Study on a Permanent Magnet Bias Axial Magnetic Bearing

Xu Sheng Zhao; Jian Li

doi:10.4028/www.scientific.net/AMM.441.253

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 441Study on a Permanent Magnet Bias Axial Magnetic...

Study on a Permanent Magnet Bias Axial Magnetic Bearing

Abstract:

A permanent magnet bias axial magnetic bearing (PAMB) is introduced, the configuration and operation principle are analyzed; The equivalent magnetic circuit is established, the math expression of axial suspension force and some equations for carrying capacity, current stiffness and displacement stiffness are deduced; The parameters of the proposed prototype are also given. The magnetic field simulation is performed by using the Finite Element software. The theory analysis and the simulation results show that the presented PAMB has smaller volume, the control is easier; the parameters design is feasible and exact.

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Periodical:

Applied Mechanics and Materials (Volume 441)

Pages:

253-257

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.441.253

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Online since:

December 2013

Authors:

Xu Sheng Zhao, Jian Li

Keywords:

Equivalent Magnetic Circuit, Finite Element (FE) Simulation, Permanent Magnet Bias Axial Magnetic Bearing

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