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

doi:10.1109/TMAG.2011.2139220

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

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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 language	English
Pages (from-to)	2200-2212
Number of pages	13
Journal	IEEE Transactions on Magnetics
Volume	47
Issue number	9
DOIs	https://doi.org/10.1109/TMAG.2011.2139220
Publication status	Published - 2011

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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.",

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

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