Artificially hardened model of soft magnetic materials and its application to analysis of magnetic field

Chen, Shi Xin; Low, T.S.

doi:10.1109/20.312553

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2010

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“…The actual magnetic force equals to the analytical magnetic force is investigated by many researcher who used either finite element analysis or boundary element analysis. Generally, there are two methods used for analytic calculation of magnetic force: Maxwell stress method and virtual work method [2][3][4][5][6][7]. If large space area must be considered for magnetic field analysis, the Boundary Element Method can be favorably used to calculate the magnetic force [8,9].…”

Section: Introductionmentioning

confidence: 99%

Torque Analysis and Shape Optimization of Electromagnetic Clutch

Piao

Huang

Wang

et al. 2010

KEM

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This paper is devoted to the static friction torque of electromagnetic clutch. The torque maximization is also investigated by optimizing the geometrical shape of armature. For the purpose of designing and optimizing electromagnetic clutch, torque prediction is a very important factor. We construct an axi-symmetric FEM model to analyze static friction torque and use a torque tester to evaluate real torque. In this work, analytically predicted torque is compared with the experimental one to discuss the rationality of numerical process. The analytical result agrees well with experimental data, which proves the validity of the mathematical process. Through optimization of the shape of armature, we also improve the static torque of electromagnetic clutch about 30%.

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