Paper Title:
Estimation of Magnetization Distribution in Permanent Magnet of Brushless DC Motor
  Abstract

This paper proposes a method to estimate the magnetization distribution in permanent magnet of a Brushless DC motor when the excitation voltage of a magnetizer is changed. First, we show from the experimental results that there is an optimal excitation voltage to reduce the cogging torque of the motor. Next, we show that it is possible to estimate the magnetization distribution in the permanent magnet by using the measured flux density distribution and cogging torque.

  Info
Periodical
Edited by
A.G. Mamalis, M. Enokizono and A. Kladas
Pages
360-368
DOI
10.4028/www.scientific.net/MSF.670.360
Citation
T. Ishikawa, K. Yonetake, N. Kurita, M. Tsuchiya, "Estimation of Magnetization Distribution in Permanent Magnet of Brushless DC Motor", Materials Science Forum, Vol. 670, pp. 360-368, 2011
Online since
December 2010
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