Two-Degree-Of-Freedom Image Motion Compensator For Shuttle-Based Pointing Experiments

Ludwig E. Schuster

doi:10.1117/12.944214

3 May 1988 Two-Degree-Of-Freedom Image Motion Compensator For Shuttle-Based Pointing Experiments

Ludwig E. Schuster

Proceedings Volume 0887, Acquisition, Tracking, and Pointing II; (1988) https://doi.org/10.1117/12.944214
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

A high bandwidth, sub-arc second, two degree of freedom image motion compensator has been developed to enhance pointing stability of shuttle based optical telescope experiments. The mechanism design includes a gimbal-type flex pivot suspension, a novel ironless two axis forcer and a differential capacitive tilt sensor system capable of sub-arcsecond performance. The image motion compensator was developed to permit the Ultraviolet Imaging Telescope sensor, part of the Astro-1 scientific instrument cluster, to maintain stringent pointing requirements for extended integration intervals while experiencing perturbations typical of those expected from a manned orbiter background. The servo control system, which encompasses other sensors and pointing capabilities, is briefly discussed.

Citation Download Citation

Ludwig E. Schuster "Two-Degree-Of-Freedom Image Motion Compensator For Shuttle-Based Pointing Experiments", Proc. SPIE 0887, Acquisition, Tracking, and Pointing II, (3 May 1988); https://doi.org/10.1117/12.944214

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