Vibration Analysis of Permanent Magnet Motor Rotor System in Shearer Semi-Direct Drive Cutting Unite with Speed Controller and Multi- Excitation Forces

2021 ◽  
Vol 15 (3) ◽  
pp. 373-381
2012 ◽  
Vol 516-517 ◽  
pp. 1610-1613
Author(s):  
Bing Yi Zhang ◽  
Sen Wang ◽  
Gui Hong Feng

The paper attempts to present some effective methods to reduce cogging torque for low-speed and direct-drive(LSDD) permanent magnet motor.


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