The problem of controller design for flexible spacecraft is addressed. Model-based compensators, which rely on the knowledge of the system parameters to tune the state estimator, are first considered, and are shown to have high sensitivity to parameter uncertainties. Three types of dissipative controllers, which use collocated actuators and sensors, are next considered. These controllers guarantee stability in the presence of unmodeled elastic modes and parameter uncertainties. A procedure is given for designing an optimal dissipative dynamic compensator, which can provide better performance while still retaining robust stability.


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    Title :

    Robust dissipative compensators for flexible spacecraft control


    Additional title:

    Kompensatoren zur flexiblen Luftraumkontrolle


    Contributors:
    Joshi, S.M. (author) / Maghami, P.G. (author)


    Publication date :

    1992


    Size :

    7 Seiten, 12 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English






    Dynamic dissipative compensators for multibody flexible space structures

    Kelkar, A.G. / Joshi, S.M. / Alberts, T.E. | Tema Archive | 1995


    Dynamic dissipative compensators for multibody flexible space structures

    Kelkar, A.G. / Joshi, S.M. / Alberts, T.E. | IEEE | 1995