The experimental identification of micron-level nonlinear joint mechanics and dynamics for a pin-clevis joint used in a precision, adaptive, deployable space structure are investigated. The force-state mapping method is used to identify the behavior of the joint under a preload. The results of applying a single tension-compression cycle to the joint under a tensile preload are presented. The observed micron-level behavior is highly nonlinear and involves all six rigid body motion degrees-of-freedom of the joint. It also suggests that at micron levels of motion modelling of the joint mechanics and dynamics must include the interactions between all internal joint components, such as the pin, bushings, and the joint node.


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    Title :

    Identification of nonlinear micron-level mechanics for a precision deployable joint


    Additional title:

    Erkennung nichtlinearer Mechanik auf Mikrometerniveau für eine wiederverschließbare Präzisions-Verbindung


    Contributors:


    Publication date :

    1994


    Size :

    8 Seiten, 14 Bilder, 1 Tabelle, 12 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English