The mission of the Columbus Free Flyer includes active rendezvous maneuvers with the International Space Station Freedom. This imposes challenging safety requirements, which drive the design of the autonomous GNC (Guidance, Navigation, and Control) subsystem. The rendezvous safety philosophy is based on the safe trajectory principle. This means that, at any point in time, propulsion shutoff will lead to a free drift trajectory that does not intersect the flight path of Space Station Freedom. This concept allows a separation of nominal flight control functions from those functions required for safety check and abort of the rendezvous. The rendezvous scenario and the safety related requirements are reviewed and the proposed safety strategy and its hardware and software implementation in the GNC of the Columbus Free Flyer are shown.


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    Title :

    Safety Strategy and Implementation for the Rendezvous of the Columbus Free-Flyer with the Space Station Freedom


    Contributors:
    A. Kolkmeier (author) / W. Schnetzer (author)

    Publication date :

    1991


    Size :

    6 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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