基于ECE法规及I线的纯电动汽车制动能量回收策略研究  

Research on Braking Energy Recovery Strategy of Pure Electric Vehicle Based on ECE Regulation and I Curve

作　　者：李胜琴[1] 汤亚平 LI Shengqin;TANG Yaping(Northeast Forestry University,School of Traffic and Transportation,Harbin 150040,China)

机构地区：[1]东北林业大学交通学院,哈尔滨150040

出　　处：《武汉理工大学学报（交通科学与工程版）》2020年第1期75-80,共6页Journal of Wuhan University of Technology（Transportation Science & Engineering）

基　　金：黑龙江省自然科学基金项目(E1026003);国家自然基金青年基金项目(51205055)资助。

摘　　要：针对某纯电动汽车,基于ECE法规曲线和I线,设计前后轴制动力分配策略,进行制动能量回收控制策略研究.采用模糊控制的方法,考虑电池的充电功率限制,对电机的再生制动力矩进行修正,依据不同制动强度设计电机的再生制动力与前轴制动力的比例分配,制定再生制动和摩擦制动的制动力分配及制动能量回收控制策略.利用Simulink和Cruise软件建立联合车辆及能量回收控制策略仿真模型,在不同强度制动工况和NEDC循环工况下,对本文的制动能量回收控制策略进行验证.结果表明,本文所提出的控制策略符合制动稳定性的要求,前后轴制动力分配曲线符合制动特性,能够有效的回收制动能量,提高电池SOC,增加电动汽车的续航里程.For a pure electric vehicle,based on ECE regulation curve and line I,a braking force distribution strategy for front and rear axles was designed,and a braking energy recovery control strategy was studied.The regenerative braking torque of the motor was corrected by fuzzy control considering the battery charging power limit.According to different braking strengths,the proportional distribution of regenerative braking force and front axle braking force of the motor was designed,and the braking force distribution and braking energy recovery control strategy for regenerative braking and friction braking were formulated.Finally,Simulink and Cruise software were used to establish a simulation model of the combined vehicle and energy recovery control strategy,and the braking energy recovery control strategy in this paper was verified under different intensity braking conditions and NEDC cycle conditions.The results show that the control strategy proposed in this paper meets the requirements of braking stability,and the braking force distribution curves of front and rear axles meet the braking characteristics.It can effectively recover braking energy,improve battery SOC and increase the endurance mileage of electric vehicles.

关 键 词：制动能量回收 模糊控制 I线 ECE法规 联合仿真 

分 类 号：U469.72[机械工程—车辆工程]