The invention provides a motor control method and device of an electric vehicle, a storage medium and a vehicle control unit. The method comprises the steps that whether the electric vehicle is in a preset state or not is judged; when the electric vehicle is in the preset state, a gear between a motor and a transmission system of the electric vehicle may have a backlash impact phenomenon; and when the electric vehicle is in the preset state, a torque instruction is sent to a motor controller of the electric vehicle so as to perform nonlinear torque control on the motor. According to the scheme provided by the invention, a shaft beating phenomenon caused by a gear clearance during positive and negative torque sudden change or steering change can be avoided.

    本发明提供一种电动车辆的电机控制方法、装置、存储介质及整车控制器,所述方法包括:判断所述电动车辆是否处于预设状态;当所述电动车辆处于所述预设状态时,所述电动车辆的电机与传动系统之间的齿轮可能出现齿隙冲击现象;当所述电动车辆处于所述预设状态时,向所述电动车辆的电机控制器发送转矩指令,以对所述电机进行非线性转矩控制。本发明提供的方案能够避免由于正负转矩突变或转向变化时齿轮间隙引起的打轴现象。


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    Title :

    Motor control method and device of electric vehicle, storage medium and vehicle control unit


    Additional title:

    电动车辆的电机控制方法、装置、存储介质及整车控制器


    Contributors:
    NIU GAOCHAN (author) / LI LI (author) / ZHONG GUOXIANG (author)

    Publication date :

    2021-08-17


    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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