ANALYTICAL PREDICTION OF THE COGGING TORQUE IN RADIAL-FIELD PERMANENT-MAGNET BRUSHLESS MOTORS

被引：166
|
作者：
ZHU, ZQ
HOWE, D
机构：
[1] Department of Electronic and Electrical Engineering University of Sheffield, Sheffield, S1 3JD
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1992年 / 28卷 / 02期
关键词：
Electric motors;
D O I：
10.1109/20.123947
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：
A method for predicting the cogging torque in radial-field permanent magnet brushless motors, based on the analytical calculation of the airgap field distribution and the net lateral force acting on the stator teeth, is developed and validated. The technique is applicable to both internal and external rotor motor topologies, modelled in a cylindrical coordinate system. It can also cater with variants to the basic motor topologies, such as those with shifted magnets (ie. spaced unsymmetrically) or unevenly distributed stator slots etc, and as such can enable design features aimed at reducing the level of cogging torque to be evaluated.
引用
收藏
页码：1371 / 1374
页数：4
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