Relevant bibliographies by topics / Electric Vehicle Propulsion System

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Academic literature on the topic 'Electric Vehicle Propulsion System'

Author: Grafiati
Published: 9 March 2023

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Journal articles on the topic "Electric Vehicle Propulsion System"

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Ma, Yiyuan, Wei Zhang, Xingyu Zhang, Xiaobin Zhang, Yuelong Ma, and Zhanpeng Guo. "Primary parameters design method for distributed electric propulsion unmanned aerial vehicle." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 39, no. 1 (February 2021): 27–36. http://dx.doi.org/10.1051/jnwpu/20213910027.

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Distributed electric propulsion technology brings new ideas to the design of unmanned aerial vehicle(UAV), such as improving aerodynamic efficiency and propulsive efficiency, and new concept of vertical/short takeoff and landing configurations. However, compared with conventional UAV, the propulsion system of distributed electric propulsion UAV is more complex, which brings difficulties and challenges to the design of distributed electric propulsion UAV. Based on its special aerodynamic/propulsive coupling characteristics, this paper studies the design method and process of primary parameters of distributed electric propulsion UAV. A short takeoff and landing UAV with distributed electric propulsion system is taken as an example for the conceptual design and primary parameter design, and the influence of design parameters on the takeoff mass and endurance is analyzed. Finally, the validity of the established design method is verified by the flight test of the prototype. Results indicate that the distributed electric propulsion system accounts for more than 20% of the takeoff mass; the electric ducted fan efficiency, mass specific power of the motor, mass specific power of the electronic speed controller and the resistivity of power wires are the most significant design parameters that affect the performance of the UAV; with the improvement of technologies, the takeoff mass is expected to be reduced by more than 20%, and the endurance is expected to be increased by more than three times.
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Akhdan Fadhil, Muhammad, Romie Oktovianus Bura, Gita Amperiawan, and Sovian Aritonang. "TECHNOLOGY OF PROPULSION SYSTEM FOR UNMANNED COMBAT AERIAL VEHICLE (UCAV) – A REVIEW." International Journal of Education and Social Science Research 05, no. 03 (2022): 88–107. http://dx.doi.org/10.37500/ijessr.2022.5306.

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Unmanned Combat Aerial Vehicle (UCAV) is an unmanned aerial vehicle (UAV) that is used for intelligence, surveillance, target acquisition, and reconnaissance and carries aircraft ordnance such as missiles, ATGMs, and/or bombs in hardpoints for drone strikes. These drones are usually under realtime human control, with varying levels of autonomy. Unlike unmanned surveillance and reconnaissance aerial vehicles, UCAVs are used for both drone strikes and battlefield intelligence. Unmanned Combat Aerial Vehicle (UCAV) propulsion technology is significantly related to the flight performance of UCAVs, which has become one of the most important development directions of aviation. It should be noted that UCAVs have three types of propulsion systems, namely the fuel, hybrid fuel-electric, and pure electric, respectively. This paper presents and discusses the classification, working principles, characteristics, and critical technologies of these three types of propulsion systems. It is helpful to establish the development framework of the UCAV propulsion system and provide the essential information on electric propulsion UCAVs. Additionally, future technologies and development, including the high-power density motors, converters, power supplies, are discussed for the electric propulsion UCAVs. In the near future, the electric propulsion system would be widely used in UCAVs. The high-power density system would become the development trend of electric UCAVs. Thus, this review article provides comprehensive views and multiple comparisons of propulsion systems for UCAVs.
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Katic, Vladimir, Boris Dumnic, Zoltan Corba, and Dragan Milicevic. "Electrification of the vehicle propulsion system: An overview." Facta universitatis - series: Electronics and Energetics 27, no. 2 (2014): 299–316. http://dx.doi.org/10.2298/fuee1402299k.

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To achieve EU targets for 2020, internal combustion engine cars need to be gradually replaced with hybrid or electric ones, which have low or zero GHG emission. The paper presents a short overview of dynamic history of the electric vehicles, which led to nowadays modern solutions. Different possibilities for the electric power system realizations are described. Electric vehicle (EV) operation is analyzed in more details. Market future of EVs is discussed and plans for 2020, up to 2030 are presented. Other effects of electrification of the vehicles are also analyzed.
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Cossalter, Vittore, Alberto Doria, Marco Ferrari, Enrico Giolo, Nicola Bianchi, Claudio Martignoni, and Fabio Bovi. "Design of a hybrid propulsion system for a three wheeled bicycle." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 34, no. 1 (January 5, 2015): 189–209. http://dx.doi.org/10.1108/compel-11-2013-0372.

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Purpose – Velomobiles or bicycles cars are human-powered vehicles, enclosed for improving aerodynamic performance and protection from weather and collisions. The purpose of this paper is to design and develop a three-wheeled velomobile equipped with a hybrid human-electric propulsion system. Design/methodology/approach – The mechanical layout has been developed in order to improve safety, a CAD code has been used for the design and the dynamic performances have been studied by means of specific multi-body codes. The electric propulsion system has been designed both with analytical and FEM methods. Findings – A special three-wheeled tilting vehicle layout equipped with a four-bar linkage connection has been developed. A particular synchronous reluctance machine has been developed, which is very suitable for human-electric hybrid propulsion. A MATLAB code for integrated mechanical and electrical analysis has been developed. Originality/value – A new kind of light vehicle has been conceived. A new synchronous reluctance machine with high efficiency has been developed. A performance analysis in electric, human and hybrid working modes has been presented, which takes into account the specific features of both the electric motor and the pedaling legs. A prototype of the vehicle has been built.
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Kost, Gabriel, and Andrzej Nierychlok. "Virtual Driver of Hybrid Wheeled Vehicle." Solid State Phenomena 180 (November 2011): 39–45. http://dx.doi.org/10.4028/www.scientific.net/ssp.180.39.

