응력을 고려한 고속회전 전동기 자속장벽의 형상 최적설계Shape Optimization of Flux Barrier for High Speed Motor Considering Mechanical Stress
- Other Titles
- Shape Optimization of Flux Barrier for High Speed Motor Considering Mechanical Stress
- Authors
- 오세안; 민승재; 홍정표
- Issue Date
- May-2012
- Publisher
- 한국자동차공학회
- Keywords
- Level set based shape optimization(레벨셋 기반 형상 최적설계); Interior permanent magnet synchronous motor(매입형 영구자석 동기 전동기); Stress constraint(응력 제한조건)
- Citation
- 2012 한국자동차공학회 부문종합 학술대회 논문집, no. , pp.1533 - 1535
- Indexed
- OTHER
- Journal Title
- 2012 한국자동차공학회 부문종합 학술대회 논문집
- Start Page
- 1533
- End Page
- 1535
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/165559
- Abstract
- An interior permanent magnet motor used in the high speed application has the mechanical problem in a flux barrier due to a centrifugal force. Since the shape of a flux barrier also has an influence to the magnetic performance, the design of a flux barrier should be performed considering both the magnetic and the mechanical performance. A material property is presented by the level set function with Heaviside function and the objective function is set to maximize an average torque under a maximum level of the stress constraint and a material usage. To obtain an optimum configuration, the level set boundaries are moved by a normal velocity from an optimality and convergence conditions and the augmented Lagrangian method is used to handle the nonlinear constraints. A design example shows that the proposed method can design the flux barrier effectively by considering both magnetic and mechanical performance.
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