A new approach to multiple fault diagnosis: A combination of diagnostic matrices, graphs, algebraic and rule-based models. The case of two-layer models

• Autorzy: Ligęza A. , Kościelny J. M.
• Języki publikacji: EN

Abstrakty

EN

The diagnosis of multiple faults is significantly more difficult than singular fault diagnosis. However, in realistic industrial systems the possibility of simultaneous occurrence of multiple faults must be taken into account. This paper investigates some of the limitations of the diagnostic model based on the simple binary diagnostic matrix in the case of multiple faults. Several possible interpretations of the diagnostic matrix with rule-based systems are provided and analyzed. A proposal of an extension of the basic, single-level model based on diagnostic matrices to a two-level one, founded on causal analysis and incorporating an OR and an AND matrix is put forward. An approach to the diagnosis of multiple faults based on inconsistency analysis is outlined, and a refinement procedure using a qualitative model of dependencies among system variables is sketched out.

Słowa kluczowe

EN

automated diagnosis; diagnostic matrix; diagnostic rules; model-based diagnosis; consistency-based diagnosis

PL

diagnoza zautomatyzowana; macierz diagnostyczna; zasady diagnostyczne; diagnoza na bazie modelu; diagnoza na bazie spójności

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mathematics and Computer Science
• Rocznik: 2008
• Tom: Vol. 18, no 4
• Strony: 465--476
• Opis fizyczny: Bibliogr. 21 poz., rys., tab.

Twórcy

autor

Ligęza A.

• Institute of Automatics, AGH University of Science and Technology, al. Mickiewicza 30, 30–059 Cracow, Poland

autor

Kościelny J. M.

• Institute of Automatic Control and Robotics, Warsaw University of Technology, ul. Św. Andrzeja Boboli 8, 02–525 Warsaw, Poland

Bibliografia

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