This paper addresses the problem of attitude tracking controller design of a rigid spacecraft, whose nonlinear equations of motion is considered directly without linearization. The modified Rodrigues parameters (MRP) is used as kinematic variables, which allows principal angle rotations up to 360/spl deg/. By applying nonlinear H/sub /spl infin// control theory, we design an attitude tracking controller which guarantees a prescribed L/sub 2/ gain performance for the closed-loop system. That is, the L/sub 2/ gain from exogenous disturbance to performance output is less than a scalar. To the best of our knowledge, this approach represents the first solution to the attitude tracking control problem for MRP representation. Numerical simulations are eventually included, and the results show that the derived nonlinear H/sub /spl infin// controller ensures global asymptotical stability and disturbance attenuation capacity of the closed-loop tracking error system.


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    Titel :

    Spacecraft attitude tracking control based on nonlinear H/sub /spl infin// control


    Beteiligte:
    Chuanjiang Li, (Autor:in) / Guangfu Ma, (Autor:in) / Bin Song, (Autor:in)


    Erscheinungsdatum :

    2006-01-01


    Format / Umfang :

    1300551 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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