The Pegasus air-launched space booster successfully completed its maiden flight on April 5, 1990. Many recent advances in digital avionics and computer technology simplified the vehicle and its testing. The single-string Pegasus avionics comprise multiple microcontroller-based remote units for controlling actuators, firing thrusters and pyrotechnics, and gathering telemetry arranged in a serial digital star network centered on the VMEBUS flight computer. Flight, aircraft, and test software is in C, with small amounts of FORTH and assembly language. A series of laboratory, simulation, mobile test bed, motor static firing, and captive flight tests verified that the avionics system was ready for free flight.


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    Title :

    The Pegasus avionics system design


    Additional title:

    Systementwurf für die Pegasus-Avionik


    Contributors:


    Publication date :

    1990


    Size :

    7 Seiten, 3 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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