This paper studies the optimal energy management approach and the control strategy of an engine/generator system, named "GENSET", for the purpose of extending the traveling mileage of a plug-in hybrid electric vehicle (PHEV). To derive the optimal energy management, two approaches are employed in this study. They are: (1) energy minimization control and (2)SOC-based control. For the first method, a theoretical-based analysis that searches the most efficient operation points exhaustively, called "Equivalent Consumption Minimization Strategy (ECMS)", is utilized. By giving BSFC/fuel consumption maps of the engine, as well as the efficiency contour of the generator, the optimal commands of torque and rotational speed of the GENSET can be calculated. Multi-dimensional tables are thereby constructed for the best power distribution between the GENSET and the energy storage system - a lithium battery package. The second method is a SOC-based control, which depends on two parameters: expected charging time and current SOC status. The derived optimal results at different needed currents will be applied to the SOC-based control. These two energy management methods will be integrated into the operation modes of the control strategy for a vehicle control unit (VCU). The control software with a PHEV simulator is established on the Matlab/Simulink/Stateflow platform to verify the designed energy management and control strategy.


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    Titel :

    Energy management and control strategy design of a generation set in plug-in hybrid electric vehicles


    Beteiligte:
    Wu, C.H. (Autor:in) / Hung, Y.H. (Autor:in) / Chen, P.Y. (Autor:in) / Lo, S.M. (Autor:in)


    Erscheinungsdatum :

    2010


    Format / Umfang :

    6 Seiten, 14 Bilder, 1 Tabelle, 6 Quellen


    Anmerkungen:

    (nicht paginiert)


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Datenträger


    Sprache :

    Englisch




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