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Globally convergent nonlinear observer for the sensorless control of surface-mount Permanent Magnet Synchronous machines

Abstract : For a surface-mount Permanent Magnet Synchronous Motor (SM-PMSM) with currents and voltages as only measurements, we propose an observer estimating the rotor electrical phase. It comes from an appropriate choice of coordinates and exploits convexity. We prove its global convergence under the only assumption that the rotor does not stop. Experimental results assess the validity of the proposed observer.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00787791
Contributor : François Chaplais <>
Submitted on : Tuesday, February 12, 2013 - 11:06:27 PM
Last modification on : Thursday, September 24, 2020 - 5:04:18 PM

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  • HAL Id : hal-00787791, version 1

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Jérémy Malaizé, Nicolas Henwood, Laurent Praly. Globally convergent nonlinear observer for the sensorless control of surface-mount Permanent Magnet Synchronous machines. Conference on Decision and Control (2012), Dec 2012, United States. pp.5900- 5905. ⟨hal-00787791⟩

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