The invention discloses a torque distribution method and device of a dual-motor driving system and a vehicle. The torque distribution method of the dual-motor driving system comprises the following steps that wheel end request torque is obtained; obtaining a main control bridge torque distribution coefficient; obtaining an initial master control bridge motor theoretical torque according to the wheel end request torque and the master control bridge torque distribution coefficient, and sending the initial master control bridge motor theoretical torque to a master control bridge motor; the actual torque generated by the main control bridge motor based on the initial main control bridge motor theoretical torque is obtained; and obtaining the theoretical torque of the auxiliary control axle motor according to the wheel end request torque and the actual torque. The error between the actual torque and the theoretical torque of the main control bridge motor is considered, so that the dual-motor control in the dual-motor driving system is more accurate.

    本发明公开了一种双电机驱动系统的扭矩分配方法、装置及车辆,其中双电机驱动系统的扭矩分配方法包括以下步骤:获取轮端请求扭矩;获取主控桥扭矩分配系数;根据轮端请求扭矩和主控桥扭矩分配系数得到初始主控桥电机理论扭矩,并将初始主控桥电机理论扭矩发送至主控桥电机;获取主控桥电机基于初始主控桥电机理论扭矩产生的实际扭矩;根据轮端请求扭矩和实际扭矩得到辅控桥电机理论扭矩。由于考虑到了主控桥电机的实际扭矩和理论扭矩的误差,使双电机驱动系统中的双电机控制更加精确。


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    Title :

    Torque distribution method and device of dual-motor driving system and vehicle


    Additional title:

    一种双电机驱动系统的扭矩分配方法、装置及车辆


    Contributors:
    LIU WENZHONG (author) / LI OUYANG (author) / WANG TING (author)

    Publication date :

    2023-07-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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