消弱永磁驱动器齿槽转矩的斜极优化方法

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Abstract In this paper, the magnet skewing structure is adopted to reduce the cogging torque in permanent magnet drive. The analytical method is used to give the expression of the cogging torque. The quadratic polynomials are employed to construct response surface model based on the response obtained by the Ansys software and the central composite design (CCD) experiment method. Based on this model, the minimal cogging torque is taken as the optimal objective, and then the particle swarm optimization (PSO) algorithm is used to perform optimization and obtain the optimal structure parameters of the PMD. At last, the permanent magnet drive with magnet skewing structure is analyzed and optimized with above method. The results verify that the cogging torque can be notably reduced with this optimization method.

Key words： Permanent magnet drive magnet skewing response surface methodology finite element method particle swarm algorithm

Received: 04 December 2013 Published: 30 November 2015

PACS:

TP215

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	Shi Songning
	Wang Dazhi

Cite this article:

Shi Songning,Wang Dazhi. Magnet Skewing Optimization Method for Reducing Cogging Torque in Permanent Magnet Drive[J]. Transactions of China Electrotechnical Society, 2015, 30(22): 27-32.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2015/V30/I22/27

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