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Robust unknown input observer for nonlinear systems and its application to fault detection and isolation / S. Mondal in Transactions of the ASME . Journal of dynamic systems, measurement, and control, Vol. 130 n°4 (Juillet 2008) 

Public ISBD [article]  in Transactions of the ASME . Journal of dynamic systems, measurement, and control > Vol. 130 n°4 (Juillet 2008) . - 5 p. Titre : Robust unknown input observer for nonlinear systems and its application to fault detection and isolation Type de document : texte imprimé Auteurs : S. Mondal, Auteur ; G. Chakraborty, Auteur ; K. Bhattacharyya, Auteur Année de publication : 2008 Article en page(s) : 5 p. Note générale : dynamic systems Langues : Anglais (eng) Mots-clés : theorems  (mathematics);  noise  (sound);  actuators;  nonlinear  systems;  flaw  detection;  algorithms;  linear  matrix  inequalities Résumé : A robust unknown input observer for a nonlinear system whose nonlinear function satisfies the Lipschitz condition is designed based on linear matrix inequality approach. Both noise and uncertainties are taken into account in deriving the observer. A component fault detection and isolation scheme based on these observers is proposed. The effectiveness of the observer and the fault diagnosis scheme is shown by applying them for component fault diagnosis of an electrohydraulic actuator. En ligne : http://dynamicsystems.asmedigitalcollection.asme.org/issue.aspx?journalid=117&is [...] [article] Robust unknown input observer for nonlinear systems and its application to fault detection and isolation [texte imprimé] / S. Mondal, Auteur ; G. Chakraborty, Auteur ; K. Bhattacharyya, Auteur . - 2008 . - 5 p. dynamic systems Langues : Anglais (eng) in Transactions of the ASME . Journal of dynamic systems, measurement, and control > Vol. 130 n°4 (Juillet 2008) . - 5 p. Mots-clés : theorems  (mathematics);  noise  (sound);  actuators;  nonlinear  systems;  flaw  detection;  algorithms;  linear  matrix  inequalities Résumé : A robust unknown input observer for a nonlinear system whose nonlinear function satisfies the Lipschitz condition is designed based on linear matrix inequality approach. Both noise and uncertainties are taken into account in deriving the observer. A component fault detection and isolation scheme based on these observers is proposed. The effectiveness of the observer and the fault diagnosis scheme is shown by applying them for component fault diagnosis of an electrohydraulic actuator. En ligne : http://dynamicsystems.asmedigitalcollection.asme.org/issue.aspx?journalid=117&is [...]