Dr. P. Enjeti Power Quality Laboratory Department ofElectrical Engineering Texas A&M University College Station, TX 77843 Tel: 409-845-7466 Fax: 409-845-6259 Email..., it generates side effects, some which have been recognized only recently. This paper presents a comprehensive coverage of application issues of PWM inverter controlled ac motor drives which include damage to motor insulation due to reflected voltages caused...

  12. Unwinding the Spin on Variable Speed Drive Air Compressors

    E-Print Network [OSTI]

    Beals, C. E.

    2006-01-01T23:59:59.000Z

    Unwinding the Spin on Variable Speed Drive Air Compressors By Chris E. Beals, President, Air System Management, Inc Over the past several years, the variable speed drive (VSD) compressor has become a frequent choice for new compressor... purchases. The VSD compressor’s popularity is partly due to rising energy prices and its efficiency as a trim compressor. Unfortunately, much of the VSD compressor’s popularity is a result of spin applied by the marketers. For example, sales...

  13. Mechanical front wheel drive tractors: a field performance study

    E-Print Network [OSTI]

    Babacz, William Adam

    1986-01-01T23:59:59.000Z

    . . . . . . . . . . . . . . . . . . . . . . . . . Comparison of 2WD and NFWD Tractors . . . . . . . . . . . . . . . . . . Comparison of NFWD Tractors Operating in FWA and 2WO Modes III TRACTOR PERFORNANCE NONITORING SYSTEM Instrumentation System Rear Axle Torque . Front Axle Driveline Torque Front...-sized tractors and may be operated with the mechanical front wheel drive engaged in a front wheel assist (FWA) mode or disengaged in a two-wheel drive (2WD) mode. The advertised benefits of NFWD are increased traction and reduced fuel consumption. Agricultural...

  14. Validity and limitations of gas-drive relative permeability measurement

    E-Print Network [OSTI]

    Gupta, Anand Kumar

    1971-01-01T23:59:59.000Z

    VALIDITY AND LIMITATIONS OF GAS-DRIVE RELA TI VE PERMEABILITY MEASUREMEN T A Thesis by ANAND KUMAR GUPTA Submitted to the Graduate College of Texas ARM University in partial fulfillxnent of the requirement for the degree of MASTER Ok SCIENCE... August, 1971 Major Subject: Petroleum Engineering VALIDITY AND LIMITATIONS OF GAS-DRIVE RELATIVE PERMEABILITY MEASUREMENT A Thesis by ANAND KUMAR GUPTA Approved as to style and content by: ( airman of Committee) ber) Head of Department) (Member...

  15. Ultracapacitors and Batteries in Hybrid Vehicles

    SciTech Connect (OSTI)

    Pesaran, A.; Markel, T.; Zolot, M.; Sprik, S.

    2005-08-01T23:59:59.000Z

    Using an ultracapacitor in conjunction with a battery in a hybrid vehicle combines the power performance of the former with the greater energy storage capability of the latter.

  16. Hybrid extragradient proximal algorithm coupled with parametric ...

    E-Print Network [OSTI]

    Primary: 90C25, 65K05; Secondary: 49M30, 90C51. Key words and phrases. Parametric approximation; diagonal iteration; proximal point; hybrid method; global ...

  17. A verification framework for hybrid systems

    E-Print Network [OSTI]

    Mitra, Sayan

    2007-01-01T23:59:59.000Z

    Combining; discrete state transitions with differential equations, Hybrid system models provide an expressive formalism for describing software systems that interact with a physical environment. Automatically checking ...

  18. Quantifying the benefits of hybrid vehicles

    E-Print Network [OSTI]

    Turrentine, Tom; Delucchi, Mark; Heffner, Reid R.; Kurani, Kenneth S; Sun, Yongling

    2006-01-01T23:59:59.000Z

    THAT MIGHT REDUCE HYBRID IMPACT ON OIL CONSUMPTION AND GHGhave been reduced, oil consumption continues to create2010, United States VMT Oil consumption GHG 2010, California

  19. Plug-In Hybrid Electric Vehicles (Presentation)

    SciTech Connect (OSTI)

    Markel, T.

    2006-05-08T23:59:59.000Z

    Provides an overview on the current status, long-term prospects, and key challenges in the development of plug-in hybrid electric vehicle technology.

