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2015 | 25 | 2 | 233-244
Tytuł artykułu

Robust sensor fault estimation for descriptor-LPV systems with unmeasurable gain scheduling functions: application to an anaerobic bioreactor

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
This paper addresses the design of a state estimation and sensor fault detection, isolation and fault estimation observer for descriptor-linear parameter varying (D-LPV) systems. In contrast to where the scheduling functions depend on some measurable time varying state, the proposed method considers the scheduling function depending on an unmeasurable state vector. In order to isolate, detect and estimate sensor faults, an augmented system is constructed by considering faults to be auxiliary state vectors. An unknown input LPV observer is designed to estimate simultaneously system states and faults. Sufficient conditions to guarantee stability and robustness against the uncertainty provided by the unmeasurable scheduling functions and the influence of disturbances are synthesized via a linear matrix inequality (LMI) formulation by considering H∞ and Lyapunov approaches. The performances of the proposed method are illustrated through the application to an anaerobic bioreactor model.
Rocznik
Tom
25
Numer
2
Strony
233-244
Opis fizyczny
Daty
wydano
2015
otrzymano
2014-03-14
poprawiono
2014-08-02
Twórcy
  • Electronic Department, Technological Institute of Tuxtla Gutierrez (ITTG), Tecnológico Nacional de México, Carretera Panamericana km 1080, Col. Terán, CP 29050, Tuxtla Gutiérrez, Chiapas, Mexico
  • CRAN, UMR 7039, University of Lorraine, Campus Sciences, B.P. 70239, 54506 Vandoeuvre-lès-Nancy Cedex, France
  • CNRS, CRAN, UMR 7039, France
  • CRAN, UMR 7039, University of Lorraine, Campus Sciences, B.P. 70239, 54506 Vandoeuvre-lès-Nancy Cedex, France
  • CNRS, CRAN, UMR 7039, France
  • National Center of Research and Technological Development (CENIDET), Tecnológico Nacional de México, Internado Palmira s/n, Col. Palmira, CP 62490, Cuernavaca, Mor., Mexico
  • Electronic Department, Technological Institute of Tuxtla Gutierrez (ITTG), Tecnológico Nacional de México, Carretera Panamericana km 1080, Col. Terán, CP 29050, Tuxtla Gutiérrez, Chiapas, Mexico
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.bwnjournal-article-amcv25i2p233bwm
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