| 一种初级永磁型直线电动机的推力特性 |
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| 引用本文： | 黄磊,余海涛,胡敏强,赵晶.一种初级永磁型直线电动机的推力特性[J].电机与控制学报,2011,15(9):6-11. |
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| 作者姓名： | 黄磊 余海涛 胡敏强 赵晶 |
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| 作者单位： | 东南大学 伺服控制技术教育部工程研究中心,江苏南京,210096 |
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| 基金项目： | 江苏省科技支撑计划(BE2010184) |
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| 摘 要： | 针对应用于电磁弹射中直线感应电机推力密度和功率因数均较低的问题,提出一种应用于电磁弹射的初级永磁直线电机。给出了电机的结构和工作原理,采用二维有限元方法对电机的静态特性进行分析,给出了电机的磁链、反电动势和电感特性。在静态特性基础之上,通过能量法对电机推力特性进行推导。采用瞬态二维有限元方法对推力特性和电磁弹射的加速过程进行仿真分析,通过试验验证有限元仿真的正确性。仿真和试验结果表明,该电机具有小的定位力、较小的推力波动和简单的控制策略,在电磁弹射系统应用中具有很好的前景。
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| 关 键 词： | 初级永磁直线电机 有限元方法 推力特性 电磁弹射 |
Thrust force characteristic of a primary permanent magnet linear motor |
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| HUANG Lei,YU Hai-tao,HU Min-qiang,ZHAO Jing.Thrust force characteristic of a primary permanent magnet linear motor[J].Electric Machines and Control,2011,15(9):6-11. |
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| Authors: | HUANG Lei YU Hai-tao HU Min-qiang ZHAO Jing |
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| Affiliation: | HUANG Lei,YU Hai-tao,HU Min-qiang,ZHAO Jing (Engineering Research Center for Motion Control of MOE,Southeast University,Nanjing 210096,China) |
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| Abstract: | To solve the problem that the thrust density and power factor of linear induction machines used for electromagnetic launch are too little,a primary permanent magnet linear motor(PPMLM) is proposed for electromagnetic launch.Firstly,the structure and operation principle of the PPMLM were given.Two-dimensional(2-D) finite element method(FEM) was used to investigate the static electromagnetic characteristics,and the characteristics of flux linkage,back electromotive force(EMF) and inductance were obtained.The ... |
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| Keywords: | primary permanent magnet linear machines finite element method thrust characteristics electromagnetic launch |
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