Title :
A new technique for reducing cogging torque in EPS permanent magnet brushless DC motor
Author :
Jie, Wu ; Yun-Yan, Wang
Author_Institution :
Hubei Univ. of Technol., Wuhan
Abstract :
This paper establishes a mathematical model to fast compute the cogging torque in permanent magnet brushless DC (BLDC) motor. A novel rotor structure is presented to reduce the cogging torque effectively, and the computing waveforms of cogging torque are drawn. The validity of this technique is proved by the comparison of cogging torque for many cases with and without split skewed rotor.
Keywords :
automotive components; brushless DC motors; numerical analysis; permanent magnet motors; rotors; steering systems; torque; EPS permanent magnet brushless DC motor; cogging torque reduction; computing waveforms; mathematical model; rotor structure; Brushes; Brushless DC motors; Brushless motors; DC motors; Forging; Permanent magnet motors; Reluctance motors; Rotors; Teeth; Torque;
Conference_Titel :
Electrical Machines and Systems, 2007. ICEMS. International Conference on
Conference_Location :
Seoul
Print_ISBN :
978-89-86510-07-2
Electronic_ISBN :
978-89-86510-07-2
