The invention discloses a motor control method, a motor controller and an automobile, whether a motor is in a start-stop working condition or not is determined by acquiring a torque request value and a current rotating speed of the motor, and when it is determined that the motor is in the start-stop working condition, reverse compensation is performed on the torque request value to obtain a torque target value; the absolute value of the torque target value is made smaller than the absolute value of the torque request value. And the torque target value is applied to the motor, so that the torque of the motor is smaller than the torque request value, the control precision of the motor torque is optimized under the small torque and zero-crossing torque response working condition, the motor torque is prevented from being over-adjusted, and the impact force of the motor torque on the gear mechanism under the small torque and zero-crossing torque response working condition is reduced. And the gear knocking problem under the starting and stopping working conditions is further optimized, knocking noise generated by the gear is reduced, and the comfort of a driver and passengers is improved.

    本申请公开了一种电机控制方法、电机控制器和汽车,通过获取电机的扭矩请求值和当前转速确认电机是否处于启停工况,当确认电机处于启停工况时,对扭矩请求值进行反向补偿得到扭矩目标值,使扭矩目标值的绝对值小于扭矩请求值的绝对值。而向电机施加扭矩目标值,能够使电机的扭矩相对扭矩请求值更小,进而在小扭矩及过零扭矩响应工况时,优化对电机扭矩的控制精度,防止电机扭矩过调,降低小扭矩及过零扭矩响应工况下电机扭矩对齿轮机构的冲击力,进一步优化在启停工况下齿轮敲击问题,减小齿轮产生的敲击噪音,提升司乘人员的舒适感。


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    Title :

    Motor control method, motor controller and automobile


    Additional title:

    电机控制方法、电机控制器和汽车


    Contributors:
    HUANG BUJIA (author) / LIN JINBO (author) / LU JIANMING (author)

    Publication date :

    2025-03-04


    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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