This paper describes a model-based approach to diagnosing electrical faults in electrical power systems. Until recently, model-based reasoning has only been applied to physical systems with static, persistent states, and with parts whose behavior can be expressed combinatorially, such as digital circuits. Our research is one of a handful of recent efforts to apply model-based reasoning to more complex systems, those whose behavior is difficult or impossible to express combinatorially, and whose states change continuously over time. The chosen approach to representation is loosely based on the idea of the equation network proposed in [6]. This requires a more complex component and behavior model than for simpler physical devices. The resulting system is being tested on fault data from the SSM/PMAD power system breadboard being developed at NASA-MSFC [9]. The model-based reasoning system within which the model of the SSM/PMAD is being developed is a version of KATE (Knowledge-based Autonomous Test Engineer), also developed by NASA (at KSC).


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    Titel :

    A Model-Based Fault Diagnostic and Control System for Spacecraft Power


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    27th Intersociety Energy Conversion Engineering Conference (1992) ; 1992



    Erscheinungsdatum :

    1992-08-03




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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