DocumentCode :
2246815
Title :
The design of Interior Permanent Magnet brushless motor control system based on finite element method
Author :
Fu, Changjiang ; Li, Zhenliang ; Zhang, Mingxing
Author_Institution :
Sch. of Mech. Eng., TianJin Univ. of Sci. & Technol., Tianjin, China
Volume :
3
fYear :
2010
fDate :
6-7 March 2010
Firstpage :
130
Lastpage :
133
Abstract :
The rotor of IPM (Interior Permanent Magnet) brushless motor is characterized with a high-strength structure so that the magnet is protected from centrifugal separation when running at a high speed; also, as designed a non-concentrically circular rotor to increase the motor torque output, there is a reluctance torque produced by the salient poles effect in addition to the electromagnetic torque generated by the interactive reaction between the magnet and the coil; however, such a consequence will lead to an increase of the cogging torque. Thus, this research explored the salient-pole interior permanent magnet by going through the modifications of appearance dimensions of motor rotor, application of equivalent magnetic-circuit analysis and finite element method to analyze the cogging torque in a bid to make the objective toward the cogging torque reduction in interior permanent magnet brushless motor achievable.
Keywords :
brushless DC motors; finite element analysis; permanent magnet motors; torque control; brushless motor control system; cogging torque; electromagnetic torque; equivalent magnetic-circuit analysis; finite element method; interior permanent magnet motor; motor torque output; nonconcentrically circular rotor; reluctance torque; Brushless motors; Control systems; Finite element methods; Forging; Magnetic analysis; Magnetic separation; Permanent magnet motors; Reluctance motors; Rotors; Torque; Cogging torque; Finite element method; Interior permanent magnet brushless motor; Salient pole effect;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Informatics in Control, Automation and Robotics (CAR), 2010 2nd International Asia Conference on
Conference_Location :
Wuhan
ISSN :
1948-3414
Print_ISBN :
978-1-4244-5192-0
Electronic_ISBN :
1948-3414
Type :
conf
DOI :
10.1109/CAR.2010.5456646
Filename :
5456646
Link To Document :
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