Fundamental limitation on achievable decentralized performance

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Fundamental limitation on achievable decentralized performance

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dc.contributor.author Kariwala, Vinay
dc.date.accessioned 2009-02-16T09:07:12Z
dc.date.available 2009-02-16T09:07:12Z
dc.date.copyright 2007
dc.date.issued 2009-02-16T09:07:12Z
dc.identifier.citation Kariwala, V. (2007). Fundamental limitation on achievable decentralized performance. Automatica, 43(10), 1849-1854.
dc.identifier.issn 0005-1098
dc.identifier.uri http://www.elsevier.com/wps/find/homepage.cws_home
dc.identifier.uri http://hdl.handle.net/10220/4500
dc.description.abstract A commonly accepted fact is that the diagonal structure of the decentralized controller poses fundamental limitations on the achievable performance, but few quantitative results are available for measuring these limitations. This paper provides a lower bound on the achievable quality of disturbance rejection using a decentralized controller for stable discrete time linear systems with time delays, which do not contain any finite zeros on or outside the unit circle. The proposed result is useful for assessing when full multivariable controllers can provide significantly improved performance, as compared to decentralized controllers. The results are also extended to the case, where the individual subcontrollers are restricted to be PID controllers.
dc.format.extent 13 p.
dc.language.iso en
dc.relation.ispartofseries Automatica
dc.rights Automatica. Copyright © 2007 Elsevier Ltd All rights reserved. Website: http://www.sciencedirect.com/science/journal/00051098
dc.subject DRNTU::Engineering::Chemical engineering
dc.subject DRNTU::Engineering::Electrical and electronic engineering::Control and instrumentation::Control engineering
dc.title Fundamental limitation on achievable decentralized performance
dc.type Journal Article
dc.contributor.school School of Chemical and Biomedical Engineering
dc.date.journalvolissue Vol. 43, no. 10 (Oct. 2007)
dc.identifier.doi http://dx.doi.org/10.1016/j.automatica.2007.03.004
dc.description.version Accepted version

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