The invention relates to the technical field of motor driving, in particular to an electric automobile motor driving control system which comprises a driving motor, a power battery, an information acquisition unit used for acquiring running state information of an electric automobile, a communication unit and a control unit capable of controlling the driving motor. The input end of the communication unit is connected with the output end of the information acquisition device, the output end of the communication unit is connected with the input end of the control unit, the output end of the control unit is connected with the driving motor, and the power battery is electrically connected with the driving motor. The information acquisition unit is used for acquiring running state information of the electric automobile, judging left and right steering and speed according to a steering wheel angle signal, and controlling the rotating speed of the driving motor by using the control unit by taking the rotating speeds of the left and right front wheels as target rotating speeds, so as to realize the speed difference between the inner and outer driving wheels and ensure stable steering.
本发明涉及电机驱动技术领域,特别涉及电动汽车电机驱动控制系统,包括:驱动电机、动力电池、用于获取所述电动汽车的运行状态信息的信息采集单元、通信单元与可控制所述驱动电机的控制单元控制,所述通信单元输入端与所述信息采集装置输出端连接,所述通信单元的输出端连接所述控制单元的输入端,所述控制单元的输出端与驱动电机相连,所述动力电池通过电性连接所述驱动电机,通过信息采集单元用于采集电动汽车的运行状态信息,并依据方向盘转角信号判断转向的左右和快慢,同样也分别以左右前轮转速为目标转速,利用控制单元控制驱动电机的转速,实现内外驱动轮的速度差,保证稳定转向。
Motor drive control system of electric automobile
电动汽车电机驱动控制系统
2024-02-09
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
Motor drive control method and device of electric automobile, electric automobile and medium
European Patent Office | 2022
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