To ensure high flight safety and mission reliability in flight-critical electronics of aerospace vehicles, a redundancy design technique named brick wall is discussed. Basically, the technique proposes triplex redundant, independent paths where each path can self-monitor its own health (by using a comparison scheme within each path). Upon a fault detection, the whole path is taken offline. The inherent high redundancy allows the achievement of stringent flight safety and mission reliability goals. The design also protects against hidden/unknown failure modes and sneak circuits. The design tradeoffs are made against higher maintenance rates, cost, and weight.<>


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    Titel :

    Redundancy design philosophy for catastrophic loss protection


    Beteiligte:
    Eagle, K.H. (Autor:in) / Agarwala, A.S. (Autor:in)


    Erscheinungsdatum :

    01.01.1992


    Format / Umfang :

    358298 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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