Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11608
Title: General analytical method for magnetic field analysis of Halbach magnet arrays based on magnetic scalar potential
Authors: Jin, P
Yuan, Y
Lin, H
Fang, S
Ho, SL 
Keywords: Halbach magnet array
Harmonic analysis
Magnetic scalar potential
Synthetic boundary condition
Issue Date: 2013
Source: Journal of magnetics, 2013, v. 18, no. 2, p. 95-104 How to cite?
Journal: Journal of Magnetics 
Abstract: This paper presents a general analytical method for predicting the magnetic fields of different Halbach magnet arrays with or without back iron mounted on slotless permanent magnet (PM) linear machines. By using Fourier decomposition, the magnetization components of four typical Halbach magnet arrays are determined. By applying special synthetic boundary conditions on the PM surfaces, the expressions of their magnetic field distributions are derived based on the magnetic scalar potential (MSP), which are simpler than those based on the magnetic vector potential (MVP). The correctness of the method is validated by finite element analysis. The harmonics of airgap flux density waveforms of these Halbach magnet arrays with or without back iron are also compared and optimized.
URI: http://hdl.handle.net/10397/11608
ISSN: 1226-1750
DOI: 10.4283/JMAG.2013.18.2.095
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