The invention discloses a braking energy recovery method and system based on an OneBox braking system, and belongs to the technical field of braking energy recovery. The method comprises the steps that the braking intention of a vehicle is collected in real time, and the braking intention is used for judging whether the vehicle is about to enter a braking state or not; distribution of electric braking and hydraulic braking is conducted on the vehicle according to the braking intention, and the braking requirement is determined; sending a braking energy recovery signal based on the braking demand; whether the vehicle is in an unstable state or not is judged, and if yes, the wheel side torque of the vehicle is increased; when the vehicle is not in an unstable state, the vehicle control unit receives a braking energy recovery signal and drives the motor to rotate reversely so as to recover braking energy; the braking energy is stored in the battery pack. The problem that the braking energy recovery efficiency is not high due to the fact that braking energy recovery quits once the ABS is triggered can be solved, and therefore the braking energy recovery efficiency of the vehicle is effectively improved.
本申请公开了一种基于OneBox制动系统的制动能量回收方法和系统,属于制动能量回收技术领域。该方法包括:实时采集车辆的制动意图,其中,制动意图用以判断车辆是否即将进入制动状态;根据制动意图对车辆进行电制动与液制动的分配,确定制动需求;基于制动需求,发送制动能量回收信号;判断车辆是否处于失稳状态,若是,则对车辆的轮边扭矩进行升扭;车辆未处于失稳状态时,整车控制器接收制动能量回收信号,驱动电机反转以回收制动能量;将制动能量储存至电池包中。本申请能够解决一触发ABS就退出制动能量回收,导致制动能量回收效率不高的问题,从而有效提升车辆的制动能量回收效率。
Braking energy recovery method and system based on OneBox braking system
基于OneBox制动系统的制动能量回收方法和系统
18.03.2025
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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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