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This paper presents the application of wheeled vehicle based on a hybrid propulsion system. Describes control system structure and communication between different units of propulsion, intermediary devices and the fundamental issues of building such a network. Virtual propulsion of a wheeled vehicle hybrid drive designed for parallel connection structure of the drive units. This enabled the propulsion work more efficiently through the synergy of energy units – ICE and electric motor, and allowed ICE unit turn off in built-up areas. In the presented research results can be seen as a great contribution to the work of the propulsion system has an internal combustion engine, which not only drives the electric generator, but also a wheeled vehicles.
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Rizzo, Gianfranco, Shayesteh Naghinajad, Francesco Tiano, and Matteo Marino. "A Survey on Through-the-Road Hybrid Electric Vehicles." Electronics 9, no. 5 (May 25, 2020): 879. http://dx.doi.org/10.3390/electronics9050879.

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Hybrid Electric Vehicles (HEVs) can be divided into three categories according to how the two propulsion systems (the thermal and the electric ones) supply the driving torque to the vehicle. When the torque is supplied only by an electric propulsion system, while the heat engine takes care of generating the electricity needed to operate the system, it is called a hybrid-series. Conversely, when both propulsion systems provide torque, the vehicle is identified with parallel hybrid wording. Among the parallel hybrids there is a particular configuration called Through-the-Road (TTR). In this configuration, the two propulsion systems are not mechanically connected to each other, but it is precisely the road that allows hybrid propulsion. This architecture, dating back to the early twentieth century, is still used by several manufacturers and carries with it peculiar configurations and control methods. It is also a configuration that fits well with the transformation of conventional vehicles into a hybrid. The paper presents a survey of the TTR HEV solution, evidencing applications, potentialities and limits.
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Tarulescu, Radu, Stelian Tarulescu, Cristian Leahu, and Marius Olaru. "Photovoltaic system for E-Smart electric vehicle." IOP Conference Series: Materials Science and Engineering 1220, no. 1 (January 1, 2022): 012009. http://dx.doi.org/10.1088/1757-899x/1220/1/012009.

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Abstract The vehicles relied on fossil fuels are rapidly being replaced by electric and plug-in hybrid vehicles. But these types of vehicles are still faced with the problem of energy availability. The abundance of solar radiation and its use as the power source in electric vehicles is a necessary condition for environmental pollution limitation. In this study, the authors present photovoltaic systems used as an electricity supply for E-Smart electric vehicles. E-Smart is an electric vehicle obtained through conversion, of a Smart ForTwo City vehicle, from the internal combustion propulsion system to a system that uses a three-phase asynchronous motor supplied from a pack of 32 batteries of LiFePO4 type.
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Jones, W. D., and A. R. Fletcher. "Electric Drives on the LV100 Gas Turbine Engine." Journal of Engineering for Gas Turbines and Power 116, no. 2 (April 1, 1994): 411–17. http://dx.doi.org/10.1115/1.2906836.

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The LV100 gas turbine engine is being developed for U.S. Army ground vehicle use. A unique approach for controls and accessories is being used whereby the engine has no accessory gearbox. Instead a high-speed starter/generator is mounted directly on the compressor shaft and powers all engine accessories as well as supplies the basic electrical power needs of the vehicle. This paper discusses the evolution of the electrically driven LV100 accessory system starting with the Advanced Integrated Propulsion System (AIPS) demonstrator program, through the current system to future possibilities with electric vehicle propulsion. Issues in electrical vehicle propulsion are discussed including machine type, electrical power type, and operation with a gas turbine.
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Wang, S., JT Economou, and A. Tsourdos. "Indirect engine sizing via distributed hybrid-electric unmanned aerial vehicle state-of-charge-based parametrisation criteria." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 233, no. 14 (April 29, 2019): 5360–68. http://dx.doi.org/10.1177/0954410019843722.

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This paper presents a design process for the challenging problem of sizing the engine pack for a distributed series hybrid-electric propulsion system of unmanned aerial vehicle. Sizing the propulsion system for hybrid-electric unmanned aerial vehicles is a demanding problem because of the two different categories of propulsion (the engine and the motor), and the electrical system characteristics. Furthermore, what adds to the difficulty is that the internal combustion engine does not directly drive the propellers, but it is connected to an electrical generator and therefore provides electrical power to the electric motors and propellers. Hence there is a clear distinction from the traditional engine solutions which are mechanically coupled to the propeller. This paper addresses this specific distinction and proposes an indirect solution based on properties on the electrical part of the system. In particular, a novel parametric characterisation engine sizing approach is presented using the battery pack state-of-charge during a realistic unmanned aerial vehicle flight scenario. Five candidate engine options were considered with different starting conditions for the electrical system. The results show that by using the state-of-charge properties it is possible to select an appropriate size of engine pack while carrying a suitable electrical propulsion pack. However, the solutions are not unique and are appropriate for given design criteria clearly indicated in the paper.
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Quandt, C. O. "Manufacturing the Electric Vehicle: A Window of Technological Opportunity for Southern California." Environment and Planning A: Economy and Space 27, no. 6 (June 1995): 835–62. http://dx.doi.org/10.1068/a270835.

