NDLI: Design Optimization of Permanent Magnet Actuator Using Multi-Phase Level-Set Model

Content Provider	IEEE Xplore Digital Library
Author	Sunghoon Lim Seungjae Min
Copyright Year	1965
Abstract	In this paper, a new approach to achieve the optimal design of a permanent magnetic actuator for maximizing the magnetic performance is presented. To consider three different materials such as permanent magnet, ferromagnetic material and air in design domain, the multi-phase level-set model representing two level set functions is employed. Each material's property is calculated in terms of relative magnetic reluctivity and remanent flux density for magnetostatic analysis. The optimization problem is formulated by the objective function for satisfying all of actuating conditions and the volume constraints of each material. Two level-set functions are updated with the time evolutional equation and the respective design sensitivities until the convergence conditions are satisfied. The structural design example of a permanent magnet actuator for a vacuum circuit breaker is performed to demonstrate the effectiveness of the presented method and an optimal configuration is obtained.
Sponsorship	IEEE Magnetics Society
Starting Page	1641
Ending Page	1644
Page Count	4
File Size	1015331
File Format	PDF
ISSN	00189464
Volume Number	48
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetostatics Magnetic cores Magnetic domains Frequency modulation Magnetic separation Optimization Materials permanent magnet actuator Level-set based design optimization multi-material design multi-phase level-set model
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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