DocumentCode :
591654
Title :
Position estimation delays in signal injection-based sensorless PMSM drives
Author :
Cupertino, Francesco ; Guagnano, Alessandra ; Altomare, Antonio ; Pellegrino, Gianmario
Author_Institution :
DEE, Politec. di Bari, Bari, Italy
fYear :
2012
fDate :
21-22 Sept. 2012
Firstpage :
1
Lastpage :
6
Abstract :
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.
Keywords :
digital filters; permanent magnet motors; sensorless machine control; synchronous motor drives; digital filters; high frequency voltage signals; injection-based sensorless PMSM drives; inspection signals; permanent magnet synchronous machine; permanent magnet synchronous motor drive sensorless control; position estimation; stator current; Band pass filters; Delay; Estimation error; Permanent magnet motors; Sensorless control; Table lookup; Voltage control; Digital filters; Motion control; Motor drives; Permanent magnet machines; Phase-locked loops; Position control; Sensorless control; State observers;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Sensorless Control for Electrical Drives (SLED), 2012 IEEE Symposium on
Conference_Location :
Milwaukee, WI
ISSN :
2166-6725
Print_ISBN :
978-1-4673-2966-8
Type :
conf
DOI :
10.1109/SLED.2012.6422815
Filename :
6422815
Link To Document :
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