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Proceedings Paper

Reliable design of H2 optimal reduced-order controllers via a homotopy algorithm
Author(s): Emmanuel G. Collins; Stephen Richter; Lawrence D. Davis
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Paper Abstract

Due to control processor limitations, the design of reduced-order controllers is an active area of research. Suboptimal methods based on truncating the order of the corresponding linear- quadratic-Gaussian (LQG) compensator tend to fail if the requested controller dimension is sufficiently small and/or the requested controller authority is sufficiently high. Also, traditional parameter optimization approaches have only local convergence properties. This paper discusses a homotopy algorithm for optimal reduced-order control that has global convergence properties. The exposition is for discrete-time systems. The algorithm has been implemented in MATLAB and is applied to a benchmark problem.

Paper Details

Date Published: 10 July 1992
PDF: 12 pages
Proc. SPIE 1696, Controls for Optical Systems, (10 July 1992); doi: 10.1117/12.138162
Show Author Affiliations
Emmanuel G. Collins, Harris Corp. (United States)
Stephen Richter, Harris Corp. (United States)
Lawrence D. Davis, Harris Corp. (United States)

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

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