In this paper the problem of maneuvering a flexible spacecraft through a large angle is considered, where the disturbance-accommodating feedback control tracks a desired output state. The desired output state is provided from an open-loop solution for the linear system model. The components of the disturbance vector are assumed to be represented in terms of Fourier series. Closed-form solutions are provided for the Ricati, prefilter, state trajectory, and residual state trajectory equations which define the optimal control. Example maneuvers are presented where control-rate penalties have been included in the performance index for frequency-shaping, in order to smooth both the open- and closed-loop control commands.


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    Title :

    Disturbance-accommodating tracking maneuvers of flexible spacecraft


    Contributors:
    Turner, J. D. (author) / Juang, J.-N. (author) / Chun, H. M. (author)


    Publication date :

    1985-06-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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