A science-based structural integrity prognosis system (SIPS) is being developed to provide prompt, informed predictions of the structural viability of individual aircraft based on tracking of their actual use and modeling of anticipated usage. The work is motivated by the need for more efficient use of expensive assets and for enhanced combat readiness of critical vehicles. The prognosis system will be founded on a collaboration between sensor systems, advanced reasoning methods for data fusion and signal interpretation, and modeling and simulation systems. The modeling technology being developed for this program is based on a fundamental understanding of the fatigue process, and traces the structural degradation caused by fatigue back to its physical origins in the microstructure of the metallic component. Sensor systems designed to detect the earliest stages of fatigue damage provide needed input for the models, and the data from the models and the sensors are combined by the reasoning and prediction (RAP) system. The RAP system employs novel reasoning approaches for combining uncertain knowledge from the models and the sensors into a prediction of remaining useful life.


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    Titel :

    A structural integrity prognosis system


    Weitere Titelangaben:

    Prognosesystem für die Integrität einer Konstruktion


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2009


    Format / Umfang :

    13 Seiten, 15 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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