紀要論文

最急降下法とレベルセット法を併用したトポロジー最適化手法によるIPMモータのマルチマテリアル構造最適化

MULTI-MATERIAL STRUCTURAL OPTIMIZATION OF IPM MOTOR USING TOPOLOGY OPTIMIZATION METHOD BASED ON STEEPEST DESCENT METHOD IN COMBINATION WITH LEVEL-SET METHOD

jpn

21879923

https://doi.org/10.15002/00023942

法政大学大学院理工学・工学研究科

法政大学大学院紀要. 理工学・工学研究科編

62

1

7

2021-03-24

Version of Record

ヘッダー部分に誤記 ; (誤) 法政大学大学院理工学・工学研究科紀要 Vol.60(2021年3月） (正) 法政大学大学院紀要. 理工学・工学研究科編 Vol.62(2021年3月）

Because the interior permanent magnet synchronous motor (IPMSM) is one of the most efficient motors, it is applied to many industrial machines. The electromagnetic characteristic of IPMSM is dependent on many design parameters such as the position and shape of flux barrier, the magnetization angle of permanent magnet, the current phase angle and so on. Then The topology optimization (TO), which is an attractive method due to the wide design range with high degree of freedom, is enthusiastically applied to the rotor design of IPMSM. In this paper, two stage TO method has been proposed. Firstly, to widely search the rotor structure, the steepest descent method (SDM) which handling gray scale is carried out. Next, the obtained structure is set to the initial structure of level-set method (LSM), the local search is carried out. The performance of proposed TO method composed of SDM and LSM is compared with the single TO method (SDM or LSM) in the design problem in which the object is the determination of the rotor structure composed of permanent magnet, rotor core and flux barrier to improve the torque characteristics and the magnet demagnetization.

Article

AA12677220