基于模糊PI控制策略的电动汽车无离合器两挡变速控制  

Clutchless Two-speed Shift Control of Electric Vehicles Based on Fuzzy-PI Control Strategy

作　　者：佘致廷[1] 袁俊波[1] 李英[1] 刘长建[1] 

机构地区：[1]湖南大学电气与信息工程学院,长沙410082

出　　处：《汽车工程》2012年第11期976-980,共5页Automotive Engineering

基　　金：国家自然基金项目(60874096);湖南省科技计划项目(2012FJ3198)资助

摘　　要：针对电动汽车低速大转矩的要求,提出了一种无离合器两挡变速电动汽车PMSM驱动控制方案,即基于转速模糊PI参数自整定的PMSM矢量控制系统,以期改善电动汽车高低速控制性能。仿真与实验结果表明,该系统克服了PMSM矢量控制系统传统转速PI控制中存在的超调量大、响应速度慢等缺点,通过转速跟踪实现了电动汽车无离合器的换挡,提高了电动汽车在各种路况下的实用性。In view of the low-speed and high-torque requirements of electric vehicles,a PMSM drive control scheme is proposed for clutchless two-speed electric vehicle,i.e.the PMSM vector control system based on fuzzy PI speed control with parameter self-tuning.The results of simulation and experiment show that the system overcomes the disadvantages of large overshoot and slow response in traditional speed PI control,and realizes the clutchless gear shifting of electric vehicles by speed tracking,and hence improves the applicability of electric vehicles on various road conditions.

关 键 词：电动汽车 两挡变速控制 矢量控制 模糊PI控制 参数自整定 

分 类 号：U469.72[机械工程—车辆工程]