The Earth Observing System (EOS) AM mission requires tight pointing knowledge to meet scientific objectives, in a spacecraft with low frequency flexible appendage modes. As the spacecraft controller reacts to various disturbance sources and as the inherent appendage modes are excited by this control action, verification of precision pointing knowledge becomes particularly challenging for the EOS-AM mission. As presently conceived, this verification includes a complementary set of multi-disciplinary analyses, hardware tests and real-time computer in the loop simulations, followed by collection and analysis of hardware test and flight data and supported by a comprehensive data base repository for validated program values.


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    Title :

    EOS-AM precision pointing verification


    Contributors:
    Throckmorton, A. (author) / Braknis, E. (author) / Bolek, J. (author)

    Publication date :

    1993-01-01



    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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