  20. Probing Compositional Variation within Hybrid Nanostructures

    E-Print Network [OSTI]

    Yuhas, Benjamin D.

    2010-01-01T23:59:59.000Z

    Charge Retention and Photocatalysis with Hybrid CdSe?Ausensing, 14,15 and photocatalysis. 16?23 In particular, the

  1. SECTION I. VIRGINIA CORN HYBRID TRIALS IN 1997. Companies Participating in the 1997 Corn Hybrid Trials

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    1 SECTION I. VIRGINIA CORN HYBRID TRIALS IN 1997. Companies Participating in the 1997 Corn Hybrid COLUMBIA PLAINVIEW TX 79072 NORTHRUP KING CO. NORTHRUP KING PO BOX 959 MINNEAPOLIS MN 55440 PIONEER HI, INC. WILSON PO BOX 391 HARLAN IA 51537 VIRGINIA CORN HYBRID TRIALS IN 1997 Coordinated by H. Behl, E

  2. Driving confidence and in-vehicle telematics : a study of technology adoption patterns of the 50+ driving population

    E-Print Network [OSTI]

    Hutchinson, Thomas E. (Thomas Ely), 1979-

    2004-01-01T23:59:59.000Z

    In-vehicle telematics is a term that encompasses a wide range of technologies, which aid the driving function through features assisting in safety and service tasks. These technologies are designed to give the operator and ...

  3. Shoring up Infrastructure Weaknesses with Hybrid Cloud Storage

    E-Print Network [OSTI]

    Chaudhuri, Surajit

    Shoring up Infrastructure Weaknesses with Hybrid Cloud Storage #12;2StorSimple White Pages: Shoring Up Infrastructure Weaknesses with Hybrid Cloud Storage Table of Contents The Hybrid Cloud Context for IT Managers ............................................................. 3 The Bottleneck of Managing Storage

  4. MODELING, VERIFICATION AND OPTIMIZATION OF HYBRID GROUND SOURCE HEAT PUMP

    E-Print Network [OSTI]

    MODELING, VERIFICATION AND OPTIMIZATION OF HYBRID GROUND SOURCE HEAT PUMP SYSTEMS IN ENERGYPLUS, VERIFICATION AND OPTIMIZATION OF HYBRID GROUND SOURCE HEAT PUMP SYSTEMS IN ENERGYPLUS Thesis Approved by: Dr.................................................................................................................... 16 MODELING OF HYBRID GROUND SOURCE HEAT PUMP SYSTEMS IN ENERGYPLUS

  5. Ultracapacitor Technologies and Application in Hybrid and Electric Vehicles

    E-Print Network [OSTI]

    Burke, Andy

    2009-01-01T23:59:59.000Z

    Power Battery for Hybrid Vehicle Applications. ProceedingsAF. Electric and Hybrid Vehicle Design and Performance.A, Thornton M. Plug-in Hybrid Vehicle Analysis. NREL/MP-540-

  6. Are Batteries Ready for Plug-in Hybrid Buyers?

    E-Print Network [OSTI]

    Axsen, Jonn; Kurani, Kenneth S; Burke, Andy

    2009-01-01T23:59:59.000Z

    M. (2006) Plug-In Hybrid Vehicle Analysis, Milestone Report,gas emissions from plug-in hybrid vehicles: Implications forPresentation at SAE 2008 Hybrid Vehicle Technologies

  7. Are batteries ready for plug-in hybrid buyers?

    E-Print Network [OSTI]

    Axsen, Jonn; Kurani, Kenneth S.; Burke, Andrew

    2008-01-01T23:59:59.000Z

    M. (2006) Plug-In Hybrid Vehicle Analysis, Milestone Report,gas emissions from plug-in hybrid vehicles: Implications forPresentation at SAE 2008 Hybrid Vehicle Technologies

  8. The impact of hybridization on morphological variation on Xiphophorus fishes 

    E-Print Network [OSTI]

    Macedo, Danielle Carter de

    2013-02-04T23:59:59.000Z

    Hybridization can produce novel phenotypic variation which may allow hybrid populations to evolve in novel directions relative to parentals. Hybridization can produce intermediate as well as extreme phenotypes with respect to the parent species...