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The California Air Resources Board has mandated that by 1998 2% of new vehicles sold in California must be zero emission, effectively, electric vehicles. This requirement is largely responsible for the electric vehicle development programs run by almost every global automobile manufacturer that does business in the United States. At present, no single electric vehicle technology, from battery type, to propulsion system, to vehicle design, represents a standard for a protoelectric vehicle industry. In this paper competing electric vehicle technologies are reviewed, leading public and private electric vehicle research programs worldwide are summarized, and the barriers faced by competing technological systems in terms of manufacturing and infrastructural requirements are examined.
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Dissertations / Theses on the topic "Electric Vehicle Propulsion System"

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Keshri, Ritesh Kumar. "Electric Vehicle Propulsion System." Doctoral thesis, Università degli studi di Padova, 2014. http://hdl.handle.net/11577/3423806.

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Electric vehicles are being considered as one of the pillar of eco-friendly solutions to overcome the problem of global pollution and radiations due to greenhouse gases. Present thesis work reports the improvement in overall performance of the propulsion system of an electric vehicle by improving autonomy and torque-speed characteristic. Electric vehicle propulsion system consists of supply and traction system, and are coordinated by the monitoring & control system. Case of light electric vehicle propulsion system with permanent-magnet (PM) brushless dc (BLDC) drive being used in electric scooters and electric-mini cars is considered for analytical study and the implementation of the proposed solutions. PM BLDC motor and voltage source inverter are considered as a part of traction system and electric energy source such as battery, fuel cell or photovoltaic panel are considered as a part of supply system. Available electric energy sources are capable of delivering higher current at lower terminal voltage, so are connected either in series or -more often- to the higher voltage dc-link through a circuital arrangement (boost topology) to achieve higher voltage. For the evaluation of boost topologies, traditional dc-to-dc boost converter with cascade VSI (DBI) and Z-source inverter (ZSI) are considered for fuel cell and battery as on-board energy sources. Evaluation of the convenience of the two supply topologies is carried out in terms of the factors defining transistor power utilization, and voltage and current transistor solicitation. In addition to mentioned defined factors, sizing of the passive components in terms of the power contribution factor of fuel cell is considered. In respect to the defined factors, DBI supply is found to be beneficial for PM BLDC drive whereas, with respect to the power contribution factor, ZSI supply is good to adopt for the cases were major contribution of power is from battery. For the improvement in torque-speed characteristics of the considered drive, issue of torque ripple due to non-ideal phase commutation in case of conventional square-wave phase current (SqPC) supply is studied analytically by establishing a correlation between the behavior of the commutating phase currents and motor torque. Behavior of the motor torque during commutation for low and high speed zone as a function motor speed and defined motor specific quantity are explained in detailed. The analytical results are used to explain the dropping torque-speed characteristic of the drive and are verified experimentally for a propulsion drive available in the laboratory. Dropping torque-speed characteristic limits the use of the drive up till the nominal speed. To overcome this issue sinusoidal phase current (SPC) supply is proposed. SPC offers constant motor torque. A detailed convenience analysis of SPC over SqPC is carried out. Strategy for the implementation of SPC supply is also discussed and the analytical results were verified by the experimentally. The study of the PM BLDC drive by means of the space phasor/vector approach has been executed. While such an approach is quite common for drives with motors with sinusoidal back-emf and phase currents, it is not explored in the literature for the present case, where back-emfs are trapezoidal and phase currents are square-wave in nature. Behavior of the PM BLDC drive has been revisited in stationary plane and the current commutation between the motor phases has been explained with the help of phase variable vectors. All the results obtained in a-b-c plane are cross verified in stationary plane showing the simplicity and potentialities of the vector approach for PM BLDC drive. To address the issue of the autonomy of electric vehicles, use of solar energy to assist the on-board batteries of an electric mini-car is considered. Photovoltaic Geographical Information Systems database provided by Joint Research Centre Europe, is used to estimate the solar irradiance available in Padova, Italy. Output of a 0.487 sq-meter, 20-cell multi-crystalline PV panel is estimated and accordingly a conventional dc-to-dc boost converter is designed to interface PV panel with dc-link of a mini-car available in the laboratory. Appropriate control is implemented through DSP to track maximum power point. Whole system was tested outside the laboratory and measurements were carried out. Analytical loss model of the dc-to-dc boost converter is developed to explain the variations in gain, efficiency and loss components of the converter under varying solar irradiance. The thesis work has been carried out at the Laboratory of “Electric systems for automation and automotive” headed by Prof. Giuseppe Buja. The laboratory belongs to the Department of Industrial Engineering of the University of Padova
