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Proceedings Paper

Development Of A Shuttle Infrared Telescope Facility (SIRTF) Fine Guidance Sensor
Author(s): Phil M. Salomon; Kenneth R. LoreII; Thomas A. Glavich; Willis C. Goss
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Paper Abstract

Fine guidance technology development for the Shuttle Infrared Telescope Facility (SIRTF) centers upon the use of a single multiple-star-tracking sensor to provide the position information necessary to produce three-axis attitude control signals for precision payload pointing. Development of this guidance technology is a joint effort of the Jet Propulsion Laboratory (JPL) and the Ames Research Center. The JPL effort, described in this paper, is concerned with the development of a Fine Guidance Sensor that employs a high-density charge-coupled imaging device for producing position information signals by using star fields. Multiple star position information produces 3-axis position error signals that are used to update inertial reference gyros. The sensor employs advanced position interpolation algorithms to enhance field-of-view resolution and to correct for optical aberrations inherent in spatially chopped star images resulting from the telescope's movable secondary mirror. Operation of the sensor is under the control of a high-performance microcomputer that provides both autonomy and flexibility in a guidance application. Details of the technology involved in the development of the Fine Guidance Sensor as well as performance data are described in the paper.

Paper Details

Date Published: 3 April 1981
PDF: 16 pages
Proc. SPIE 0265, Shuttle Pointing of Electro-Optical Experiments, (3 April 1981);
Show Author Affiliations
Phil M. Salomon, California Institute of Technology (United States)
Kenneth R. LoreII, California Institute of Technology (United States)
Thomas A. Glavich, California Institute of Technology (United States)
Willis C. Goss, California Institute of Technology (United States)

Published in SPIE Proceedings Vol. 0265:
Shuttle Pointing of Electro-Optical Experiments
William Jerkovsky, Editor(s)

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