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A new diagnostic model for identifying parametric faults / Rajamani Doraiswami in IEEE Transactions on control systems technology, Vol. 18 N° 3 (Mai 2010) 

Public ISBD [article]  in IEEE Transactions on control systems technology > Vol. 18 N° 3 (Mai 2010) . - pp. 533-544 Titre : A new diagnostic model for identifying parametric faults Type de document : texte imprimé Auteurs : Rajamani Doraiswami, Auteur ; Chris P. Diduch, Auteur ; Jiong Tang, Auteur Année de publication : 2011 Article en page(s) : pp. 533-544 Note générale : Génie Aérospatial Langues : Anglais (eng) Mots-clés : Faillure  detection  and  isolation  (FDI)  Fault  diagnosis  Least  squares  estimation  Parametric  faults  Parity  equations  System  identification Index. décimale : 629.1 Résumé : This paper presents a new approach to failure detection and isolation (FDI) for systems modeled as an interconnection of subsystems that are each subject to parametric faults. This paper develops the concept of a diagnostic model and the concept of a fault emulator which are used to model and parameterize subsystem faults. There are two stages to the FDI scheme. In the first stage there is a requirement to identify the diagnostic model. Once identified, the diagnostic model is used in the second stage to generate a residual. Artifacts within the measured residual are then used as a basis for identifying parametric faults. The scheme is distinct from others as it does not require an online recursive least squares type identifier. DEWEY : 629.1 ISSN : 1063-6536 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5208200 [article] A new diagnostic model for identifying parametric faults [texte imprimé] / Rajamani Doraiswami, Auteur ; Chris P. Diduch, Auteur ; Jiong Tang, Auteur . - 2011 . - pp. 533-544. Génie Aérospatial Langues : Anglais (eng) in IEEE Transactions on control systems technology > Vol. 18 N° 3 (Mai 2010) . - pp. 533-544 Mots-clés : Faillure  detection  and  isolation  (FDI)  Fault  diagnosis  Least  squares  estimation  Parametric  faults  Parity  equations  System  identification Index. décimale : 629.1 Résumé : This paper presents a new approach to failure detection and isolation (FDI) for systems modeled as an interconnection of subsystems that are each subject to parametric faults. This paper develops the concept of a diagnostic model and the concept of a fault emulator which are used to model and parameterize subsystem faults. There are two stages to the FDI scheme. In the first stage there is a requirement to identify the diagnostic model. Once identified, the diagnostic model is used in the second stage to generate a residual. Artifacts within the measured residual are then used as a basis for identifying parametric faults. The scheme is distinct from others as it does not require an online recursive least squares type identifier. DEWEY : 629.1 ISSN : 1063-6536 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5208200