Estimation of Magnetization Distribution in Permanent Magnet of Brushless DC Motor

被引：1
|
作者：
Ishikawa, Takeo [1 ]
Yonetake, Kouki [1 ]
Kurita, Nobuyuki [1 ]
Tsuchiya, Masahisa [2 ]
机构：
[1] Gunma Univ, 1-5-1 Tenjin, Gunma 3768515, Japan
[2] Tokyo Parts Ind Co LTD, Gunma 3768515, Japan
来源：
APPLIED ELECTROMAGNETIC ENGINEERING FOR MAGNETIC, SUPERCONDUCTING AND NANOMATERIALS | 2011年 / 670卷
关键词：
Magnetization state; Permanent magnet; Brushless DC motor; COGGING TORQUE;
D O I：
10.4028/www.scientific.net/MSF.670.360
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
引用
收藏
页码：360 / +
页数：2
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