Details of the Manned Maneuvering Unit (MMU) and its use is discussed. MMU simulations in the Space Operations Simulator (SOS) use two major devices. The first is a six-degree-of-freedom moving base carriage that allows the trainee freedom to fly the MMU in a large room and to match rates and dock with full scale targets. The second device is a large screen television display that provides the trainee with accurate views of tumbling targets from any point in a surrounding sphere up to 300 meters (1000 feet) in diameter. Astronauts used the SOS to train for the Solar Max repair mission and are now using it to train for a mission to recover the Palapa-B communications satellite. Subjective comparisons by astronauts of an orbit MMU performance to simulated MMU performance in the SOS indicate that the simulations are very realistic. Data from the Solar Max mission have resulted in two software upgrades that increase SOS fidelity for the next MMU mission: a model of contact dynamics between the MMU and a target spacecraft, and a model of MMU plume impingement forces during docking.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Manned maneuvering unit simulations on the Space Operations Simulator


    Contributors:
    Hartley, C. (author) / Cwynar, D. (author) / Ray, L. (author)


    Publication date :

    1984-01-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




    Manned maneuvering unit

    Bergonz, F. | NTRS | 1982


    Computer Simulation of On-Orbit Manned Maneuvering Unit Operations

    Stuart, Gary M. / Garcia, Kathy D. | SAE Technical Papers | 1986




    Manned maneuvering unit - A space platform support system

    WHITSETT, JR., C. / LENDA, J. / JOSEPHSON, J. | AIAA | 1978