The invention discloses a slip protection method and a slip protection system for a vehicle, and the vehicle. The slip protection method for the vehicle comprises: acquiring the rotating speed changerate of an output shaft in a gearbox and the wheel speed difference value of two driving wheels of a vehicle; judging whether the engine torque of the vehicle is adjusted according to the rotating speed change rate and the wheel speed difference value; and if the engine torque of the vehicle needs to be adjusted, acquiring a torque limiting adjustment value according to the wheel speed differencevalue, so that an engine controller can adjust the engine torque of the vehicle according to the torque limiting adjustment value. By adopting the technical scheme, the stable running of the vehicle can be guaranteed when the vehicle slips, the running safety of the vehicle on a road surface with small friction force is improved, and a differential mechanism in the automatic transmission is effectively protected against damage.
本发明公开了一种车辆的打滑保护方法及其系统、车辆,车辆的打滑保护方法包括获取变速箱中输出轴的转速变化率以及车辆的两个驱动轮的轮速差值;根据转速变化率和轮速差值判断是否调节车辆的发动机扭矩;若需要调节车辆的发动机扭矩,根据轮速差值获取限扭调节值,以使发动机控制器根据限扭调节值调节车辆的发动机扭矩。通过本发明的技术方案,能够在车辆打滑时保证车辆平稳行驶,提高车辆的摩擦力较小的路面上行驶的安全性,有效保护自动变速器内的差速器不被损坏。
Vehicle slip protection method, vehicle slip protection system and vehicle
车辆的打滑保护方法及其系统、车辆
2020-05-01
Patent
Electronic Resource
Chinese
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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