The invention provides a torque distribution method of a multi-motor driving system, a controller of the torque distribution method and the driving system, and solves the technical problems that in the prior art, the performance advantage of each driving motor can be fully played only by reasonably distributing torque to a plurality of motors, the working efficiency of the motors is optimal, and no effective solution exists at present. According to the torque distribution method of the multi-motor driving system, the plurality of torque compensation matrixes are set, the target torque compensation group with the maximum total motor efficiency is selected from the plurality of torque compensation matrixes, and when the total motor efficiency is greater than the current total motor efficiency, the target torque compensation group is adopted to compensate the current torque of the driving motor; the total motor efficiency is high, the compensated torque serves as the current torque of the driving motor in the next calculation period, and therefore the total motor efficiency of the vehicle can be optimal through multiple times of calculation.

    本申请提供了多电机驱动系统的扭矩分配方法及其控制器、驱动系统,解决了现有技术中如何将扭矩合理分配给多个电机,才能够充分发挥各个驱动电机的性能优势,达到电机的工作效率最佳,目前还没有行之有效的解决办法的技术问题。本申请提供的多电机驱动系统的扭矩分配方法,通过设置多个扭矩补偿矩阵,在多个扭矩补偿矩阵中选取总电机效率最大的目标扭矩补偿组,当总电机效率大于当前总电机效率时,则采用目标扭矩补偿组对驱动电机的当前扭矩进行补偿,以使得总电机效率较高,经过补偿后的扭矩作为下一计算周期时的驱动电机的当前扭矩,如此以来,经过多次计算,车辆的总电机效率可以实现最佳。


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    Title :

    Torque distribution method of multi-motor driving system, controller of multi-motor driving system and driving system


    Additional title:

    多电机驱动系统的扭矩分配方法及其控制器、驱动系统


    Contributors:
    HUANG LIANG (author) / ZHAO DANRUI (author) / ZHANG ZHENBEI (author)

    Publication date :

    2022-12-06


    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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