I veicoli elettrici sono considerati uno dei pilastri tra le soluzioni ecosostenibili per superare il problema dell’inquinamento globale dovuto ai gas serra. Questo lavoro di tesi tratta del miglioramento delle prestazioni complessive di un sistema di propulsione di un veicolo elettrico mediante l’aumento dell’autonomia e della caratteristica coppia-velocità. Il sistema di propulsione di un veicolo elettrico consiste in un sistema di alimentazione e di un sistema di trazione, coordinati da un sistema di monitoraggio e controllo. Lo studio analitico e l’implementazione della soluzione proposta per il sistema di propulsione sono stati svolti con riferimento ad un motore brushless a magneti permanenti con fem trapezoidale (PM BLDC), utilizzato comunemente in veicoli elettrici leggeri come gli scooter e le mini-car. Il sistema di propulsione è costituito dal motore PM BLDC e dall’invertitore di tensione, mentre il sistema di alimentazione è formato da sorgenti energia elettrica come le batterie, le celle a combustibile o i pannelli fotovoltaici. Le sorgenti di energia elettrica disponibili sul mercato consentono di raggiungere elevati valori di corrente ma con bassi valori di tensione. Al fine di ottenere i valori di tensioni richiesti dal bus in continua, esse sono collegate in serie tra loro o sono connesse mediante convertitori innalzatori di tensione. Ciò può avvenire o attraverso un tradizionale convertitore dc/dc innalzatore con in cascata un invertitore di tensione (DBI) o attraverso un invertitore di tipo Z-source (ZSI). La valutazione di convenienza delle due modalità di alimentazione è basata sul fattore di utilizzazione e sulle sollecitazioni in termini di corrente e tensione dei transistor di potenza. Oltre ai fattori menzionati in precedenza, sono stati dimensionati gli elementi passivi in funzione della quota parte di potenza fornita dalla cella a combustibile. In relazione ai parametri definiti, la migliore soluzione risulta essere l’alimentazione con DBI, mentre quella con ZSI appare conveniente quando la maggior parte della potenza assorbita dal carico sia fornita dalle batterie. Al fine di migliorare le prestazioni di coppia, il ripple di coppia dovuto alla non ideale commutazione del convertitore ad onda quadra (SqPC) è stato studiato analiticamente, stabilendo la correlazione tra le correnti durante la fase di commutazione e la coppia del motore. Il comportamento di coppia a basse ed ad alte velocità è stato esaminato in dettaglio utilizzando specifiche grandezze del motore. I risultati analitici sono stati utilizzati per spiegare la caduta della coppia sviluppata dal motore ad alte velocità; essi sono stati verificati sperimentalmente su un azionamento di propulsione disponibile in laboratorio. La non costanza della caratteristica coppia-velocità limita l’uso del motore nei pressi della velocità nominale. Per superare questo limite è stata altresi utilizzata un’alimentazione con corrente sinusoidale (SPC). Essa permette di fornire al motore una coppia costante. E’ stata quindi eseguita un’analisi dettagliata al fine di vedere quale sia il metodo di alimentazione più conveniente tra SqPC e SPC. È stata altresì descritta la strategia d’implementazione dell’alimentazione SPC, e i risultati analitici sono stati verificati sperimentalmente. E’ stato eseguito lo studio degli azionamenti con motori PM BLDC con l’approccio dei fasori spaziali. Mentre questo approccio è abbastanza comune nel caso di azionamenti con motori con forza contro-elettromotrice e correnti di sinusoidali, esso non è trattato in letteratura per gli azionamenti con motori PM BLDC, in quanto la forza contro-elettromotrice è trapezoidale e il profilo delle correnti di fase è un onda quadra. Il comportamento del motore PM BLDC è stato rivisitato sul piano stazionario e la commutazione della corrente tra le fasi è stata descritta con l’ausilio dei vettori delle grandezze di fase. Tutti i risultati ottenuti nel piano a-b-c sono stati verificati nel piano stazionario, mostrando la semplicità e le potenzialità dell’approccio vettoriale. Al fine di estendere l’autonomia del veicolo sono stati utilizzati dei pannelli fotovoltaici. Il Sistema Geografico di Informazioni Fotovoltaico sviluppato dal Joint Research Center Europe è stato utilizzato per stimare il valore d’irraggiamento solare disponibile a Padova. È stata stimata la potenza generata da un pannello fotovoltaico di superficie 0.487 m2, formato da 20 celle multi-cristalline, e in relazione ad essa, è stato progettato il convertitore dc-dc elevatore per interfacciare il pannello fotovoltaico al bus in continua di una mini-car disponibile in laboratorio. Un appropriato controllo è stato implementato in un processore DSP al fine di inseguire il punto di massima potenza. L’intero sistema è stato provato all’esterno del laboratorio, facendo le misure necessarie per le verifiche. Un modello analitico delle perdite del convertitore dc-dc elevatore è stato sviluppato per descrivere la variazione di guadagno, rendimento e perdite del convertitore al variare dell’irraggiamento solare. Il lavoro di tesi è stato sviluppato presso il Laboratorio di “Sistemi elettrici per l’automazione e la veicolistica” diretto dal Prof. Giuseppe Buja. Il laboratorio afferisce al Dipartimento di Ingegneria Industriale dell’Università di Padova
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Lundin, Johan. "Flywheel in an all-electric propulsion system." Licentiate thesis, Uppsala universitet, Elektricitetslära, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-222030.

