Spelling suggestions: "subject:"[een] ELECTRIC VEHICLES"" "subject:"[enn] ELECTRIC VEHICLES""
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Zero-emission vehicle scenario cost analysis using a fuzzy set-based framework /Lipman, Timothy Edward. January 1900 (has links)
"Ph. D. dissertation." / "December 1999." Includes bibliographical references (p. 299-318). Also available on the World Wide Web: http://engr.ucdavis.edu/%7Eits.
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Advanced control and analysis of energy conversion systems for electric vehiclesZhang, Zhen, 張鎮 January 2014 (has links)
By utilizing the electric motor as the propulsion system, the electric vehicle (EV) establishes a new bridge between renewable energies and our daily life, which meanwhile has to face with a brand new technical issue, namely the energy management and conversion. Then, the performance of energy conversion systems has become a new evaluation criteria for EVs. Accordingly, this study works on the analysis and control of the EV energy conversion system, including the secure charging system via wireless power transmission (WPT), advanced driving control via electric propulsion system, and bidirectional power interface via electromagnetic interference (EMI) mitigation technique.
First, this study proposes a novel energy encryption algorithm for WPT systems. In the presented scheme, the energy can be encrypted by chaotically regulating the frequency of the power source based on the unpredictable security key. The authorized receptor can effectively receive the energy by simultaneously adjusting the circuit to decoding the encrypted energy based on the acquired security key, while the unauthorized receptor cannot obtain the energy without knowledge of the security key. In this study, both simulation and experimental results are provided to verify the feasibility of the proposed secure WPT system.
Subsequently, this study proposes a new dynamic model of EV powering steering systems, by synthetically taking into account characteristics of the electric propulsion motor, driver’s operation, and uncertain disturbances caused by irregularities of the road surface. By using various nonlinear analysis methods, the unstable chaotic behaviors can be revealed in the power steering system, especially when the vehicle turns a concern at a high speed. Additionally, a new control algorithm is designed and implemented to stabilize the EV power steering system, and corresponding validity is also mathematically proved in this study.
Thirdly, an integrated driving control system is designed based on the aforementioned dynamic analysis, which is used to enhance the stability and maneuverability performances of four-in-wheel independently-driven (4WID) EVs. By adopting the supervisor-actuator structure, the proposed driving control scheme not only effectively improves the performance of tracking reference paths, but also optimally distribute the desired yaw moment to each in-wheel motor. In this study, the mathematical proof and the simulation are both conducted to demonstrate the feasibility of the proposed integrated driving control strategy.
Lastly, this study also works on the EMI issue caused by switch-mode energy conversion devices for EVs. In this section, a new pulse-width-modulation (PWM) method is designed by utilizing the random-like sequence, aiming to suppress the conducted peaky EMI over the whole power spectrum, thereby ensuring the working performance for electronic instruments in EVs. For demonstrating the effectiveness of the proposed soft-chaoizing scheme, this study takes two exemplifications such as the electric propulsion drive system and the bidirectional power interface for vehicle-to-grid (V2G) systems. / published_or_final_version / Electrical and Electronic Engineering / Doctoral / Doctor of Philosophy
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Public policies for hybrid-electric vehicles the impact of government incentives on consumer adoption /Diamond, David B. January 2008 (has links)
Thesis (Ph.D.)--George Mason University, 2008. / Vita: p. 163. Thesis director: Philip E. Auerswald. Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Public Policy. Title from PDF t.p. (viewed June 30, 2008). Includes bibliographical references (p. 156-162). Also issued in print.
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Development and validation of a modular hybrid electric vehicle simulation modelKellermeyer, William F. January 1900 (has links)
Thesis (M.S.)--West Virginia University, 1998. / Title from document title page. "May 1998." Document formatted into pages; contains xi, 107 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 80-81).
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Investigating the development of a zero emission electric utility snowmobileOuellette, Simon. January 1900 (has links)
Thesis (M.Eng.). / Written for the Dept. of Mechanical Engineering. Title from title page of PDF (viewed 2009/06/17). Includes bibliographical references.
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Modeling and control of a hybrid electric drivetrain for optimum fuel economy, performance and driveabilityWei, Xi, January 1900 (has links)
Thesis (Ph. D.)--Ohio State University, 2004. / Title from first page of PDF file. Document formatted into pages; contains xvi, 175 p.; also includes graphics (some col.). Includes bibliographical references (p. 167-175).
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Performance simulation and energy coordination for electric vehicles /Wong, Yuk-sum. January 2000 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2000. / Includes bibliographical references.
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Electric two-wheelers in China : analysis of environmental, safety, and mobility impacts /Cherry, Christopher R. January 1900 (has links) (PDF)
Thesis (Ph. D. in Civil and Environmental Engineering)--University of California, Berkeley, 2007. / "Spring 2007." Includes bibliographical references (p. 173-179). Also available online via the ITS Berkeley web site (www.its.berkeley.edu).
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Characterization of a series hydraulic hybrid diesel vehicleFlaugher, Joshua W. January 2007 (has links)
Thesis (M.S.)--West Virginia University, 2007. / Title from document title page. Document formatted into pages; contains x, 95 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 59-60).
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Three essays in transportation energy and environmental policy /Hajiamiri, Sara. January 1900 (has links) (PDF)
Thesis (Ph. D.)--Pardee RAND Graduate School, 2010. / Cover title. Includes bibliographical references. Also available online.
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