Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34114
Title: Hysteresis effects of laminated steel materials on detent torque in permanent magnet motors
Authors: Li, YB
Niu, S 
Ho, SL 
Li, Y
Fu, WN 
Keywords: Detent torque
Finite-element analysis
Frictional torque
Hysteresis effect
Magnetic field
Permanent magnet
Issue Date: 2011
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on magnetics, 2011, v. 47, no. 10, 6027757, p. 3594-3597 How to cite?
Journal: IEEE transactions on magnetics 
Abstract: Hysteresis effects of laminated steel materials on the detent torque in permanent magnet (PM) motors are described physically. There are many methods to simulate hysteresis effects. However most studies only focus on loss calculation but not on other important issues. Based on field orientation interpolation method, four-quadrant hysteresis effects are taken into consideration in the proposed cogging torque computation. Simulation results using finite element analysis (FEA) show that laminated materials with high hysteresis effects give higher detent torque when compared to those with narrow hysteresis loops. Two brushed type PMDC motors, with a 4-pole, 22-slot configuration and with different laminated steel materials, are built, and their test data are used to validate the analysis.
URI: http://hdl.handle.net/10397/34114
ISSN: 0018-9464
EISSN: 1941-0069
DOI: 10.1109/TMAG.2011.2155633
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