Classical and robust H(infinity) control redesign for the Hubble Space Telescope

Details Classical and robust H(infinity) control redesign for the Hubble Space Telescope Classical and robust H(infinity) control redesign for the Hubble Space Telescope

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992gnc..conf.1434w&link_type=abstract

IN: AIAA Guidance, Navigation and Control Conference, Hilton Head Island, SC, Aug. 10-12, 1992, Technical Papers. Pt. 3 (A92-551

Mathematics

Control Systems Design, Hubble Space Telescope, Optimal Control, Robustness (Mathematics), Solar Arrays, Vibration Damping, Actuators, Controllers, Pointing Control Systems, Structural Vibration

Scientific paper

A control redesign problem of the Hubble Space Telescope for reducing the effects of solar array vibrations on telescope pointing jitter is investigated. Both classical and H(infinity) control design methodologies are employed for such a control problem with a non-colocated actuator and sensor pair. This paper successfully demonstrates the effectiveness of a dipole concept for precision line-of-sight pointing control in the presence of significant structural vibrations. Proposed controllers with two dipoles effectively reduce the effects of the solar array induced disturbances at 0.12 Hz and 0.66 Hz on pointing jitter.

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