The problem of position and attitude control of the Stewart platform based docking mechanism is considered motivated by its future application in space missions requiring the autonomous docking capability. The control design is initiated based on the framework of the intelligent flight control architecture being developed at NASA Ames Research Center. In this paper, the baseline position and attitude control system is designed using dynamic inversion with proportional-integral augmentation. The inverse dynamics uses a Newton-Euler formulation that includes the platform dynamics, the dynamics of the individual legs along with viscous friction in the joints. Simulation results are presented using forward dynamics simulated by a commercial physics engine that builds the system as individual elements with appropriate joints and uses constrained numerical integration,


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    Title :

    Dynamic Inversion based Control of a Docking Mechanism


    Contributors:

    Conference:

    AIAA GN&C ; 2006 ; Keystone, CO, United States


    Publication date :

    2006-01-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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