The invention relates to a performance calibration method for a pure electric vehicle, which comprises the following steps of: calibrating a driving coefficient corresponding to the opening degree of an accelerator pedal on the premise of smooth driving according to a driving torque under the opening degree of the specific accelerator pedal in the normal driving process of the vehicle; electric braking torque is calibrated according to the current running speed of the vehicle and the opening degree of a brake pedal; in the running process of the vehicle, according to the size relation of different gears, target torque and actual torque, a torque change value # imgabs0 # is obtained through table look-up, and then a torque request is subjected to filtering processing; aiming at different subdivided market requirements of the driving condition, the altitude, the environment temperature and the like of the pure electric vehicle, the vehicle driving force, the energy recovery capability and the torque filtering calibration can be quickly completed, and the software development efficiency of the vehicle control unit is improved. And effective balance among driving safety, comfort and economical efficiency of the pure electric vehicle is realized.
本发明涉及一种纯电动汽车的性能标定方法,包括:根据车辆正常行驶过程中特定加速踏板开度下的驱动扭矩,在行车平顺的前提下,标定加速踏板开度对应的驱动系数;根据车辆当前行驶车速及制动踏板开度对电制动扭矩进行标定;在车辆行驶过程中,根据不同档位、目标扭矩及实际扭矩的大小关系,查表得到扭矩变化值#imgabs0#,然后对扭矩请求进行滤波处理;针对纯电动汽车行驶工况、海拔、环境温度等不同细分市场需求,能够快速完成车辆驱动力、能量回收能力及扭矩滤波标定,提高整车控制器软件开发效率。同实现纯电动汽车行车安全性、舒适性和经济性间的有效平衡。
Performance calibration method for pure electric vehicle
一种纯电动汽车的性能标定方法
2025-01-07
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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