  9. Predictive energy management for hybrid electric vehicles -Prediction horizon and

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Predictive energy management for hybrid electric vehicles - Prediction horizon and battery capacity of a combined hybrid electric vehicle. Keywords: Hybrid vehicles, Energy Management, Predictive control, Optimal predictive energy management realistic. This energy management strategy uses a dynamic programming algorithm

  10. Modelling, Simulation, Testing, and Optimization of Advanced Hybrid Vehicle Powertrains

    E-Print Network [OSTI]

    Victoria, University of

    Modelling, Simulation, Testing, and Optimization of Advanced Hybrid Vehicle Powertrains By Jeffrey of the author. #12;ii Modelling, Simulation, Testing and Optimization of Advanced Hybrid Vehicle Powertrains supplant conventional ICEs as the dominant technology, most notably electric and hybrid powertrains

  11. The impact of hybridization on morphological variation on Xiphophorus fishes

    E-Print Network [OSTI]

    Macedo, Danielle Carter de

    2013-02-04T23:59:59.000Z

    Hybridization can produce novel phenotypic variation which may allow hybrid populations to evolve in novel directions relative to parentals. Hybridization can produce intermediate as well as extreme phenotypes with respect to the parent species...

  12. Hybrid Ventilation Optimization and Control Research and Development...

    Energy Savers [EERE]

    Hybrid Ventilation Optimization and Control Research and Development Hybrid Ventilation Optimization and Control Research and Development Lead Performer: Massachusetts Institute of...

  13. Advanced, Energy-Efficient Hybrid Membrane System for Industrial...

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

    Advanced, Energy-Efficient Hybrid Membrane System for Industrial Water Reuse Advanced, Energy-Efficient Hybrid Membrane System for Industrial Water Reuse hybridmembranesystemsfa...

  14. Cold-Start Emissions Control in Hybrid Vehicles Equipped with...

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

    Emissions Control in Hybrid Vehicles Equipped with a Passive Adsorber for Hydrocarbons and NOx Cold-Start Emissions Control in Hybrid Vehicles Equipped with a Passive Adsorber for...

  15. acid hybridization assay: Topics by E-print Network

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

    the equilibrium degree of the hybridization to the bulk composition. The hybridization isotherm emerges as a Langmuir isotherm modified for electrostatic interactions within the...

  16. System Simulations of Hybrid Electric Vehicles with Focus on...

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

    of Hybrid Electric Vehicles with Focus on Emissions Comparative simulations of hybrid electric vehicles with gasoline and diesel engines will be conducted with focus on...

  17. Development of Nanofluids for Cooling Power Electronics for Hybrid...

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

    for Hybrid Electric Vehicles Development of Nanofluids for Cooling Power Electronics for Hybrid Electric Vehicles 2013 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies...

  18. Hybrid and Plug-In Electric Vehicles (Brochure), Vehicle Technologies...

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

    Hybrid and Plug-In Electric Vehicles (Brochure), Vehicle Technologies Program (VTP) Hybrid and Plug-In Electric Vehicles (Brochure), Vehicle Technologies Program (VTP) Describes...

  19. Plug-In Hybrid Electric Medium Duty Commercial Fleet Demonstration...

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

    Plug-In Hybrid Electric Medium Duty Commercial Fleet Demonstration and Evaluation Plug-In Hybrid Electric Medium Duty Commercial Fleet Demonstration and Evaluation 2011 DOE...

  20. advanced hybrid imaging: Topics by E-print Network

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

    Systems with Applications in Advanced Hybrid Electric Vehicles and Wind Farms with Battery Storage. Open Access Theses and Dissertations Summary: ??Modern hybrid electric vehicles...

  1. Enhanced Quantum Efficiency From Hybrid Cesium Halide/Copper...

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

    Quantum Efficiency From Hybrid Cesium HalideCopper Photocathode. Enhanced Quantum Efficiency From Hybrid Cesium HalideCopper Photocathode. Abstract: The quantum efficiency of Cu...

  2. NSF/DOE Thermoelectric Partnership: Inorganic-Organic Hybrid...

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

    Inorganic-Organic Hybrid Thermoelectrics NSFDOE Thermoelectric Partnership: Inorganic-Organic Hybrid Thermoelectrics 2011 DOE Hydrogen and Fuel Cells Program, and Vehicle...

  3. 2014 Annual Merit Review Results Report - Hybrid Vehicle Systems...

