H₋/H∞ fault detection observer design for a polytopic LPV system using the relative degree

• Autorzy: Zhou M. , Rodrigues M. , Shen Y. , Theilliol D.

Identyfikatory

DOI

10.2478/amcs-2018-0006

• Języki publikacji: EN

Abstrakty

EN

This paper proposes an H₋/H_∞ fault detection observer method by using generalized output for a class of polytopic linear parameter-varying (LPV) systems. As the main contribution, with the aid of the relative degree of output, a new output vector is generated by gathering the original output and its time derivative, and it is feasible to consider H₋ actuator fault sensitivity in the entire frequency for the new system. In order to improve actuator and sensor fault sensitivity as well as guarantee robustness against disturbances, simultaneously, an H₋/H_∞ fault detection observer is designed for the new LPV polytopic system. Besides, the design conditions of the proposed observer are transformed into an optimization problem by solving a set of linear matrix inequalities (LMIs). Numerical simulations are provided to illustrate the effectiveness of the proposed method.

Słowa kluczowe

EN

fault detection observer; polytopic LPV system; relative degree of output; actuator fault detection; sensor fault detection

PL

detekcja uszkodzeń; urządzenie wykonawcze; czujnik detekcji

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mathematics and Computer Science
• Rocznik: 2018
• Tom: Vol. 28, no. 1
• Strony: 83--95
• Opis fizyczny: Bibliogr. 43 poz., rys., wykr.

Twórcy

autor

Zhou M.

• School of Astronautics, Harbin Institute of Technology, Harbin 150001, PR China; Laboratory of Automatic Control (LAGEP), CNRS UMR 5007, Claude Bernard Lyon 1 University, 43 Boulevard du 11 Novembre 1918, F-69100 Villeurbanne, France

autor

Rodrigues M.

• Laboratory of Automatic Control (LAGEP), CNRS UMR 5007, Claude Bernard Lyon 1 University, 43 Boulevard du 11 Novembre 1918, F-69100 Villeurbanne, France

autor

Shen Y.

• School of Astronautics, Harbin Institute of Technology, Harbin 150001, PR China

autor

Theilliol D.

• Centre for Automatic Control of Nancy (CRAN), CNRS UMR 7039 University of Lorraine, F-54506 Vandoeuvre-les-Nancy, France

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).