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Energy storage is a crucial condition for both transportation purposes and for the use of electricity. Flywheels can be used as actual energy storage but also as power handling device. Their high power capacity compared to other means of storing electric energy makes them very convenient for smoothing power transients. These occur frequently in vehicles but also in the electric grid. In both these areas there is a lot to gain by reducing the power transients and irregularities. The research conducted at Uppsala university and described in this thesis is focused on an all-electric propulsion system based on an electric flywheel with double stator windings. The flywheel is inserted in between the main energy storage (assumed to be a battery) and the traction motor in an electric vehicle. This system has been evaluated by simulations in a Matlab model, comparing two otherwise identical drivelines, one with and one without a flywheel. The flywheel is shown to have several advantages for an all-electric propulsion system for a vehicle. The maximum power from the battery decreases more than ten times as the flywheel absorbs and supplies all the high power fluxes occuring at acceleration and braking. The battery delivers a low and almost constant power to the flywheel. The amount of batteries needed decreases whereas the battery lifetime and efficiency increases. Another benefit the flywheel configuration brings is a higher energy efficiency and hence less need for cooling. The model has also been used to evaluate the flywheel functionality for an electric grid application. The power from renewable intermittent energy sources such as wave, wind and current power can be smoothened by the flywheel, making these energy sources more efficient and thereby competitive with a remaining high power quality in the electric grid.
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Ren, Zhongling. "Optimization Methods for Hybrid Electric Vehicle Propulsion System." Thesis, KTH, Energiteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235932.

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Design of hybrid vehicles is a hot topic because of the strict restriction on the emissions of the vehicle. The optimal design of hybrid vehicles becomes necessary to reduce the cost or emissions of the vehicle. The propulsion system of a hybrid electric vehicle is inherently more complex than that of a conventional vehicle as an electric power supply branch is added. The design involves topology design, component design and control design, where all phases are interrelated. The idea to handle all the three design phases together is called system level design. Due to its complexity, it is not possible time wise to evaluate all possible design options. Optimization algorithms are therefore needed to speed up the process. The variable types that appear in each design phase are different and multiple algorithms are needed. In this thesis, different algorithms are studied for their robustness for both continuous variables and discrete variables, as well as benchmarked for the Volvo internal optimization platform afterwards. Standard test cases are used to validate the algorithms and several features are added to an algorithm to make it more generic and efficient. Based on theoretical and experimental studies, recommendations for the selection of algorithms are proposed based on different types of variables.Based on the optimization platform, several different optimization coordination architectures for system level design are introduced and simultaneous and nested coordination architectures are tested by one specific industrial case in the second part of the thesis. Both methods appeared to be promising according to the result of the test case and they managed to reduce the convergence time dramatically. The vehicle model used was not precise enough to prove which method is the superior one but a more precise model can be introduced in the future to facilitate such a conclusion.
Hybridfordon är ett aktuellt ämne, på grund av den strikta regleringen gällande fordonsutsläpp. Den optimala designen av hybridfordon är nödvändig för att reducera kostnaden eller utsläppen. Motorsystemet hos ett elektriskt hybridfordon blir mer komplicerat än det hos ett konventionellt fordon, eftersom man måste ta hänsyn till försörjningen av elektrisk energi. Designprocessen involverar design av topologi, design av komponenter samt design av kontrollsystem. Idéen om att sammanfoga alla tre designfaser kallas systemnivådesign. På grund av komplexiteten är det tidsmässigt inte möjligt att evaluera samtliga möjliga designval. Därför behövs optimeringsalgoritmer för att snabba på processen. Olika typer av variabler berörs i de olika designfaserna och därför behövs olika algoritmer. I avhandlingen undersöks olika algoritmers robusthet för kontinuerliga och diskreta variabler samt deras prestanda mot en intern optimeringsplattform. Standardiserade testfall används för att validera algoritmerna vartefter algoritmerna görs mer effektiva och generella. Baserat på teoretiska och experimentella studier föreslås rekommendationer för val av algoritmer baserat på olika typer av variabler. Baserat på optimeringsplattformen introduceras flera olika optimeringskoordinationsarkitekturer för systemnivådesign, och samtidiga och samordnade koordinationsarkitekturer testas för ett specifikt industrifall i den andra delen av avhandlingen. Båda metoderna tycktes vara lovande enligt resultatet av testfallet, och de lyckades sänka konvergensperioden dramatiskt. Den använda fordonsmodellen var inte tillräckligt exakt för att bevisa vilken metod som är den överlägsna, men en mer exakt modell kan introduceras i framtiden för att underlätta en sådan slutsats.
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Yourkowski, Joel. "Computer simulation of an unmanned aerial vehicle electric propulsion system." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1996. http://handle.dtic.mil/100.2/ADA307294.

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Dhand, Aditya. "Design of electric vehicle propulsion system incorporating flywheel energy storage." Thesis, City University London, 2015. http://openaccess.city.ac.uk/13699/.

