The invention provides an automatic hill starting control method and device and an automobile. The method comprises the steps that an automatic hill starting instruction and an accelerator pedal signal are received; when the accelerator value reaches a preset accelerator threshold value, the driving torque is increased; when the driving torque is increased to the driving force threshold value of ramp starting, parking is released; when the driving torque is increased, the wheel speed difference of wheels on the two sides is controlled, and the driving torque is controlled according to the slip rate of a high-speed wheel; and when the acceleration of the vehicle reaches the calibrated acceleration corresponding to the slope where the vehicle is located and the target accelerator value, or the time for lifting the driving torque exceeds a preset time threshold value, automatic hill starting is relieved. By means of the method, the problem that an existing slope is unstable is solved.
本发明提供一种自动坡道起步的控制方法、装置及汽车,所述方法包括:接收自动坡道起步指令和油门踏板信号;当油门值大小达到预设油门阈值,提升驱动扭矩;当驱动扭矩提升至坡道启动的驱动力阈值,释放驻车;在提升驱动扭矩同时,控制两边车轮的轮速差并且根据高速轮的滑转率控制驱动扭矩;当车辆加速度达到与所述车辆所处坡度和目标油门值对应的标定加速度,或者提升驱动扭矩时间超过预设时间阈值时,解除自动坡道起步。通过本发明,解决了现有坡起不稳定的问题。
Automatic hill starting control method and device and automobile
一种自动坡道起步的控制方法、装置及汽车
2021-10-12
Patent
Elektronische Ressource
Chinesisch
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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