The invention discloses a dual-motor coupling driving steer-by-wire system which is characterized by comprising a steering wheel module, a steering execution module, a signal acquisition module, a variable transmission ratio module, a vehicle ideal state calculation module, a demand motor rotating speed torque calculation module, a torque distribution coefficient optimization module and an ECU module. Besides, the invention further provides an energy optimization method of the double-motor coupling driving steer-by-wire system, the motors are made to work in a high-efficiency area by reasonably and optimally distributing the torques of the two motors, and therefore safety and reliability of the steer-by-wire system can be achieved, and the purpose of reducing steering energy consumption can be achieved.
本发明公开了一种双电机耦合驱动线控转向系统,其特征在于,包括转向盘模块、转向执行模块、信号采集模块、变传动比模块、车辆理想状态计算模块、需求电机转速转矩计算模块、转矩分配系数优化模块、ECU模块;此外,本发明还提供一种双电机耦合驱动线控转向系统能量优化方法,通过对两个电机的转矩进行合理的优化分配,使电机工作在高效率区域,从而不但可以实现线控转向系统安全性、可靠性,而且可以达到降低转向能耗的目的。
Dual-motor coupling driving steer-by-wire system and energy optimization method thereof
一种双电机耦合驱动线控转向系统及其能量优化方法
01.09.2020
Patent
Elektronische Ressource
Chinesisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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