Structured Control of LPV Systems with Application to Wind Turbines

Fabiano Daher Adegas, Jakob Stoustrup

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Abstrakt

This paper deals with structured control of linear parameter varying systems (LPV) with application to wind turbines. Instead of attempting to reduce the problem to linear matrix inequalities (LMI), we propose to design the controllers
via an LMI-based iterative algorithm. The proposed algorithm can synthesize structured controllers like decentralized, static output and reduced order output feedback for discrete-time LPV systems. Based on a coordinate decent, it relies on a sufficient matrix inequality condition extended with slack variables to an upper bound on the induced L2-norm of the closed-loop system. Algorithms for the computation of feasible as well as optimal controllers are presented. The general case where no restrictions are imposed on the parameter dependence
is treated here due to its suitability for modeling wind turbines. A comprehensive numerical example of a gain-scheduled LPV controller design with prescribed pattern for wind turbines illustrate the utilization of the proposed algorithm.
OriginalsprogEngelsk
Titel2012 American Control Conference
Antal sider6
ForlagAmerican Automatic Control Council
Publikationsdato2012
Sider756 - 761
ISBN (Trykt)978-1-4577-1095-7
ISBN (Elektronisk)978-1-4673-2102-0
StatusUdgivet - 2012
Begivenhed2012 American Control Conference - Montreal, Canada
Varighed: 27 jun. 201229 jun. 2012

Konference

Konference2012 American Control Conference
LandCanada
ByMontreal
Periode27/06/201229/06/2012
NavnAmerican Control Conference
ISSN0743-1619

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