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Battery electric vehicles are crucial for moving towards a zero emission transport system. Though battery electric vehicle technology has been rapidly improving, it is still not competitive to the conventional vehicles in terms of both cost and performance. The limited driving range and high cost are significant impediments to the popularity of battery electric vehicles. The battery is the main element which affects the range and cost of the vehicle. The battery has to meet the requirements of sufficient power and energy, quick recharge, safety, low cost and sufficient life. However the battery can either provide high power or high energy but not both. Hybridisation of the energy source is one of the methods to improve the energy efficiency of the vehicle, which would involve combining a high energy battery with a high power source. High power batteries, ultracapacitors and high speed flywheels are the potential high power sources that could be used. Out of these, the high speed flywheel in combination with a mechanical transmission is an attractive high power source for the battery electric vehicle due to its favourable characteristics of high specific power, sufficient high specific energy, high energy efficiency, long cycle life, quick recharge and low cost . This thesis presents and critically assesses a concept of a mechanically connected flywheel assisted battery electric vehicle propulsion system for a modern passenger car application. The main contribution of this thesis is the analysis of the effect of utilizing a mechanically connected flywheel in a hybrid energy storage with Li-ion batteries on the energy efficiency of the electric vehicle. The starting point of the research was to create a base electric vehicle model based on current technology. An analysis of the battery electric vehicle, its various components and control strategy and various approaches to model it was discussed which led to the creation of the baseline model. Simulations using the baseline model on three real world driving cycles representing urban, extra urban and motorway conditions, showed the potential for improving the energy efficiency of the vehicle by utilizing a power handling device that could transmit power directly to the driveline such as a mechanically connected flywheel. Hybridisation of the energy storage with the incorporation of the mechanically connected flywheel was presented. The flywheel was sized and a road data analysis was performed to support the sizing analysis. To accomplish the integration of the flywheel with the driveline, a fundamental analysis of the mechanical power split continuously variable transmission was conducted which showed various ways of obtaining the desired ratio range for the flywheel operation according to vehicle requirements. The speed ratio, power flow and efficiency were derived for three different types of transmissions. This analysis produced a simple methodology that can be applied to design a transmission for flywheel energy storage to provide any required speed ratio coverage and predict its efficiency in both directions of power flow, which is an important contribution of the thesis. The hybrid vehicle layout was presented and all its components were discussed. Further to obtain the maximum potential for improvement in energy consumption with the hybrid vehicle, optimisation of the energy management strategy was conducted. The optimisation problem was complex because of factors such as the small storage capacity of the flywheel, the kinematic constraints and the slipping of clutches. Dynamic programming was used to find optimal energy management strategy on the three real world driving cycles, which was the first instance of its implementation for such a powertrain; another important contribution of the thesis. The results were compared with baseline using a quasi static backward model. There was significant reduction in energy consumption for the more aggressive motorway cycle, less for the extra urban cycle, while there was a small increase in energy consumption for the relatively less aggressive urban cycle. However significant reduction in battery stress was observed for all the cycles which is expected to lead to improvements in battery life and lower operating costs. To provide a further step in implementation, a predictive energy management strategy was applied in the backward model for the hybrid vehicle based on dynamic programming with short computation time and utilizing limited future journey information which showed good performance in comparison to the benchmark simulation results. Finally the control was tested in a forward dynamic simulation to verify its suitability for real life implementation, and showed small deviation in performance compared to the backward simulation.
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Harmon, Frederick G. "Neural network control of a parallel hybrid-electric propulsion system for a small unmanned aerial vehicle /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2005. http://uclibs.org/PID/11984.

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Brezina, Aron Jon. "Measurement of Static and Dynamic Performance Characteristics of Electric Propulsion Systems." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1340066274.

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Stevens, John Wesley. "A design of a low-cost propulsion system for an electric scooter." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/17885.

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Mercan, Aybüke. "Driveline Modelling for Full Electric Bus." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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Grudic, Elvedin. "Electric Propulsion System for the Shell Eco-marathon PureChoice Vehicle : Controlling the lights and alternative storage devices such as batteries and supercapacitors." Thesis, Norwegian University of Science and Technology, Department of Electrical Power Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9744.

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This report is divided into six main chapters. It starts off with an introductory chapter explaining the different propulsion strategies that have been considered during the last semester, and the final propulsion system that has been decided upon. The final propulsion strategy has several demands when it comes to components that have to be implemented and what type of components they should be. The main purpose for me in this project was therefore to meet these demands. Main demands for me were to demonstrate different possibilities when it comes to controlling the lights in the PureChoice vehicle, and to make sure the vehicle had enough energy stored in alternative storage devices in order to have a fully functioning system when it comes to driving the vehicle and managing the safety system onboard. The report continues with five individual chapters explaining how these demands were solved and which components that have been considered and implemented in the final vehicle. All off the chapters start of with an introduction about the topic at hand. They then continue with an explanation about the different components used in the vehicle, and reasoning for why exactly these components were chosen. In order to determine how the components would function in the final propulsion system, laboratory tests were performed on all the involved parts, and these laboratory tests are described at the end of all the chapters. This report includes both theoretical calculations and practical solutions.

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Books on the topic "Electric Vehicle Propulsion System"

1

Company, Automotive Research and Design. Hybrid and electric vehicle propulsion systems. 2nd ed. Sterling Heights, Mich: Automotive Research and Design Co., 2002.

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Automotive Research and Design Company. Hybrid and electric vehicle propulsion systems. 3rd ed. Sterling Heights, MI: Automotive Research and Design Co., 2005.

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Yourkowski, Joel. Computer simulation of an unmanned aerial vehicle electric propulsion system. Monterey, Calif: Naval Postgraduate School, 1996.

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E, Garner Charles, Goodfellow Keith D, and Jet Propulsion Laboratory (U.S.), eds. Electric propulsion system technology: Annual report, 1990. Pasadena, Calif: National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology, 1991.

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Jet Propulsion Laboratory (U.S.), ed. Electric propulsion system technology: Annual report, 1991. Pasadena, Calif: National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology, 1992.

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United States. National Aeronautics and Space Administration., ed. Multi-reactor power system configurations for multimegawatt nuclear electric propulsion. [Washington, DC]: National Aeronautics and Space Administration, 1991.

