Future NASA missions will require large space structures that must maintain accurate surface tolerances for up to 20 years; most flight programs require a ground test verification of the hardware. Because of the influence of gravity, the current state-of-the-art ground test technology cannot accurately determine whether the hardware complies with the requirements. The incorporation of adaptive structures into the spacecraft will enable a relaxation of the ground test requirements necessary to validate the hardware for flight. This paper describes the challenges in testing large precision structures, adaptive structures, the data establishing the current state of the art in ground testing, and the utilization of adaptive structures to alleviate the ground test requirements.


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    Title :

    Using adaptive structures to enable future missions by relaxing ground test requirements


    Contributors:


    Publication date :

    1991-12-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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