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

    Hybrid Vehicle Systems Technologies 2014 Annual Merit Review Results Report - Hybrid Vehicle Systems Technologies Merit review of DOE Vehicle Technologies research activities...

  4. AVTA: Idaho National Laboratory Experimental Hybrid Shuttle Bus...

    Energy Savers [EERE]

    AVTA: Idaho National Laboratory Experimental Hybrid Shuttle Bus Testing Results AVTA: Idaho National Laboratory Experimental Hybrid Shuttle Bus Testing Results The Vehicle...

  5. CTTRANSIT Operates New England's First Fuel Cell Hybrid Bus ...

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

    CTTRANSIT Operates New England's First Fuel Cell Hybrid Bus CTTRANSIT Operates New England's First Fuel Cell Hybrid Bus DOE Hydrogen Program (Fact Sheet) 42407.pdf More Documents &...

  6. 2012 Annual Merit Review Results Report - Hybrid Vehicle Systems...

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

    Hybrid Vehicle Systems Technologies 2012 Annual Merit Review Results Report - Hybrid Vehicle Systems Technologies Merit review of DOE Vehicle Technologies research activities...

  7. Plug-In Hybrid Electric Medium Duty Commercial Fleet Demonstration...

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

    arravt068vssmiyasato2011o .pdf More Documents & Publications SCAQMD:Plug-In Hybrid Electric Medium-Duty Commercial Fleet Demonstration and Evaluation Plug-In Hybrid...

  8. Chassis Dynamometer Testing of Parallel and Series Diesel Hybrid...

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

    Chassis Dynamometer Testing of Parallel and Series Diesel Hybrid Buses Chassis Dynamometer Testing of Parallel and Series Diesel Hybrid Buses Emissions and fuel economy data were...

  9. Advanced Methods Approach to Hybrid Powertrain Systems Optimization...

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

    Methods Approach to Hybrid Powertrain Systems Optimization of a Transit Bus Application Advanced Methods Approach to Hybrid Powertrain Systems Optimization of a Transit Bus...

  10. Fact #651: November 29, 2010 Hybrid Vehicles Dominate EPA's Top...

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

    ratings. However, in recent years, hybrid vehicle technology has expanded throughout the automotive industry and now the list is dominated by hybrid vehicles, many of which are...

  11. Making a Hybrid Microfluidic Platform Compatible for In Situ...

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

    a Hybrid Microfluidic Platform Compatible for In Situ Imaging by Vacuum-Based Techniques. Making a Hybrid Microfluidic Platform Compatible for In Situ Imaging by Vacuum-Based...

  12. 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...

  13. Hybrid Electric Systems: Goals, Strategies, and Top Accomplishments (Brochure)

    SciTech Connect (OSTI)

    Not Available

    2010-06-01T23:59:59.000Z

    Fact sheet describes the work EERE is doing in the areas of hybrid, plug-in hybrid, and all-electric vehicles.

  14. Development of Design and Simulation Tool for Hybrid Geothermal...

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

    Development of Design and Simulation Tool for Hybrid Geothermal Heat Pump System Development of Design and Simulation Tool for Hybrid Geothermal Heat Pump System This project will...

  15. Fact #875: June 1, 2015 Hybrid Electric Vehicle Penetration by...

    Energy Savers [EERE]

    - Dataset Fact 875: June 1, 2015 Hybrid Electric Vehicle Penetration by State, 2014 - Dataset Excel file and dataset for Hybrid Electric Vehicle Penetration by State, 2014...

  16. Texas Hydrogen Highway - Fuel Cell Hybrid Bus and Fueling Infrastructu...

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

    Hydrogen Highway - Fuel Cell Hybrid Bus and Fueling Infrastructure Technology Showcase Texas Hydrogen Highway - Fuel Cell Hybrid Bus and Fueling Infrastructure Technology Showcase...

  17. Hybrid spread spectrum radio system

    DOE Patents [OSTI]

    Smith, Stephen F. (London, TN); Dress, William B. (Camas, WA)

    2010-02-02T23:59:59.000Z

    Systems and methods are described for hybrid spread spectrum radio systems. A method includes modulating a signal by utilizing a subset of bits from a pseudo-random code generator to control an amplification circuit that provides a gain to the signal. Another method includes: modulating a signal by utilizing a subset of bits from a pseudo-random code generator to control a fast hopping frequency synthesizer; and fast frequency hopping the signal with the fast hopping frequency synthesizer, wherein multiple frequency hops occur within a single data-bit time.

