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Real-time Estimation of Rotor Time Constant and Flux of an Induction Motor: Experimental Results

Abstract : In this study, a reduced-order discrete-time Extended Sliding Mode Observer (ESMO) is introduced for on-line estimation of rotor fluxes and rotor time constant. The satisfying simulations and experimental results carried out on a 5.5 kW induction motor demonstrate the excellent performance and high robustness of the proposed ESMO against parameter variations, modeling uncertainty and measurement noise. It is concluded that the implementation in real-time of this reduced-order ESMO in the industrial applications, compared with the full-order ESMO, permit on the one hand to overcome the heavy computational effort, complexity and hard tuning of the estimation algorithm and on the other hand, to reduce the execution time of the observation with a good accuracy and considerable rapidity.
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https://hal.archives-ouvertes.fr/hal-00704604
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Submitted on : Tuesday, June 5, 2012 - 5:31:07 PM
Last modification on : Tuesday, April 7, 2020 - 2:00:31 AM

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  • HAL Id : hal-00704604, version 1

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Olivier Asseu, A. Tanoh, Malandon Koffi, Zié Yeo, Theophile Ori, et al.. Real-time Estimation of Rotor Time Constant and Flux of an Induction Motor: Experimental Results. Asian Journal of Applied Sciences, 2010, 3 (1), pp.25 - 34. ⟨hal-00704604⟩

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