Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Permanent Magnet Pole Shape Optimization for a 6MW BLDC Motor by using Response Surface Method (II)

RSM을 이용한 6MW BLDC용 영구자석의 형상 최적화 연구 (II)

  • Woo, Sung-Hyun (Department of Electrical Engineering, Hongik University) ;
  • Chung, Hyun-Koo (Department of Electrical Engineering, Hongik University) ;
  • Shin, Pan-Seok (Department of Electrical Engineering, Hongik University)
  • 우성현 (홍익대학교 전기공학과) ;
  • 정현구 (홍익대학교 전기공학과) ;
  • 신판석 (홍익대학교 전기공학과)
  • Published : 2008.07.16
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Abstract

An adaptive response surface method with Latin Hypercube sampling strategy is employed to optimize a magnet pole shape of large scale BLDC motor to minimize the cogging torque. The proposed algorithm consists of the multi-objective Pareto optimization and (1+${\lambda}$) evolution strategy to find the global optimal points with relatively fewer sampling data. In the adaptive RSM, an adaptive sampling point insertion method is developed utilizing the design sensitivities computed by using finite element method to get a reasonable response surface with a relatively small number of sampling points. The developed algorithm is applied to the shape optimization of PM poles for 6 MW BLDC motor, and the cogging torque is reduced to 19% of the initial one.

Keywords