Study on Force-Transmissibility of a Magnetic Gear by Using 3-D Boundary Element Analysis

Masaru Oka; Takashi Todaka; Masato Enokizono

doi:10.4028/www.scientific.net/MSF.792.221

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Simplified Calculation Method of Planar Coil Impedance Considering the Eddy Current Distribution by Using Finite Element Method
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Study on Force-Transmissibility of a Magnetic Gear by Using 3-D Boundary Element Analysis
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HomeMaterials Science ForumMaterials Science Forum Vol. 792Study on Force-Transmissibility of a Magnetic Gear...

Study on Force-Transmissibility of a Magnetic Gear by Using 3-D Boundary Element Analysis

Abstract:

This paper presents three-dimensional boundary element analysis for coupled magnetic field and moving problem. The method is applied to improve transmission characteristics of a magnetic gear and the usefulness is demonstrated. The gear has two movers consisting of permanent magnets and they rotate with different velocity. The double gap moving problem is very time consuming, because the mesh has to be regenerated at each time step or prepared many patterns previously. The use of the boundary element method is suitable for this problem, because meshes are required around only surfaces of considering objects and the objects can be rotated any angle according to the moving simulation. In this paper, the technique to reduce unknown variables in the boundary element equations utilizing symmetrical construction is proposed.

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Periodical:

Materials Science Forum (Volume 792)

Pages:

221-226

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.792.221

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Online since:

August 2014

Authors:

Masaru Oka*, Takashi Todaka, Masato Enokizono

Keywords:

Magnetic Gear, Moving Problem, Permanent Magnet, Three-Dimensional BEM

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References

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