The A129 integrated multiplex system (IMS) is a highly reliable computer system designed to implement automatic flight control, navigation, system monitoring, and other flight-critical and mission related tasks. The reliability of the IMS has been achieved through the development of hardware-implemented and software implemented fault-tolerance techniques which exploit several unique architectural and hardware characteristics. This paper describes the fault-tolerance design philosophy, the IMS architecture, the fault detection and fault recovery techniques, and the hardware and software structures. Also presented is a Markov reliability analysis which was used to quantify the reliability of the system.


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    Title :

    Fault Tolerant Computer System for the A129 Helicopter


    Contributors:

    Published in:

    Publication date :

    1985-03-01


    Size :

    3079405 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English