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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
Open AccessArticle

Integrated Design of Powertrain Controllers in Series Hybrid Electric Vehicles for Efficiency Enhancement and Battery Lifetime Extension

Department of Electrical and Computer Engineering University of Michigan – Dearborn 4901 Evergreen Road, Dearborn, MI 48128 USA
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World Electr. Veh. J. 2009, 3(4), 843-848; https://doi.org/10.3390/wevj3040843
Published: 25 December 2009
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Abstract

In this study, a control strategy for the series hybrid electric vehicle (SHEV) powertrain, based on the design of fixed-boundary-layer sliding mode controllers (FBLSMCs) and a battery charge scenario, is presented to enhance engine efficiency as well as extend battery cycle life. An appropriate battery charge scenario is designed to remove surge charge current, keep the battery staying in a high state-of-charge (SOC) region and avoid persistently-high charge power, which are positive factors to the battery lifetime extension. To locate the engine operation in the optimal efficiency area, two robust FBLSMCs against uncertain disturbances are configured in the powertrain control system, responsible for engine speed control and engine torque control, respectively. Simulation results are obtained for comparison between the proposed and conventional powertrain control schemes by using the Advanced Vehicle Simulator (ADVISOR). Through these simulations, the effectiveness and superiority of the FBLSMC-based SHEV power train control strategy are validated.
Keywords: Series hybrid electric vehicle (SHEV); fixed-boundary-layer sliding mode controllers (FBLSMCs); battery charge scenario; optimal efficiency area Series hybrid electric vehicle (SHEV); fixed-boundary-layer sliding mode controllers (FBLSMCs); battery charge scenario; optimal efficiency area
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Zhang, X.; Mi, C.C. Integrated Design of Powertrain Controllers in Series Hybrid Electric Vehicles for Efficiency Enhancement and Battery Lifetime Extension. World Electr. Veh. J. 2009, 3, 843-848.

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