Based on comprehensive analysis of differential principle, a novel driving and control system for a direct-wheel-driven electric vehicle (EV) is presented in this paper. Without differential gears, direct-wheel-driven EV has to employ complicated differential algorithm for steering, which dramatically increased the difficulty of the control system of EV. The system proposed in this paper has changed the traditional configuration and control strategy of direct-wheel-driven EV to simplify the control of EV. The proposed system connected two permanent-magnet brushless dc motors (PMBDCMs) directly in series, cut down the differential algorithm thoroughly in velocity control strategy, and adopted the traditional PI controller. By analyzing the running rules of EV and investigation on performance of PMBDCM, the operation principle of the proposed system is expounded. Based on the analysis, an equivalent simulation system was developed under Matlab/Simulink platform, and the result verified the rationality and feasibility of the driving and control system for direct-wheel-driven EV. The unique performance of the proposed system made direct-wheel-driven EV more practical and competitive.


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    Title :

    A novel driving and control system for direct-wheel-driven electric vehicle


    Contributors:
    Tao, Guilin (author) / Ma, Zhiyum (author) / Zhou, Libing (author) / Li, Langru (author)

    Published in:

    IEEE Transactions on Magnetics ; 41 , 1, pt.2 ; 497-500


    Publication date :

    2005


    Size :

    4 Seiten, 7 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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