Abstract This paper considers the problem of controlling both position and attitude states for a formation flying system using only thrusters. A coupled six degree of freedom position and attitude model is derived, where the coupling comes from the gravity gradient torque. Furthermore, the $ J_{2} $ perturbation, mass variation, thruster model, and thruster layout are considered. A globally stable chattering free sliding mode robust controller is designed with respect to functional bounded uncertainties. Based on the studies of open-loop responses, the range of control parameters is properly selected to avoid thruster saturation. A genetic algorithm is then applied to select the controller parameters. Both position and attitude states in a formation are precisely and continuously controlled for more than two years without recharging, using the selected electronic ion engine.


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    Titel :

    Sliding Mode Control and Optimization for Six DOF Satellite Formation Flying Considering Saturation


    Beteiligte:
    Xu, Yunjun (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2005




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch



    Klassifikation :

    Lokalklassifikation TIB:    770/7040
    BKL:    55.60 Raumfahrttechnik