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Wyszukujesz frazę "diagnosability" wg kryterium: Temat

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    Tytuł:
    A method for sensor placement taking into account diagnosability criteria
    Autorzy:
    Yassine, A. A.
    Ploix, S.
    Flaus, J.-M.
    Powiązania:
    https://bibliotekanauki.pl/articles/929893.pdf
    Data publikacji:
    2008
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    diagnostyka uszkodzeń
    diagnozowalność
    położenie sensora
    modelowanie strukturalne
    fault diagnosis
    diagnosability
    sensor placement
    structural modelling
    Opis:
    This paper presents a new approach to sensor placement based on diagnosability criteria. It is based on the study of structural matrices. Properties of structural matrices regarding detectability, discriminability and diagnosability are established in order to be used by sensor placement methods. The proposed approach manages any number of constraints modelled by linear or nonlinear equations and it does not require the design of analytical redundancy relations. Assuming that a constraint models a component and that the cost of the measurement of each variable is defined, a method determining sensor placements satisfying diagnosability specifications, where all the diagnosable, discriminable and detectable constraint sets are specified, is proposed. An application example dealing with a dynamical linear system is presented.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2008, 18, 4; 497-512
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    From structural analysis to observer-based residual generation for fault detection
    Autorzy:
    Pröll, S.
    Lunze, J.
    Jarmolowitz, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/330986.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    fault diagnosis
    structural analysis
    observer based diagnosis
    diagnosability analysis
    diagnostyka uszkodzeń
    analiza strukturalna
    analiza diagnostyczna
    Opis:
    This paper combines methods for the structural analysis of bipartite graphs with observer-based residual generation. The analysis of bipartite structure graphs leads to over-determined subsets of equations within a system model, which make it possible to compute residuals for fault detection. In observer-based diagnosis, by contrast, an observability analysis finds observable subsystems, for which residuals can be generated by state observers. This paper reveals a fundamental relationship between these two graph-theoretic approaches to diagnosability analysis and shows that for linear systems the structurally over-determined set of model equations equals the output connected part of the system. Moreover, a condition is proved which allows us to verify structural observability of a system by means of the corresponding bipartite graph. An important consequence of this result is a comprehensive approach to fault detection systems, which starts with finding the over-determined part of a given system by means of a bipartite structure graph and continues with designing an observer-based residual generator for the fault-detectable subsystem found in the first step.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2018, 28, 2; 233-245
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On-the-fly diagnosability analysis of bounded and unbounded labeled Petri nets using verifier nets
    Autorzy:
    Li, B.
    Khlif-Bouassida, M.
    Toguéyni, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/330272.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    fault diagnosis
    discrete event system
    labeled Petri nets
    on-the-fly diagnosability analysis
    verifier nets
    diagnostyka błędu
    układ zdarzeń dyskretnych
    sieci Petriego
    Opis:
    This paper considers the problem of diagnosability analysis of discrete event systems modeled by labeled Petri nets (LPNs). We assume that the LPN can be bounded or unbounded with no deadlock after firing any fault transition. Our approach is novel and presents the on-the-fly diagnosability analysis using verifier nets. For a given LPN model, the verifier net and its reachability graph (for a bounded LPN) or coverability graph (for an unbounded LPN) are built on-the-fly and in parallel for diagnosability analysis. As soon as a diagnosability decision is established, the construction is stopped. This approach achieves a compromise between computation limitations due to efficiency and combinatorial explosion and it is useful to implement an engineering approach to the diagnosability analysis of complex systems.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2018, 28, 2; 269-281
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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