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标题:电动车防抱死再生制动系统的实验研究
作者:耿田军,贾洪平,刁 研
2013年第5期  访问次数:202次

摘要:为实现电动车制动过程中能量的回馈,提高能量使用效率,同时改善制动情况下的ABS防抱死制动系统安全性能,研究了一种基于再生制动调制方式下的防抱死控制系统。制动过程,将模糊PI控制方法应用于单闭环速度调制,实现不同反馈条件下的PI参数自整定;设计模糊控制器实现对半桥与全桥两种PWM调制方式的分配,以达到制动力矩的非恒定控制,实现了有效的防抱死功能。实验结果证明,制动过程中回路能够对蓄电池反充电;制动力矩相对平稳且非恒定,电动车在不同条件路面行驶时,防抱死性能良好。
关键词:电动车;再生制动;防抱死系统;模糊PI控制器;脉宽调制

Abstract: In order to realize the energy feedback in the brake process of electrical vehicles to improve the efficiency of energy use, while the safety performance of the antilocked brake system (ABS) could be ameliorated, a new ABS based on regenerative brake PWM modes was analyzed. In the brake process, selftuning of PI parameters was realized through the application of FuzzyPI control method in the single closedloop speed modulation. To achieve the distribution of halfbridge and fullbridge PWM modes, another Fuzzy controller, which resulted in the non continuous control of braking torque and was implemented to achieve the effective antilocked function, was designed. Experimental results indicated that the antilocked and regenerative brake system , which was available despite of different road surface conditions, could charge the battery in return and brake torque turned out to be noncontinuous and relatively stable.
Key words: electric vehicles; regenerative brake; antilocked brake system; FuzzyPI controller; pulse width modulation (PWM)

 
 
 
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