基于参数敏感度的双凸极永磁型双定子电机的优化设计和性能分析

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Abstract Combined with double stator motor theory and double salient permanent magnet motor theory, the double-salient permanent-magnet double-stator (DSPMDS) machine is suitable for electric vehicles (EVs). It has the advantages of high torque density, high power density and more flexible working modes. In view of the complex structure of the DSPMDS with two rotors and two air gaps, this paper presents the optimal design of the DSPMDS to obtain a low torque ripple and high power density. The sizing equation is derived and the initial design dimensions are determined. The parametric model of the machine is built up. By using optimization method of multi-objective sensitivity, the key structure size parameters are screened that affect the torque ripple and core loss obviously. Then the optimal structure size parameters are determined by further using response surface method. By means of the finite-element method, the electromagnetic performance of the DSPMDS is investigated. Both the results of finite-element analysis and experiments verified the design method and the theoretical analysis, which enrich the fast design and optimization way of the complex PM motor.

Key words： Double-salient permanent-magnet double-stator motor, multi-objective sensitivity, response surface method, electromagnetic characteristics

Received: 14 October 2015 Published: 02 May 2017

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TM351

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	Chen Yunyun
	Zhu Xiaoyong
	Quan Li
	Han Xu
	He Xiaojie

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Chen Yunyun,Zhu Xiaoyong,Quan Li等. Parameter Sensitivity Optimization Design and Performance Analysis of Double-Salient Permanent-Magnet Double-Stator Machine[J]. Transactions of China Electrotechnical Society, 2017, 32(8): 160-168.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I8/160

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