NASA Langley Research Center is developing key structures and mechanisms technologies for micron-accuracy, in-space deployment of future science instruments. Achieving micron-accuracy deployment requires significant advancements in deployment mechanism design such as the revolute joint presented herein. The joint presented herein exhibits a load-cycling response that is essentially linear with less than two percent hysteresis, and the joint rotates with less than 7 Nmm of resistance. A prototype reflector metering truss incorporating the joint exhibits only a few microns of kinematic error under repeated deployment and impulse loading. No other mechanically deployable structure found in the literature has been demonstrated to be this kinematically accurate.


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    Title :

    A revolute joint with linear load-displacement response for precision deployable structures


    Additional title:

    Gelenkverbindung mit linearer Last-Weg-Charakteristik für Präzisions-Dislozierungskonstruktionen


    Contributors:
    Lake, M.S. (author) / Warren, P.A. (author) / Peterson, L.D. (author)


    Publication date :

    1996


    Size :

    9 Seiten, 12 Bilder, 14 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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