3-D analytical and numerical modeling of tubular actuators with skewed permanent magnets

B.L.J. Gysen, K.J. Meessen, J.J.H. Paulides, E. Lomonova

Research output: Contribution to journalArticleAcademicpeer-review

29 Citations (Scopus)
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Abstract

This paper considers analytical and numerical techniques to model the magnetic field distribution in a tubular actuator with skewed permanent magnets (PMs). A fast 3-D analytical model based on Fourier analysis is developed for calculation of the various field components resulting from the skewed PMs for various skewing topologies. This techniques provides means for validating the assumptions of 2.5-D multilayer methods. Furthermore, a 2.5-D analytical multilayer model is derived for calculation of the cogging force due to the slot openings including skewed PMs. The analytical methods are validated by means of 3-D finite element analysis.
Original languageEnglish
Pages (from-to)2200-2212
Number of pages13
JournalIEEE Transactions on Magnetics
Volume47
Issue number9
DOIs
Publication statusPublished - 2011

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