Position estimation delays in signal injection-based sensorless PMSM drives

被引：0
|
作者：
Cupertino, F. [1 ]
Guagnano, A. [1 ]
Altomare, A. [1 ]
Pellegrino, G.
机构：
[1] Politecn Bari, DEE, Bari, Italy
来源：
2012 IEEE SYMPOSIUM ON SENSORLESS CONTROL FOR ELECTRICAL DRIVES (SLED) | 2012年
关键词：
Sensorless control; Permanent magnet machines; Motor drives; Motion control; Position control; Digital filters; Phase-locked loops; State observers; MACHINES; INDUCTION; MOTOR;
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 causes of position estimation delays and their effects on the sensorless control of permanent magnet synchronous motor drives are investigated. The position of a permanent magnet synchronous machine is estimated via the injection of high frequency voltage signals. The delays under investigation are due to the digital implementation of the control algorithm and to the digital filters adopted for decoupling the inspection signals from the fundamental components of the stator current measures. If not correctly modeled and compensated, such delays can reduce the performance of the control scheme. Experimental results are provided, proving the accuracy of the modeling approach and the effectiveness of the related compensation strategy.
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页数：6
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