Control system and flux-weakening algorithm of electric vehicle

被引:0
作者
Cheng, Bo [1 ]
Li, Xue [1 ]
Ye, Min [1 ]
Wang, Fengkai [2 ]
Cao, Binggang [2 ]
机构
[1] Key Laboratory of Road Construction Technology and Equipment, Ministry of Education, Chang'an University
[2] School of Mechanical Engineering, Xi'an Jiaotong University
来源
Nongye Jixie Xuebao/Transactions of the Chinese Society of Agricultural Machinery | 2012年 / 43卷 / 10期
关键词
Electric vehicle; Flux-weakening control; Fuzzy optimum; Interior permanent magnet synchronous motor; Vector control;
D O I
10.6041/j.issn.1000-1298.2012.10.002
中图分类号
学科分类号
摘要
Corresponding to the interior permanent magnet synchronous motor (IPMSM) used in electric vehicle (EV), control system was designed. Based on the experts experience and motor response curve, combining the actual running state of EV, the fuzzy control rules were made. The fuzzy-PI controller was designed and embedded in the vector control system, and then the simulation was completed. A double-condition considering both speed and duty cycle was utilized to judge whether the flux-weakening control was necessary. A subsection control strategy was adopted according to the speed threshold. Finally, by the running experiment of IPMSM used in EV, it was proved that the response performance and running stability of the motor were improved, and the controllable speed range was widened.
引用
收藏
页码:8 / 13
页数:5
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