The invention discloses a motor torque zero-crossing response control method for an electric vehicle, which comprises the following steps that: step 1, a motor controller MCU acquires a torque instruction set Txk (k = 1, 2,..., k + 1) issued by a passing vehicle control unit VCU and a passing motor actual output torque set Tsk (k = 1, 2,..., k + 1); step 2, the motor controller MCU compares a torque instruction set Txk issued by a previous vehicle control unit VCU with a previous motor actual output torque set Tsk according to a set method; step 3, calculating and outputting a referenceable actual output torque T2 of the motor according to a comparison result in the step 2; 4, the motor controller MCU receives a torque instruction T1 issued by the vehicle control unit VCU; and 5, the torque instruction T1 issued by the VCU and the actual output torque T2 of the motor are subjected to multiple judgment comparison, a torque response coefficient K is obtained, a current actual output torque instruction of the motor is calculated according to the torque response coefficient K, and the problem that the actual output torque of the motor is lagged is solved.
本申请公开了一种电动汽车的电机扭矩过零响应控制方法,包括以下步骤,步骤一,电机控制器MCU获取过往整车控制器VCU下发扭矩指令集合Txk(k=1、2……k+1)和过往电机实际输出扭矩集合Tsk(k=1、2……k+1);步骤二,电机控制器MCU按照设定方法比对过往整车控制器VCU下发扭矩指令集合Txk和过往电机实际输出扭矩集合Tsk;步骤三,根据步骤二比对结果计算输出可参考的电机实际输出扭矩T2;步骤四,电机控制器MCU接收整车控制器VCU下发扭矩指令T1;步骤五,将整车控制器VCU下发扭矩指令T1与电机实际输出扭矩T2多重判断比对,得到扭矩响应系数K,根据扭矩响应系数K计算当前电机实际输出扭矩指令,解决电机实际输出扭矩滞后的问题。
Motor torque zero-crossing response control method of electric automobile and electronic equipment
电动汽车的电机扭矩过零响应控制方法及电子设备
23.06.2023
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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