The invention relates to an output torque control method and device of a vehicle motor and a controller. The method comprises the steps that the real-time rotating speed and the target output torque of a vehicle motor are obtained; according to the real-time rotating speed, determining the friction torque of the test bench and the friction torque of the vehicle motor corresponding to the real-time rotating speed; determining a target electromagnetic torque of the vehicle motor according to the friction torque of the test bench, the friction torque of the vehicle motor and the target output torque; and motor driving current corresponding to the target electromagnetic torque of the vehicle motor is determined and loaded to the vehicle motor, so that the actual output torque of the vehicle motor is equal to the target output torque. By adopting the method, the precision of the output torque of the vehicle motor can be improved.
本申请涉及一种车辆电机的输出转矩控制方法、装置和控制器。该方法包括:获取车辆电机的实时转速和目标输出转矩;根据实时转速,确定实时转速对应的测试台架的摩擦转矩和车辆电机的摩擦转矩;根据测试台架的摩擦转矩、车辆电机的摩擦转矩和目标输出转矩,确定车辆电机的目标电磁转矩;确定并加载车辆电机的目标电磁转矩对应的电机驱动电流至车辆电机,以使车辆电机的实际输出转矩等于目标输出转矩。采用本方法能够提高车辆电机的输出转矩的精度。
Method and device for controlling output torque of vehicle motor and controller
车辆电机的输出转矩控制方法、装置和控制器
2024-08-20
Patent
Electronic Resource
Chinese
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES |
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