  18. Compositional Variation Within Hybrid Nanostructures

    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 for4,645 3,625govInstrumentstdmadapInactiveVisiting theCommercialization and Innovation2010Compositional Variation Within Hybrid

  19. LANL debuts hybrid garbage truck

    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. DOE Office of Science (SC)Integrated Codes |Is Your Home as ReadyAppointedKyungmin Ham,work underHybrid garbage

  20. Hybrids Plus | 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 beingZealand Jump to: navigation, search OpenEIHesperia, California:Project JumpHyEnergy Systems IncCarHybrids Plus

  1. Discrete and Hybrid Nonholonomy Antonio Bicchi1

    E-Print Network [OSTI]

    Piccoli, Benedetto

    Discrete and Hybrid Nonholonomy Antonio Bicchi1 , Alessia Marigo2 , and Benedetto Piccoli3 1 Centro such as cars, trucks with trailers, rolling 3D objects, underactuated mechanisms, satellites, etc., has made of systems, allowing for discrete and hybrid (mixed continuous and discrete) configurations and transi- tions

  2. NETL's Hybrid Performance, or Hyper, facility

    ScienceCinema (OSTI)

    None

    2014-06-26T23:59:59.000Z

    NETL's Hybrid Performance, or Hyper, facility is a one-of-a-kind laboratory built to develop control strategies for the reliable operation of fuel cell/turbine hybrids and enable the simulation, design, and implementation of commercial equipment. The Hyper facility provides a unique opportunity for researchers to explore issues related to coupling fuel cell and gas turbine technologies.

  3. Hybrid Modeling of Communication Networks Using Modelica

    E-Print Network [OSTI]

    Hespanha, João Pedro

    Hybrid Modeling of Communication Networks Using Modelica Daniel F¨arnqvist, Katrin Strandemar, Karl is to describe initial work on modeling packet-switched communication network us- ing Modelica [1], [8], which that the hybrid model is suitable for Modelica. More- over, we show that the model can then be efficiently simu

  4. The inverter in a hybrid or fully

    E-Print Network [OSTI]

    Davies, Christopher

    The inverter in a hybrid or fully electric vehicle, such as the Toyota Prius, supplies power from Semiconductor (MOS), IGBT and diode devices, for applications in hybrid vehicles and portable power supplies of renewable energy systems, sustainable transport and many other applications. The area of power electronics

  5. Exotic hybrid mesons with light quarks

    E-Print Network [OSTI]

    Claude Bernard; Tom Blum; Thomas A. DeGrand; Carleton DeTar; Steven Gottlieb; Urs. M. Heller; Jim Hetrick; Craig McNeile; Kari Rummukainen; Bob Sugar; Doug Toussaint; Matt Wingate

    1996-07-12T23:59:59.000Z

    Hybrid mesons, made from a quark, an antiquark and gluons, can have quantum numbers inaccessible to conventional quark-antiquark states. Confirmation of such states would give information on the role of "dynamical" color in low energy QCD. We present preliminary results for hybrid meson masses using light Wilson valence quarks.

  6. Implementation Hybrid Trace Verifier (HTV) implements our

    E-Print Network [OSTI]

    Liberzon, Daniel

    to larger problems. References [1] S. Mitra. A Verification Framework for Hybrid Systems. PhD thesis. [3] A. Fehnker and F. Ivaneie. Benchmarks for hybrid systems verification. HSCC, 2993, 2004. A satellite maneuver system. 3. A version of room heating benchmark. 4. An engine control system

  7. NETL's Hybrid Performance, or Hyper, facility

    SciTech Connect (OSTI)

    None

    2013-06-12T23:59:59.000Z

    NETL's Hybrid Performance, or Hyper, facility is a one-of-a-kind laboratory built to develop control strategies for the reliable operation of fuel cell/turbine hybrids and enable the simulation, design, and implementation of commercial equipment. The Hyper facility provides a unique opportunity for researchers to explore issues related to coupling fuel cell and gas turbine technologies.

  8. Designing Effective Incentives to Drive Residential Retrofit Program Participation (Text Version)

    Broader source: Energy.gov [DOE]

    Transcript of the webinar, "Designing Effective Incentives to Drive Residential Retrofit Program Participation."

