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An online simplified rotor resistance estimator for induction motors / Kenne, Godpromesse in IEEE Transactions on control systems technology, Vol. 18 N° 5 (Septembre 2010) 

Public ISBD [article]  in IEEE Transactions on control systems technology > Vol. 18 N° 5 (Septembre 2010) . - pp. 1188-1194 Titre : An online simplified rotor resistance estimator for induction motors Type de document : texte imprimé Auteurs : Kenne, Godpromesse, Auteur ; Rostand Sorel Simo, Auteur ; Françoise Lamnabhi-Lagarrigue, Auteur Année de publication : 2011 Article en page(s) : pp. 1188-1194 Note générale : Génie Aérospatial Langues : Anglais (eng) Mots-clés : Equivalent  injection  term  Nonlinear  observer  Online  parameter  estimation Index. décimale : 629.1 Résumé : This brief presents an adaptive variable structure identifier that provides finite time convergent estimate of the induction motor rotor resistance under feasible persistent of excitation condition. The proposed rotor resistance scheme is based on the standard dynamic model of induction motor expressed in a fixed reference frame attached to the stator. The available variables are the rotor speed, the stator currents and voltages. Experiments show that the proposed method achieved very good estimation of the rotor resistance which is subjected to online large variation during operation of the induction motor. Also, the proposed online simplified rotor resistance estimator is robust with respect to the variation of the stator resistance, measurement noise, modeling errors, discretization effects and parameter uncertainties. Important advantages of the proposed algorithm include that it is an online method (the value of Rr can be continuously updated) and it is very simple to implement in real-time (this feature distinguishes the proposed identifier from the known ones). DEWEY : 629.1 ISSN : 1063-6536 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5308220 [article] An online simplified rotor resistance estimator for induction motors [texte imprimé] / Kenne, Godpromesse, Auteur ; Rostand Sorel Simo, Auteur ; Françoise Lamnabhi-Lagarrigue, Auteur . - 2011 . - pp. 1188-1194. Génie Aérospatial Langues : Anglais (eng) in IEEE Transactions on control systems technology > Vol. 18 N° 5 (Septembre 2010) . - pp. 1188-1194 Mots-clés : Equivalent  injection  term  Nonlinear  observer  Online  parameter  estimation Index. décimale : 629.1 Résumé : This brief presents an adaptive variable structure identifier that provides finite time convergent estimate of the induction motor rotor resistance under feasible persistent of excitation condition. The proposed rotor resistance scheme is based on the standard dynamic model of induction motor expressed in a fixed reference frame attached to the stator. The available variables are the rotor speed, the stator currents and voltages. Experiments show that the proposed method achieved very good estimation of the rotor resistance which is subjected to online large variation during operation of the induction motor. Also, the proposed online simplified rotor resistance estimator is robust with respect to the variation of the stator resistance, measurement noise, modeling errors, discretization effects and parameter uncertainties. Important advantages of the proposed algorithm include that it is an online method (the value of Rr can be continuously updated) and it is very simple to implement in real-time (this feature distinguishes the proposed identifier from the known ones). DEWEY : 629.1 ISSN : 1063-6536 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5308220