High gain observer for a three-cell chopper: Design and experimental results

Ghanes, Malek; Trabelsi, Mohamed; Lin-Shi, Xuefang; Barbot, Jean-Pierre; Rétif, Jean-Marie; Busawon, Krishna

Type de document :

Article dans une revue scientifique: Article original

DOI :

10.1002/rnc.3063

Titre :

High gain observer for a three-cell chopper: Design and experimental results

Auteur(s) :

Ghanes, Malek [Auteur]
Électronique et Commande des Systèmes Laboratoire [ECS-Lab]
Trabelsi, Mohamed [Auteur]
Lin-Shi, Xuefang [Auteur]
Ampère, Département Méthodes pour l'Ingénierie des Systèmes [MIS]
Barbot, Jean-Pierre [Auteur]
Électronique et Commande des Systèmes Laboratoire [ECS-Lab]
Non-Asymptotic estimation for online systems [NON-A]
Rétif, Jean-Marie [Auteur]
Ampère [AMPERE]
Busawon, Krishna [Auteur]

Titre de la revue :

International Journal of Robust and Nonlinear Control

Pagination :

1090-1103

Éditeur :

Wiley

Date de publication :

2013-09-16

ISSN :

1049-8923

Discipline(s) HAL :

Mathématiques [math]/Systèmes dynamiques [math.DS]

Résumé en anglais : [en]

As capacitor voltages are necessary for the three-cell DC-DC chopper control, the estimation of such voltages by an observer is attractive solution in terms of cost. However, due to the hybrid behavior of this structure, ...
Lire la suite >As capacitor voltages are necessary for the three-cell DC-DC chopper control, the estimation of such voltages by an observer is attractive solution in terms of cost. However, due to the hybrid behavior of this structure, the capacitor voltages may be partially or even not observable for a given switching configuration. In other words, the observability matrix associated to the capacitor voltages never has a full rank. In order to make the observer conceivable, this paper proposes a new design by establishing sufficient conditions under which the capacitor voltages can be reconstructed within appropriate specific switching sequence and not necessarily instantly. An interconnected high gain observer is then designed for the considered structure. Furthermore, the analysis of convergence is given according to specific switching sequence, and the bounds of the observer tuning parameters are numerically verified. A significant load current benchmark including a three-cell chopper is used as prototype to show the performance and the effectiveness of the proposed observer.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Collections :

Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189

Source :

Harvested from HAL

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