The invention relates to a control method and device of a driving motor, vehicle control equipment and a storage medium. The method comprises the steps that vehicle data of an electric vehicle carrying the driving motor is obtained; calculating a torque limit correction value and power conversion efficiency of the driving motor based on the vehicle data, and identifying a current slope sliding working condition of the electric vehicle; based on the torque limit value correction value and the power conversion efficiency, candidate torque limit values of the driving motor are determined, and the candidate torque limit values comprise the maximum candidate torque limit value and the minimum candidate torque limit value; and determining a target torque limit value of the driving motor according to the candidate torque limit value based on the current slope sliding working condition of the electric vehicle, and controlling the driving motor by adopting the target torque limit value. Based on the calculation of the power conversion efficiency of the driving motor, the precision of the coefficient of motor electric power and mechanical power conversion can be improved; the correction value of the torque limit value is calculated based on the obtained actual vehicle data, the accuracy of the final target torque limit value is improved, the battery is better protected, and the battery is prevented from breaking down.
本申请涉及一种驱动电机的控制方法、装置、车辆控制设备和存储介质,方法包括:获取搭载驱动电机的电动汽车的车辆数据;基于车辆数据计算驱动电机的扭矩限值修正值和功率转换效率,并识别电动汽车的当前溜坡工况;基于扭矩限值修正值和功率转换效率,确定驱动电机的候选扭矩限值,包括最大和最小候选扭矩限值;基于电动汽车的当前溜坡工况,根据候选扭矩限值确定驱动电机的目标扭矩限值,采用目标扭矩限值控制驱动电机。基于对驱动电机的功率转换效率的计算,能够提升电机电功率和机械功率转换的系数的精度;基于获取到的实际的车辆数据对于扭矩限值修正值计算,有利于提升最终的目标扭矩限值的准确性,有利于更好的保护电池,避免电池发生故障。
Control method and device of driving motor, vehicle control equipment and storage medium
驱动电机的控制方法、装置、车辆控制设备和存储介质
12.04.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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