The invention relates to a motor torque zero-crossing control method and device, a vehicle and a storage medium in the technical field of vehicle control, and the method comprises the steps that the current motor torque information of a vehicle motor is determined in response to the situation that the motor torque of the vehicle meets the zero-crossing control condition; according to the motor torque information, a target subsection control interval is determined from preset subsection control intervals, and the target subsection control interval comprises a zero-crossing control subinterval and a plurality of non-zero-crossing control subintervals; according to a preset torque slope corresponding to the target segmented control interval, the motor torque of a motor and the braking torque of a vehicle braking system are determined, and the preset torque slope corresponding to the zero-crossing control subinterval is smaller than the preset torque slope corresponding to a non-zero-crossing control subinterval adjacent to the zero-crossing control subinterval; and under the condition that the motor torque is in the target segmented control interval, the torque output of the motor is controlled by taking the motor torque as the target torque, and the torque output of the braking system is controlled by taking the braking torque as the target torque. And the driving smoothness is improved.

    本公开涉及车辆控制技术领域中的一种电机扭矩过零控制方法、装置、车辆及存储介质,包括:响应于车辆的电机扭矩满足过零控制条件,确定车辆电机当前的电机扭矩信息;根据电机扭矩信息,从预设分段控制区间中确定目标分段控制区间,目标分段控制区间包括过零控制子区间和多个非过零控制子区间;根据目标分段控制区间对应的预设扭矩斜率,确定电机的电机扭矩以及车辆制动系统的制动扭矩,过零控制子区间对应的预设扭矩斜率小于过零控制子区间相邻的非过零控制子区间对应的预设扭矩斜率;在电机扭矩处于目标分段控制区间内的情况下,以电机扭矩为目标扭矩控制电机的扭矩输出,以及以制动扭矩为目标扭矩控制制动系统的扭矩输出。提高了驾驶平顺性。


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    Title :

    Motor torque zero-crossing control method and device, vehicle and storage medium


    Additional title:

    电机扭矩过零控制方法、装置、车辆及存储介质


    Contributors:
    FENG MAOLIN (author)

    Publication date :

    2023-09-22


    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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