Zero-Gyro safemode controller for the Hubble Space Telescope

Details Zero-Gyro safemode controller for the Hubble Space Telescope Zero-Gyro safemode controller for the Hubble Space Telescope

Jul 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994jgcd...17..815m&link_type=abstract

Journal of Guidance, Control, and Dynamics (ISSN 0731-5090), vol. 17, no. 4, p. 815-822

Physics

Control Systems Design, Controllers, Fail-Safe Systems, Hubble Space Telescope, Satellite Attitude Control, Algorithms, Fault Detection, Gyroscopes, Redundancy, Systems Stability

Scientific paper

A safehold mode has been implemented for Hubble Space Telescope that ensures a power-positive and thermally safe state without the use of rate gyros. This paper presents an overview of this zero-gyro sunpoint safemode, followed by details of the algorithm, the control system design, and results of simulations and of an on-orbit test of the algorithm.

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