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Min-Huei, Kim, and Lewis Research Center, eds. Advanced propulsion power distribution system for next generation electric/hybrid vehicle: Phase I, preliminary system studies : final report. Cleveland, Ohio: National Aeronautics and Space Administration, Lewis Research Center, 1995.

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Bose, Bimal K. Advanced propulsion power distribution system for next generation electric/hybrid vehicle: Phase I, preliminary system studies : final report. Cleveland, Ohio: National Aeronautics and Space Administration, Lewis Research Center, 1995.

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Antonio, Sciarretta, ed. Vehicle propulsion systems: Introduction to modeling and optimization. 2nd ed. Berlin: Springer, 2007.

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Doherty, Michael P. NEP early flight program: System performance and development considerations. [Washington, DC]: National Aeronautics and Space Administration, 1993.

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Book chapters on the topic "Electric Vehicle Propulsion System"

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Guzzella, Lino, and Antonio Sciarretta. "Electric and Hybrid-Electric Propulsion Systems." In Vehicle Propulsion Systems, 67–162. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35913-2_4.

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Kulkarni, Ambarish, Ajay Kapoor, Mehran Ektesabi, and Howard Lovatt. "Electric Vehicle Propulsion System Design." In Sustainable Automotive Technologies 2012, 199–206. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-24145-1_26.

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Guzzella, Lino, and Antonio Sciarretta. "Non-electric Hybrid Propulsion Systems." In Vehicle Propulsion Systems, 163–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35913-2_5.

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Zheng, Caihui, Hang Yin, Haifeng Hong, and Changqing Liu. "Vehicle Propulsion System of New MBTA Orange Line Trains." In Lecture Notes in Electrical Engineering, 891–900. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2862-0_86.

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Bancă, Gheorghe, Florian Ivan, Gheorghe Frățilă, and Valentin Nișulescu. "Modeling the Performances of a Vehicle Provided with a Hybrid Electric Diesel Propulsion System (HEVD)." In CONAT 2016 International Congress of Automotive and Transport Engineering, 415–26. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45447-4_46.

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Priyadarshi, Neeraj, Farooque Azam, Amarjeet Kumar Sharma, Pradeep Chhawchharia, and P. R. Thakura. "An Interleaved ZCS Supplied Switched Power Converter for Fuel Cell-Based Electric Vehicle Propulsion System." In Advances in Smart Grid Automation and Industry 4.0, 355–62. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-7675-1_35.

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Dantsevich, I. M., L. A. Umanskaya, and S. A. Osmukha. "Reverse Engineering of a Prototype Electromagnetic Hybrid Propulsion System for an Underwater Vehicle." In Lecture Notes in Electrical Engineering, 58–69. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-20631-3_7.

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Li, Shiyao, Hao Qiao, Yushen Yan, and Xinguo Li. "Autonomous Rescue Orbit Strategy and Trajectory Reconstruction for Propulsion System Failure of Launch Vehicle." In Lecture Notes in Electrical Engineering, 1441–53. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8155-7_120.

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Lee, Bohwa, Poomin Park, and Chuntaek Kim. "Power Managements of a Hybrid Electric Propulsion System Powered by Solar Cells, Fuel Cells, and Batteries for UAVs." In Handbook of Unmanned Aerial Vehicles, 495–524. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-90-481-9707-1_115.

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Yang, Shichun, Xinhua Liu, Shen Li, and Cheng Zhang. "Electric Vehicle." In Advanced Battery Management System for Electric Vehicles, 3–13. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3490-2_1.

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Conference papers on the topic "Electric Vehicle Propulsion System"

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Akhtar, Md Junaid, R. K. Behera, and S. K. Parida. "Propulsion system design of electric vehicle." In 2015 6th International Conference on Power Electronics Systems and Applications (PESA) - Advancement in Electric Transportation - Automotive, Vessel & Aircraft. IEEE, 2015. http://dx.doi.org/10.1109/pesa.2015.7398900.

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Wan, Rong, Guohai Liu, Duo Zhang, and Wensheng Gong. "A Fault-Tolerant Electronic Differential System of Electric Vehicles." In 2013 IEEE Vehicle Power and Propulsion Conference (VPPC). IEEE, 2013. http://dx.doi.org/10.1109/vppc.2013.6671654.

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Correa, Fernanda C., Jony J. Eckert, Ludmila C. A. Silva, Fabio M. Santiciolli, Eduardo S. Costa, and Franco Giuseppe Dedini. "Study of Different Electric Vehicle Propulsion System Configurations." In 2015 IEEE Vehicle Power and Propulsion Conference (VPPC). IEEE, 2015. http://dx.doi.org/10.1109/vppc.2015.7353024.

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Momen, Faizul, Khwaja Rahman, Yochan Son, and Peter Savagian. "Electrical propulsion system design of Chevrolet Bolt battery electric vehicle." In 2016 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2016. http://dx.doi.org/10.1109/ecce.2016.7855076.

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Patten, John, Nathan Christensen, Gary Nola, and Steven Srivastava. "Electric vehicle battery — Wind storage system." In 2011 IEEE Vehicle Power and Propulsion Conference (VPPC). IEEE, 2011. http://dx.doi.org/10.1109/vppc.2011.6043111.

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Correa, Fernanda C., Jony J. Eckert, Fabio M. Santiciolli, Ludmila C. A. Silva, Eduardo S. Costa, and Franco Giuseppe Dedini. "Electric Vehicle Battery-Ultracapacitor Energy System Optimization." In 2017 IEEE Vehicle Power and Propulsion Conference (VPPC). IEEE, 2017. http://dx.doi.org/10.1109/vppc.2017.8330866.

