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Random Walk와 Simplex 방법을 이용한 V-shape 매입형 영구자석 동기전동기의 코깅토크 저감 최적 설계
오제민(Je Min Oh),방태경(Tae-Kyoung Bang),신경훈(Kyung-Hun Shin),최장영(Jang-Young Choi),조한욱(Han-Wook Cho) 대한전기학회 2021 전기학회논문지 Vol.70 No.1
This paper presents random walk and simplex optimization algorithm on an optimal design of V-shape interior permanent synchronous motor (V-shape IPMSM). The IPMSM can easily generates a cogging torque because of change in magnetic circuit by interaction between permanent magnets and stator slots. Therefore minimization of the cogging torque, which generates vibration and noise, is an important factor in design of IPMSM. This paper proposes the optimal shape design of V-shape IPMSM using random walk and simplex method for minimizing cogging torque.
10MW급 능동 차폐형 초전도 발전기 계자 전자석의 최적 설계
방태경(Tae-Kyoung Bang),이정인(Jeong-In Lee),장강현(Gang-Hyeon Jan),오제민(Je-Min Oh),최장영(Jang-Young Choi),조한욱(Han-Wook Cho) 대한전기학회 2021 전기학회논문지 Vol.70 No.2
In this paper, an optimal design was performed to improve the power density and specific power of a superconducting generator for 10MW-class actively shielded wind turbine using the response surface method (RSM). The objective functions of optimal design for reducing the weight of the generator were selected as perpendicular magnetic flux density, output power, and terminal voltage. The design variables were selected as three variables: field coil aperture, shield coil aperture and superconducting coil pitch (between shield and field aperture), which have a great influence on the objective function. After that, optimal design points were derived within the optimal region, and verification was performed through finite element analysis(FEM).