Xiaozhuo Xu, Jingzhou Li, Siyuan Jiang, Baoyu Du, Shengyang Ji
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引用次数: 0
摘要
为了改善多相永磁同步直线电机的推力特性,以15槽16极的五相U型随极永磁同步直线电机(FUCP-PMSLM)为研究对象,分析电机推力,优化设计参数。首先,采用等效磁路法比较了 U 型永磁电机与非等效永磁电机的气隙磁通密度,并从磁动力的角度分析了电机相数变化对电机推力的影响。其次,采用田口方法进行灵敏度分析,从七个设计参数中选取四个敏感参数作为优化变量,通过响应面方法拟合得到电机优化目标与优化变量之间的数学模型,并采用多目标遗传算法进行求解。有限元仿真结果表明,与初始电机相比,优化后电机的平均推力提高了 5.8%,推力纹波降低了 71.3%。最后,制作了实验样机并进行了测试,测试结果与仿真结果基本一致,验证了设计参数优化的有效性。
Thrust Characteristics Analysis and Parameter Optimization of Five-Phase U-Shaped Consequent-Pole PMSLM
In order to improve the thrust characteristics of the multi-phase permanent magnet synchronous linear motor, the five-phase U-shaped consequent-pole permanent magnet synchronous linear motor (FUCP-PMSLM) with 15-slot 16-pole is taken as the research object to analyze the motor thrust and optimize the design parameters. Firstly, the equivalent magnetic circuit method is used to compare the air gap flux density of the U-shaped permanent magnet motor with the non-salient permanent magnet motor, and the influence of the motor phase number changes on the motor thrust is analyzed from the perspective of the magnetomotive force. Secondly, the Taguchi method is used for sensitivity analysis, and four sensitive parameters are selected from seven design parameters as optimization variables, the mathematical model between the motor optimization objectives and optimization variables is obtained by response surface methodology fitting, the multi-objective genetic algorithm is used to solve the problem. The finite element simulation results show that, compared with the initial motor, the average thrust of the optimized motor is increased by 5.8% and the thrust ripple is decreased by 71.3%. Finally, an experimental prototype is fabricated and tested, the test results are basically consistent with the simulation results, which verifies the effectiveness of the design parameter optimization.
期刊介绍:
ournal of Electrical Engineering and Technology (JEET), which is the official publication of the Korean Institute of Electrical Engineers (KIEE) being published bimonthly, released the first issue in March 2006.The journal is open to submission from scholars and experts in the wide areas of electrical engineering technologies.
The scope of the journal includes all issues in the field of Electrical Engineering and Technology. Included are techniques for electrical power engineering, electrical machinery and energy conversion systems, electrophysics and applications, information and controls.