Development Of Homotopy Algorithms For Fixed Order Mixed H2 H Infinity Controller Synthesis
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Development of Homotopy Algorithms for Fixed-Order Mixed H2/H(infinity) Controller Synthesis
Author: National Aeronautics and Space Administration (NASA)
language: en
Publisher: Createspace Independent Publishing Platform
Release Date: 2018-07-02
A major difficulty associated with H-infinity and mu-synthesis methods is the order of the resulting compensator. Whereas model and/or controller reduction techniques are sometimes applied, performance and robustness properties are not preserved. By directly constraining compensator order during the optimization process, these properties are better preserved, albeit at the expense of computational complexity. This paper presents a novel homotopy algorithm to synthesize fixed-order mixed H2/H-infinity compensators. Numerical results are presented for a four-disk flexible structure to evaluate the efficiency of the algorithm. Whorton, M. and Buschek, H. and Calise, A. J. Marshall Space Flight Center ...