Minimum variance benchmark for decentralized controllers

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Minimum variance benchmark for decentralized controllers

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Title: Minimum variance benchmark for decentralized controllers
Author: Kariwala, Vinay; Forbes, J. Fraser; Meadows, Edward S.
Copyright year: 2009
Abstract: This paper deals with performance assessment of decentralized controllers using a minimum variance (MV) benchmark. The available MV benchmarks do not take the structure of the controller into account and can give overly optimistic estimates of achievable performance, when applied to systems under decentralized control. We propose an approximate solution to this problem obtained by explicitly solving simple linear matrix equations. As a special case of this general result, we also present an upper bound on the achievable performance for systems under multi-loop proportional-integral-derivative control. These results are useful for assessing the feasibility of significant performance improvement by retuning of the decentralized controller and input-output pairing selection.
Subject: DRNTU::Engineering::Chemical engineeringDRNTU::Engineering::Electrical and electronic engineering::Control and instrumentation::Control engineering
Type: Conference Paper
Conference name: American Control Conference (24th : 2005)
School: School of Chemical and Biomedical Engineering
Rights: © 2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. http://www.ieee.org/portal/site.
Version: Accepted version

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