The invention discloses a motor torque determination method and device, a processor and a vehicle. The method comprises the steps that a torque estimated value and a torque instruction value of a motor of the vehicle are obtained, the torque instruction value is used for representing the torque requirement of a vehicle control unit of the vehicle for the motor, and the torque estimated value is used for estimating the actual torque for controlling operation of the motor based on the torque instruction value; flux linkage data and inductance data of the motor are determined based on the torque estimated value and the torque instruction value, the flux linkage data are used for representing magnetic field attributes of the motor, and the inductance data are used for representing magnetic saturation and cross coupling attributes of the motor; the rotor flux linkage and the rotor temperature of the motor are determined based on the flux linkage data and the inductance data, the rotor temperature is used for representing the temperature rise attribute of the motor, and the rotor flux linkage is used for representing the electromagnetic attribute of a rotor of the motor; and determining a target torque of the motor based on the rotor flux linkage and the rotor temperature. The technical problem that the accuracy of determining the torque of the motor is low is solved.

    本发明公开了一种电机转矩的确定方法、装置、处理器和车辆。其中,该方法包括:获取车辆的电机的转矩预估值与转矩指令值,其中,转矩指令值用于表示车辆的整车控制器对电机的转矩需求,转矩预估值用于对基于转矩指令值控制电机运行的实际转矩进行预估;基于转矩预估值与转矩指令值,确定电机的磁链数据和电感数据,其中,磁链数据用于表示电机的磁场属性,电感数据用于表示电机的磁饱和与交叉耦合属性;基于磁链数据和电感数据,确定电机的转子磁链和转子温度,其中,转子温度用于表示电机的温升属性,转子磁链用于表示电机的转子的电磁属性;基于转子磁链和转子温度,确定电机的目标转矩。本发明解决了确定电机的转矩的准确性低的技术问题。


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    Title :

    Motor torque determination method and device, processor and vehicle


    Additional title:

    电机转矩的确定方法、装置、处理器和车辆


    Contributors:
    XU ZEXU (author) / LI SHUAI (author) / LI YAN (author) / FAN YUHUI (author) / DONG LIJIA (author) / LI WEILIANG (author) / LIU YACHUAN (author) / RAN ZAIQING (author)

    Publication date :

    2023-09-15


    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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