Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 46, Issue 6, Pages 1603-1606Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2010.2040251
Keywords
Finite-element analysis (FEA); magnetization direction; permanent magnet (PM); topology optimization
Funding
- JSPS Scientific Research (C) [19560142]
- Grants-in-Aid for Scientific Research [19560142] Funding Source: KAKEN
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This study introduces a design method for determining the optimized magnetization directions in 3-D magnetic systems. Based on a modified topology optimization method, discrete magnetizations are investigated in six directions (+/- x, +/- y, +/- z). The finite-element method is used for the 3-D magnetostatic field analysis. The proposed method is applied to the design of a magnet pattern having one-sided flux and the design results show that the optimized magnet pattern appears as one or two Halbach arrays according to the shape of the design domain. The optimization process is accomplished by using sequential linear programming and the adjoint variable method.
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