Permanent magnet synchronous drives observability analysis for motion-sensorless control

Authors: Mohamad Koteich, Abdelmalek Maloum, Gilles Duc, Guillaume Sandou

Conference: 6th IEEE International Symposium on Sensorless Control for Electrical Drives – SLED, Sydney, NSW, Australia, 7-8 June 2015.

DOI: 10.1109/SLED.2015.7339264

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Abstract: Motion-sensorless control techniques of electrical drives are attracting more attention in different industries. The local observability of sensorless permanent magnet synchronous drives is studied in this paper. A special interest is given to the standstill operation condition, where sensorless drives suffer of poor performance. Both, salient and non-salient machines are considered. The results are illustrated using numerical simulations.

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