The invention discloses a vehicle driving motor torque limiting method and electronic equipment. The method comprises the steps of monitoring actual current of a driving motor; when the actual current is larger than or equal to the first current threshold value, the limiting torque percentage is generated according to the actual current, the limiting torque is calculated according to the limiting torque percentage, the limiting torque percentage linearly changes along with the actual current, and the limiting torque is output. According to the invention, a torque limiting system is preferentially carried out based on the current, and EPT overcurrent can be effectively protected from the change of the current as a fundamental factor. And meanwhile, the torque is linearly limited based on the change of the current, so that the overcurrent problem and the drivability jerking problem generated when the torque is limited can be fundamentally solved. And finally, since the torque limiting is directly carried out through the current in the INV, the execution speed is higher than that of the TCS by detecting the slip rate of the wheel end, and the torque can be limited more quickly.
本发明公开车辆驱动电机扭矩限制方法及电子设备。方法包括:监测驱动电机的实际电流;在实际电流大于等于第一电流阈值时,根据实际电流生成限制扭矩百分比,并根据限制扭矩百分比计算限制扭矩,限制扭矩百分比跟随实际电流线性变化,输出限制扭矩。本发明优先基于电流进行扭矩限限制扭矩制,可以从根本因素电流的变化对EPT过流进行有效防护。同时,基于电流的变化进行线性限制扭矩,可以从根本上解决过流问题及限制扭矩时产生的驾驶性顿挫问题。最后,由于直接在INV中通过电流进行扭矩限值,比TCS通过检测轮端滑移率的方式,执行速度更快,可以更快地对扭矩进行限制。
Vehicle driving motor torque limiting method and electronic equipment
车辆驱动电机扭矩限制方法及电子设备
2025-04-18
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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