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.
Hubble, bubble, toil and trouble: A reduced-order model based saga of the Hubble Space Telescope
01.01.1993
Aufsatz (Konferenz)
Keine Angabe
Englisch
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