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Takahashi, Yoshihiko. "Control System of Series Hybrid Electric Vehicle with Plant Oil Electric Generator." In 2014 IEEE Vehicle Power and Propulsion Conference (VPPC). IEEE, 2014. http://dx.doi.org/10.1109/vppc.2014.7007037.

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Chen, X., X. Chen, and K. Li. "Robust control of electric power-assisted steering system." In 2005 IEEE Vehicle Power and Propulsion Conference. IEEE, 2005. http://dx.doi.org/10.1109/vppc.2005.1554539.

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Yongchang Du, Jinwen Gao, Liangyao Yu, Jian Song, Feng Zhao, and Wenzhang Zhan. "HEV system based on electric variable transmission." In 2009 IEEE Vehicle Power and Propulsion Conference (VPPC). IEEE, 2009. http://dx.doi.org/10.1109/vppc.2009.5289797.

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Chu, Liang, Liang Yao, Jian Chen, Libo Chao, Jianhua Guo, Yongsheng Zhang, and Minghui Liu. "Integrative braking control system for electric vehicles." In 2011 IEEE Vehicle Power and Propulsion Conference (VPPC). IEEE, 2011. http://dx.doi.org/10.1109/vppc.2011.6042995.

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Reports on the topic "Electric Vehicle Propulsion System"

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Jiang, Yuxiang. Unsettled Technology Areas in Electric Propulsion Systems. SAE International, May 2021. http://dx.doi.org/10.4271/epr2021012.

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Electric vehicle (EV) transmission technology—crucial for battery electric vehicles (BEVs) and hybrid electric vehicles (HEVs)—is developing quickly and customers want good performance at a low cost. Single-speed gearboxes are popular in electric drive systems due to their simple and cost-effective configuration. However, multispeed gearboxes are being taken to market due to their higher low-speed torque, dynamic performance, and energy efficiency. Unsettled Technology Areas in Electric Propulsion Systems reviews the economic drivers, existing techniques, and current challenges of EV transmission technology—including torque interruption during shifting; thermal and sealing issues; and noise, vibration, and harshness (NVH). This report discusses the pros and cons for both single-speed and multispeed gearboxes with numerical analysis.
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Bennion, K. Electric Drive Dynamic Thermal System Model for Advanced Vehicle Propulsion Technologies: Cooperative Research and Development Final Report, CRADA Number CRD-09-360. Office of Scientific and Technical Information (OSTI), October 2013. http://dx.doi.org/10.2172/1260887.

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Zhang, Yangjun. Unsettled Topics Concerning Flying Cars for Urban Air Mobility. SAE International, May 2021. http://dx.doi.org/10.4271/epr2021011.

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Flying cars—as a new type of vehicle for urban air mobility (UAM)—have become an important development trend for the transborder integration of automotive and aeronautical technologies and industries. This article introduces the 100-year history of flying cars, examines the current research status for UAM air buses and air taxis, and discusses the future development trend of intelligent transportation and air-to-land amphibious vehicles. Unsettled Topics Concerning Flying Cars for Urban Air Mobility identifies the major bottlenecks and impediments confronting the development of flying cars, such as high power density electric propulsion, high lift-to-drag ratio and lightweight body structures, and low-altitude intelligent flight. Furthermore, it proposes three phased goals and visions for the development of flying cars in China, suggesting the development of a flying vehicle technology innovation system that integrates automotive and aeronautic industries.
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Kramer, W. E., R. D. MacDowall, and A. F. Burke. Performance testing of the AC propulsion ELX electric vehicle. Office of Scientific and Technical Information (OSTI), June 1994. http://dx.doi.org/10.2172/10192336.

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Saito, Yohei, Yoshio Kano, and Masato Abe. Steer-by-Wire System for Micro Electric Vehicle. Warrendale, PA: SAE International, October 2005. http://dx.doi.org/10.4271/2005-32-0004.

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Ramamurthy, Shyam S., and Juan Carolos Balda. Final Report - Part 1: Aspects of Switched Reluctance Motor Drive Application for Electric Vehicle Propulsion. Fort Belvoir, VA: Defense Technical Information Center, May 2001. http://dx.doi.org/10.21236/ada398311.

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DeLuca, W., ed. Performance and life evaluation of nickel/iron battery technology for dual shaft electric propulsion vehicle. Office of Scientific and Technical Information (OSTI), May 1990. http://dx.doi.org/10.2172/6391297.

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Noble, Robert J., Rashied Amini, Patricia M. Beauchamp, Gary L. Bennett, John R. Brophy, Bonnie J. Buratti, Joan Ervin, et al. New Opportunities for Outer Solar System Science using Radioisotope Electric Propulsion. Office of Scientific and Technical Information (OSTI), May 2010. http://dx.doi.org/10.2172/979959.

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Lamb, C., and E. Broglio. Research, development, and demonstration of nickel-iron batteries for electric vehicle propulsion. Annual report for 1984. Office of Scientific and Technical Information (OSTI), August 1985. http://dx.doi.org/10.2172/5277287.

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Kalns, I. Advanced dual-shaft electric propulsion system technology development program: Annual report IV. Office of Scientific and Technical Information (OSTI), October 1988. http://dx.doi.org/10.2172/6164744.

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