The current feedforward compensation method for the cogging torque of permanent magnet synchronous motors

被引：0
|
作者：
Liu Xin [1 ]
Zhou Dong [1 ]
Zhang Pei [1 ]
Wang Rui [1 ]
机构：
[1] Beijing Inst Spacecraft Syst Engn, Beijing Key Lab Intelligent Space Robot Syst Tech, Beijing 100094, Peoples R China
来源：
2019 9TH IEEE ANNUAL INTERNATIONAL CONFERENCE ON CYBER TECHNOLOGY IN AUTOMATION, CONTROL, AND INTELLIGENT SYSTEMS (IEEE-CYBER 2019) | 2019年
关键词：
REDUCTION; ASYMMETRY;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The cogging torque is the inherent characteristic of permanent motors with the cogging. The cogging torque reduces the stability of the motor, especially in the status of the low speed. A compensation method based on the current feedforward is proposed in terms with the function between the torque and Q-Current by the method of Space Vector PWM of the permanent magnet synchronous motors. The relation equation between the cogging torque and the rotor angle is obtained by the experimental analysis. And then, the transfer function of the current closed-loop system is obtained by using the experiment data and the system identification method. The cogging torque compensation current is calculated by the forecast for the position of the rotor. The experiment results show that the presented method can effectively improve the stability of the motor speed.
引用
收藏
页码：1091 / 1095
页数：5
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