A new current control algorithm for torque ripple reduction of BLDC motors

被引：0
|
作者：
Kim, TS [1 ]
Ahn, SC [1 ]
Hyun, DS [1 ]
机构：
[1] Hanyang Univ, Dept Elect Engn, Seongdong Ku, Seoul 133791, South Korea
来源：
IECON'01: 27TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY, VOLS 1-3 | 2001年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
The BLDC (Brushless DC) Motor is characterized by linear torque to current and speed to voltage. It has low acoustic noise and fast dynamic response. Moreover, it has high power density with high proportion of torque to inertia in spite of small size drive. However, when armature current is commutated, the current ripple is generated by the motor inductance components in stator windings and back-EMF. This current ripple caused to torque ripple. Therefore, it is difficult to apply the BLDC motor to a precision servo drive system. In this paper, a new current control algorithm using fourier series coefficients is proposed. This proposed algorithm can minimize torque ripple due to the phase current commutation of BLDC motor. Simulation and Experimental results prove the effectiveness at the proposed algorithm through comparison with the conventional unipolar PWM method.
引用
收藏
页码：1521 / 1526
页数：4
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