  9. Computer-Aided Engineering for Electric Drive Vehicle Batteries (CAEBAT) (Presentation)

    SciTech Connect (OSTI)

    Pesaran, A. A.

    2011-05-01T23:59:59.000Z

    This presentation describes NREL's computer aided engineering program for electric drive vehicle batteries.

  10. Overview of Transport, Fast Particle and Heating and Current Drive Physics using Tritium in JET plasmas

    E-Print Network [OSTI]

    Overview of Transport, Fast Particle and Heating and Current Drive Physics using Tritium in JET plasmas

  11. Overview of Transport, Fast Particle and Heating and Current Drive Physics using Tritium in JET Plasmas

    E-Print Network [OSTI]

    Overview of Transport, Fast Particle and Heating and Current Drive Physics using Tritium in JET Plasmas

  12. Cancellation of TorqueRipple Due to Nonidealitiesof PermanentMagnet SynchronousMachine Drives

    E-Print Network [OSTI]

    Chapman, Patrick

    -magnet synchronous application than the predecessors. Further, the technique is machine (PMSM) drives dictates

  13. Space and power efficient hybrid counters array

    DOE Patents [OSTI]

    Gara, Alan G. (Mount Kisco, NY); Salapura, Valentina (Chappaqua, NY)

    2010-03-30T23:59:59.000Z

    A hybrid counter array device for counting events. The hybrid counter array includes a first counter portion comprising N counter devices, each counter device for receiving signals representing occurrences of events from an event source and providing a first count value corresponding to a lower order bits of the hybrid counter array. The hybrid counter array includes a second counter portion comprising a memory array device having N addressable memory locations in correspondence with the N counter devices, each addressable memory location for storing a second count value representing higher order bits of the hybrid counter array. A control device monitors each of the N counter devices of the first counter portion and initiates updating a value of a corresponding second count value stored at the corresponding addressable memory location in the second counter portion. Thus, a combination of the first and second count values provide an instantaneous measure of number of events received.

  14. Named Models in Coalgebraic Hybrid Logic

    E-Print Network [OSTI]

    Schroeder, Lutz

    2010-01-01T23:59:59.000Z

    Hybrid logic extends modal logic with support for reasoning about individual states, designated by so-called nominals. We study hybrid logic in the broad context of coalgebraic semantics, where Kripke frames are replaced with coalgebras for a given functor, thus covering a wide range of reasoning principles including, e.g., probabilistic, graded, default, or coalitional operators. Specifically, we establish generic criteria for a given coalgebraic hybrid logic to admit named canonical models, with ensuing completeness proofs for pure extensions on the one hand, and for an extended hybrid language with local binding on the other. We instantiate our framework with a number of examples. Notably, we prove completeness of graded hybrid logic with local binding.

  15. Space and power efficient hybrid counters array

    DOE Patents [OSTI]

    Gara, Alan G. (Mount Kisco, NY); Salapura, Valentina (Chappaqua, NY)

    2009-05-12T23:59:59.000Z

    A hybrid counter array device for counting events. The hybrid counter array includes a first counter portion comprising N counter devices, each counter device for receiving signals representing occurrences of events from an event source and providing a first count value corresponding to a lower order bits of the hybrid counter array. The hybrid counter array includes a second counter portion comprising a memory array device having N addressable memory locations in correspondence with the N counter devices, each addressable memory location for storing a second count value representing higher order bits of the hybrid counter array. A control device monitors each of the N counter devices of the first counter portion and initiates updating a value of a corresponding second count value stored at the corresponding addressable memory location in the second counter portion. Thus, a combination of the first and second count values provide an instantaneous measure of number of events received.

  16. Ultra-thin microporous/hybrid materials

    DOE Patents [OSTI]

    Jiang, Ying-Bing (Albuquerque, NM); Cecchi, Joseph L. (Albuquerque, NM); Brinker, C. Jeffrey (Albuquerque, NM)

    2012-05-29T23:59:59.000Z

    Ultra-thin hybrid and/or microporous materials and methods for their fabrication are provided. In one embodiment, the exemplary hybrid membranes can be formed including successive surface activation and reaction steps on a porous support that is patterned or non-patterned. The surface activation can be performed using remote plasma exposure to locally activate the exterior surfaces of porous support. Organic/inorganic hybrid precursors such as organometallic silane precursors can be condensed on the locally activated exterior surfaces, whereby ALD reactions can then take place between the condensed hybrid precursors and a reactant. Various embodiments can also include an intermittent replacement of ALD precursors during the membrane formation so as to enhance the hybrid molecular network of the membranes.

