The embodiment of the invention discloses a control method and device for combined braking of a whole vehicle, and the control method comprises the steps: firstly obtaining a gear state of a retarding handle, the vehicle speed, the travel opening degree of a brake pedal, the change rate of the travel opening degree of the brake pedal and the driving gradient; and then according to the retarding handle gear state, the vehicle speed, the brake pedal stroke opening degree, the brake pedal stroke opening degree change rate and the driving gradient, at least one braking mode of engine in-cylinder exhaust braking, automatic gearbox retarding braking and traveling braking is controlled and executed. By means of the method, according to all conditions or part of conditions in the whole vehicle driving state, selection of the braking modes is accurately determined, different braking modes are applied under different driving working conditions, using of service braking is reduced, the whole vehicle braking efficiency and safety are effectively improved, the braking requirement of vehicle driving is met, and the driving safety of a vehicle is improved. The problems of braking pause, poor braking experience feeling of a driver and the like caused by insufficient and overlarge braking force possibly occurring in the driving process are solved.
本发明实施例公开了一种整车联合制动的控制方法及控制装置,该控制方法首先获取缓速手柄档位状态、车速、制动踏板行程开度、制动踏板行程开度变化率和行驶坡度,然后根据缓速手柄档位状态、车速、制动踏板行程开度、制动踏板行程开度变化率和行驶坡度,控制执行发动机缸内排气制动、自动变速箱缓速制动、行车制动中的至少一种制动方式。利用上述方法,根据整车行驶状态中的各个条件或者部分条件,精确确定制动方式的选择,在不同的行驶工况下应用不同的制动方式,减少了行车制动的使用,有效提高了整车制动的效率和安全性,满足了车辆行驶的制动需求,解决了在行驶过程中可能出现的制动力不足及过大而造成制动顿挫和驾驶员制动体验感受差等问题。
Control method and control device for combined braking of whole vehicle
一种整车联合制动的控制方法及控制装置
2023-11-24
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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