Feedback Gain Design Method for the Full-Order Flux Observer in Sensorless Control of Induction Motor

Abderrahmane Bouhenna, Abdellah Mansouri, Mohammed Chenafa, Abdelkader Belaidi

Abstract


This paper deals with a feedback gain design method for the full-order flux observer with adaptive speed loop, which enables the minimizing the unstable operation region of this observer to a line in the torque-speed plane. The stability in regenerating mode is studied using necessary condition of stability based on determinant of matrix and a linearized model. Simulations results where the proposed observer is compared with an exiting solution (where the unstable region is not totally removed) are presented to validate the proposed observer design.

Keywords


Induction motor, full-order flux observer, sensorless control, stability analysis, adaptive speed estimator, regenerating mode

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References


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DOI: https://doi.org/10.15837/ijccc.2008.2.2382



Copyright (c) 2017 Abderrahmane Bouhenna, Abdellah Mansouri, Mohammed Chenafa, Abdelkader Belaidi

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