混合动力客车并行式再生制动策略优化及仿真

来源期刊:中南大学学报(自然科学版)2013年第1期

论文作者:朱浩 谢煜冰 何建辉

文章页码:122 - 128

关键词:混合动力客车;再生制动;自适应模糊PID;联合仿真;RCP在环仿真

Key words:hybrid electric bus; regenerative braking; adaptive fuzzy PID algorithm; joint simulation; rapid prototype in-the-loop simulation

摘    要:针对国内某大型客车公司的ISG(起动/发电一体机)单轴并联双离合器混合动力客车的并行式再生制动系统,以充电系统(电机和电池)的充电效率为最优化目标设计一套再生制动控制策略,调整原车的摩擦制动配比并利用自适应模糊PID算法优化再生制动力参与后的前后轮制动力配比,使之接近理想曲线Ⅰ以获取最大的地面附着利用率。通过Simulink和Cruise的联合仿真模型对策略进行模型仿真,并使用DSPACE公司的Autobox系统与客车搭建成RCP快速原型在环仿真平台。研究结果表明:优化的再生制动策略在该混合动力客车上的使用优化了客车的制动效果,并取得了30%左右的制动能回收率。

Abstract: For the parallel regenerative braking system of a domestic large-sized bus company’s single axis paralleled hybrid electric buses with ISG (Integrated starter generator) motor and two clutch, aiming at making the efficiency of the charging system (motor and battery) optimization, a set of regenerative braking control strategy was controlled. For approaching ideal “I” curve to receive the best ground sticking rate, the friction brake ratio of original car was adjusted and the dynamic ratio was optimized between the front and back wheels with the adaptive fuzzy PID algorithm. Strategy model simulation was carried out with the joint simulation model built by Simulink and Cruise. And the in-the-loop simulation was performed with the RCP rapid prototype in-the-loop simulation platform that was constituted by DSPACE company’s Autobox system and the HEV bus. The results show that the optimal regenerative braking control strategy makes the performance of brake better and obtains about 15% of the feedback energy.

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