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Proceedings Paper

Studies on distributed sensing and processing for the control of large flexible spacecraft
Author(s): Raymond C. Montgomery; David Ghosh
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Paper Abstract

Technology is being developed to process signals from distributed sensors using distributed computations. These distributed sensors provide a new feedback capability for vibration control that has not been exploited. Additionally, the sensors proposed are of an optical and distributed nature and could be employed with known techniques of distributed optical computation (Fourier optics, etc.) to accomplish the control system functions of filtering and regulation in a distributed computer. This paper reviews a procedure for the analytic design of control systems for this application. For illustration, the procedure is applied to the problem of suppressing the vibrations of a simply supported beam. A simulator has been developed to study the effects of sensor and processing errors. An extensive study of the effects of these errors on estimation and regulation performance is presented.

Paper Details

Date Published: 1 July 1991
PDF: 12 pages
Proc. SPIE 1480, Sensors and Sensor Integration, (1 July 1991); doi: 10.1117/12.46499
Show Author Affiliations
Raymond C. Montgomery, NASA/Langley Research Ctr. (United States)
David Ghosh, NASA/Langley Research Ctr. (United States)

Published in SPIE Proceedings Vol. 1480:
Sensors and Sensor Integration
Peter D. Dean, Editor(s)

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