电动汽车制动能量回收控制策略设计与仿真

Design and simulation of regenerative braking control strategy of electric vehicle

文章以某款新开发的电动汽车作为研究对象,进行了电动汽车再生制动能量回收系统控制策略的设计。为了获得较高的再生制动能量回收率,采用电机制动和带ABS的机械制动联合并联制动方式,在实例电动汽车电机制动扭矩标定的基础上进行制动能量回收系统控制策略的设计,并基于Matlab/Simulink在EUDC循环工况下进行了实例电动汽车性能仿真,仿真结果表明:所设计的再生制动能量回收控制策略能满足制动安全性和驾驶员感觉的要求,且制动能量回收率达到42.7%。

Taking a new type of electric vehicle（EV） as research object, the regeneraUve braking sys- tem control strategy for EV was designed. In order to achieve the high regenerate energy rate, the parallel braking which integrated electric motor braking and mechanical braking system with ABS was applied. Based on the calibration of the braking torque for EV electric motor, the regenerative braking system control strategy for EV was designed. By Matlab/Simulink the simulation of EV was done un- der NEDC working conditions. The simulation results show that the control strategy can meet the re- quest of braking security and driver feeling and the regenerate energy rate was 42.7 % in NEDC.