A top down approach was used to identify, compile, and develop avionics functional requirements for all flight and ground operational phases. Such requirements as safety mission critical functions and criteria, minimum redundancy levels, software memory sizing, power for tug and payload, data transfer between payload, tug, shuttle, and ground were established. Those functional requirements that related to avionics support of a particular function were compiled together under that support function heading. This unique approach provided both organizational efficiency and traceability back to the applicable operational phase and event. Each functional requirement was then allocated to the appropriate subsystems and its particular characteristics were quantified. (Author)


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    Title :

    Space Tug Avionics Definition Study. Volume 1: Executive Summary


    Publication date :

    1975


    Size :

    48 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English