Novel fault detection criteria based on linear quadratic control performances

• Autorzy: Dušan Krokavec , Anna Filasová
• Języki publikacji: EN

Abstrakty

EN

This paper proposes a new approach to designing a relatively simple algorithmic fault detection system that is potentially applicable in embedded diagnostic structures. The method blends the LQ control principle with checking and evaluating unavoidable degradation in the sequence of discrete-time LQ control performance index values due to faults in actuators, sensors or system dynamics. Design conditions are derived, and direct computational forms of the algorithms are given. A simulation example subject to different types of failures is used to illustrate the design process and to demonstrate the effectiveness of the method.

Słowa kluczowe

EN

performance degradation; fault detection schemes; discrete-time systems; LQ control methods

• Wydawca: University of Zielona Gora Press
• Czasopismo: International Journal of Applied Mathematics and Computer Science
• Rocznik: 2012
• Tom: 22
• Numer: 4
• Strony: 929-938

Daty

wydano

2012

otrzymano

2011-07-07

poprawiono

2012-02-17

Twórcy

autor

Dušan Krokavec

• Department of Cybernetics and Artificial Intelligence, Faculty of Electrical Engineering and Informatics, Technical University of Košice, Letná 9/B, 042 00 Košice, Slovakia

autor

Anna Filasová

• Department of Cybernetics and Artificial Intelligence, Faculty of Electrical Engineering and Informatics, Technical University of Košice, Letná 9/B, 042 00 Košice, Slovakia

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Identyfikatory

DOI

10.2478/v10006-012-0069-7