The invention discloses an intelligent battery electric vehicle braking energy recovery control method. According to the brake intention of a driver (the parameters capable of reflecting the brake intention of the driver comprise the vehicle speed, the vehicle deceleration, a hydraulic pipeline pressure signal, brake pedal force, brake pedal opening degree and the like), the size of motor regeneration torque, the SOC state of a battery, the state of a flywheel energy accumulator and other parameters, on the premise that the brake safety is guaranteed, the brake intention of the driver can be obtained. Friction braking force of the front shaft and the rear shaft and motor braking force are reasonably distributed, braking energy recovery of the vehicle is always in the optimal state, and the braking energy recovery control system and method are real-time, intelligent and efficient.
本发明公开了一种智能化纯电动汽车制动能量回收控制方法,能够根据驾驶员的制动意图(可以反映驾驶员制动意图的参数有:车速以及车辆减速度、液压管路压力信号、制动踏板力、制动踏板开度等)、电机再生力矩的大小、电池SOC状态以及飞轮储能器状态等参数在保证制动安全性的前提下,合理分配前后轴摩擦制动力以及电机制动力,使车辆的制动能量回收一直处于最佳状态,是一种实时化、智能化、高效率的制动能量回收控制系统与方法。
Intelligent pure electric vehicle braking energy recovery control method
一种智能化纯电动汽车制动能量回收控制方法
2022-05-10
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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