Low-order control of the Hubble Space Telescope (HST) to improve pointing performance in the presence of flexible solar array disturbances is demonstarted in this paper. Our controller is a disturbance accommodating controller (DAC) based on a reduced-order model (ROM) controller with a disturbance estimator and a residual mode filter (RMF). We achieve the performance goals with a very low-order multichannel controller as compared to the various Solar Array Gain Augmentation (SAGA) schemes used at present.


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    Title :

    Hubble, bubble, toil and trouble: A reduced-order model based saga of the Hubble Space Telescope


    Contributors:

    Publication date :

    1993-01-01



    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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