A robust predictive actuator fault-tolerant control scheme for Takagi-Sugeno fuzzy systems

• Autorzy: Witczak P. , Witczak M. , Korbicz J. , Aubrun Ch.

Identyfikatory

DOI

10.1515/bpasts-2015-0111

• Języki publikacji: EN

Abstrakty

EN

The paper deals with the problem of robust predictive fault-tolerant control for nonlinear discrete-time systems described by the Takagi-Sugeno models. The proposed approach is based on a triple stage procedure, i.e. it starts from fault estimation while the fault is compensated with a robust controller. The robust controller is designed without taking into account the input constraints related with the actuator saturation that may change due to its faulty behaviour. Thus, to check the compensation feasibility, the robust invariant set is developed, which takes into account the input constraints. If the current state does not belong to the robust invariant set, then suitable predictive control actions are performed in order to enhance the invariant set. This appealing phenomenon makes it possible to enlarge the domain of attraction, which makes the proposed approach an efficient solution for the fault-tolerant control. The final part of the paper shows an illustrative example regarding the application of the proposed approach to the twin-rotor system.

Słowa kluczowe

EN

fault diagnosis; fault identification; robust control; robust invariant set; predictive control; fault-tolerant control

PL

diagnostyka błędu; identyfikacja błędów; diagnostyka predykcyjna; kontrola tolerancji błędu

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2015
• Tom: Vol. 63, nr 4
• Strony: 977--987
• Opis fizyczny: Bibliogr. 41 poz., rys.

Twórcy

autor

Witczak P.

• Institute of Control and Computation Engineering, University of Zielona Góra, 9 Licealna St., 65-417 Zielona Góra, Poland

autor

Witczak M.

• Institute of Control and Computation Engineering, University of Zielona Góra, 9 Licealna St., 65-417 Zielona Góra, Poland
• [e-mail]

autor

Korbicz J.

• Institute of Control and Computation Engineering, University of Zielona Góra, 9 Licealna St., 65-417 Zielona Góra, Poland

autor

Aubrun Ch.

• Universite de Lorraine, CRAN, UMR 7039, Campus Sciences, BP70239, Vandoeuvre-les-Nancy Cedex 54506, France

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