  17. Simulation of Phase Stability at the Flat Top of the CLIC Drive Beam

    E-Print Network [OSTI]

    Gerbershagen, A; Burrows, P

    2011-01-01T23:59:59.000Z

    The drive beam phase stability is one of the critical issues of the Compact Linear Collider (CLIC). In this paper the generation and propagation of drive beam phase errors is studied for effects that vary during the drive beam pulse. This includes the influence of drive beam current and phase errors as well as of drive beam accelerator RF phase and amplitude errors on the drive beam phase after the compressor chicanes and the analysis of the propagation of these errors through the drive beam combination scheme. The impact of the imperfections on the main beam is studied including the possible correction with help of a feedforward system.

  18. Hybridization and Selective Release of DNA Microarrays

    SciTech Connect (OSTI)

    Beer, N R; Baker, B; Piggott, T; Maberry, S; Hara, C M; DeOtte, J; Benett, W; Mukerjee, E; Dzenitis, J; Wheeler, E K

    2011-11-29T23:59:59.000Z

    DNA microarrays contain sequence specific probes arrayed in distinct spots numbering from 10,000 to over 1,000,000, depending on the platform. This tremendous degree of multiplexing gives microarrays great potential for environmental background sampling, broad-spectrum clinical monitoring, and continuous biological threat detection. In practice, their use in these applications is not common due to limited information content, long processing times, and high cost. The work focused on characterizing the phenomena of microarray hybridization and selective release that will allow these limitations to be addressed. This will revolutionize the ways that microarrays can be used for LLNL's Global Security missions. The goals of this project were two-fold: automated faster hybridizations and selective release of hybridized features. The first study area involves hybridization kinetics and mass-transfer effects. the standard hybridization protocol uses an overnight incubation to achieve the best possible signal for any sample type, as well as for convenience in manual processing. There is potential to significantly shorten this time based on better understanding and control of the rate-limiting processes and knowledge of the progress of the hybridization. In the hybridization work, a custom microarray flow cell was used to manipulate the chemical and thermal environment of the array and autonomously image the changes over time during hybridization. The second study area is selective release. Microarrays easily generate hybridization patterns and signatures, but there is still an unmet need for methodologies enabling rapid and selective analysis of these patterns and signatures. Detailed analysis of individual spots by subsequent sequencing could potentially yield significant information for rapidly mutating and emerging (or deliberately engineered) pathogens. In the selective release work, optical energy deposition with coherent light quickly provides the thermal energy to single spots to release hybridized DNA. This work leverages LLNL expertise in optics, microfluids, and bioinformatics.

  19. The Wavedriver integrated drive and charger system for electric buses

    SciTech Connect (OSTI)

    Shemmans, D.J.; Green, R.M. [Wavedriver Ltd. (United Kingdom)

    1994-12-31T23:59:59.000Z

    Electric propulsion presents a realistic economic alternative to hydro-carbon fuelled passenger transport. Progress continues to reduce the major cost element - the battery - but other expensive systems, on-board and off-board, are still needed for an electric bus to function. The power conversion systems can be improved considerably, and this paper describes the Wavedriver combined field oriented AC motor drive and high rate charger. The field-oriented control gives high performance as a traction drive, and similar vector control strategies are used for the charging processes; advanced fabrication methods realise low costs. By using the drive system components for charging, the off-board electrical infrastructure components are extremely simple and cost-effective, meaning that opportunistic recharging at convenient locations around a route is feasible. This means that the on-board battery can be optimally sized, without restricting the service range, while reducing capital costs. 4 refs.

  20. Simulations of Plug-in Hybrid Vehicles Using Advanced Lithium Batteries and Ultracapacitors on Various Driving Cycles

    E-Print Network [OSTI]

    Burke, Andy; Zhao, Hengbing

    2010-01-01T23:59:59.000Z

    capability and thus regenerative braking performancecapability and thus regenerative braking performanceaccept all the regenerative braking energy. This paper is