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Proceedings Paper

Low-order control for a precision space structure optical pointing system
Author(s): Philip G. Good; Mark J. Balas
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Paper Abstract

The spillover modes of a large flexible structure with high modal density can be stabilized by residual-mode filtering, as is presently illustrated for a reduced-order model of the Passive and Active Control of Space Structures program's Dynamic Test Article by means of an estimator and regulator that were developed via linear Quadratin Gaussian and loop-transfer recovery methods. The implementation of this controller on the full-order system generated spillover instabilities; the residual-mode filter was added to the control system without modification of the original controller, and stabilization was achieved.

Paper Details

Date Published: 10 July 1992
PDF: 11 pages
Proc. SPIE 1696, Controls for Optical Systems, (10 July 1992); doi: 10.1117/12.138145
Show Author Affiliations
Philip G. Good, Univ. of Colorado/Boulder and Martin Marietta Civil Space Co. (United States)
Mark J. Balas, Univ. of Colorado/Boulder (United States)

Published in SPIE Proceedings Vol. 1696:
Controls for Optical Systems
John A. Breakwell, Editor(s)

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