平板型永磁直线同步电机推力特性的优化设计

doi:10.19595/j.cnki.1000-6753.tces.201130

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摘要为了抑制永磁直线同步电机的推力波动,提升平均推力,以12槽10极平板型永磁同步直线电机为研究对象,对电机的设计参数进行优化。首先,采用Taguchi法的敏感性分析,从12个设计参数中选出6个敏感参数,确定为优化变量。然后,通过Kriging模型辅助的多目标粒子群优化,获得推力波动和平均推力的Pareto前沿。结果显示,与原始电机相比,优化后的永磁同步直线电机的推力波动减小了64%,且平均推力提升了6.6%。配合斜极,推力波动减小量可进一步达到92%。最后通过实验验证了电机性能的改善。

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	李雄松
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	黄守道

关键词 ：永磁直线同步电机, 有限元分析, 推力波动, Kriging模型, 多目标粒子群优化

Abstract：In order to reduce the thrust ripple and increase the average thrust of the permanent magnet linear synchronous motor (PMLSM), a 12-slot 10-pole flat-type PMLSM is taken as the research object to optimize the design parameters. Firstly, the analysis of sensitivity based on the Taguchi method is adopted, six sensitive parameters are selected from twelve design parameters and determined as optimization variables. Then, the multi-objective particle swarm optimization assisted by the Kriging model is used to get the Pareto frontier of thrust ripple and average thrust. The results show that the optimized PMLSM reduces the thrust ripple by 64% while the average thrust increases by 6.6% compared with the original one. With the skew pole, the thrust ripple can be further reduced by 92%. Finally, the improvement of motor is verified through experiments.

Key words： Permanent magnet linear synchronous motor finite element analysis thrust ripple Kriging model multi-objective particle swarm optimization

收稿日期: 2020-08-31

PACS:

TM359.4

基金资助:2020年湖南省杰出青年科学基金资助项目（2020JJ2005）

通讯作者: 刘晓,男,1981年生,教授,博士生导师,研究方向为直驱电机系统、新型电机设计与控制、可再生能源发电、磁性传动系统。

作者简介: 李雄松,男,1993年生,硕士研究生,研究方向为直线电机优化设计。E-mail：xiongsong_li@hnu.edu.cn

引用本文:

李雄松, 崔鹤松, 胡纯福, 刘晓, 黄守道. 平板型永磁直线同步电机推力特性的优化设计[J]. 电工技术学报, 2021, 36(5): 916-923. Li Xiongsong, Cui Hesong, Hu Chunfu, Liu Xiao, Huang Shoudao. Optimal Design of Thrust Characteristics of Flat-Type Permanent Magnet Linear Synchronous Motor. Transactions of China Electrotechnical Society, 2021, 36(5): 916-923.

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