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Title: Sliding-Mode Output-Feedback Control Based on LMIs for Plants With Mismatched Uncertainties
Authors: Andrade-da Silva, J. M.
Edwards, Christopher
Spurgeon, Sarah K.
First Published: 5-Jun-2009
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Citation: IEEE Transactions on Industrial Electronics, 2009, 56 (9), pp. 3675-3683.
Abstract: In this paper, a design framework for synthesizing sliding-mode output-feedback controllers for plants with matched and mismatched uncertainties is presented. Static-output-feedback (SOF) and compensator-based sliding-mode controllers are proposed. The switching-surface design problem is formulated in terms of linear matrix inequalities (LMIs) from a polytopic perspective, as an SOF problem with mismatched uncertainties. The control law consists of linear and nonlinear components. A convex subset of the complex left half-plane is defined by the designer in order to place the closed-loop eigenvalues when synthesizing numerically the linear component using LMIs through a polytopic formulation. The nonlinear part takes into account matched uncertainties or nonlinearities. Design studies demonstrate the efficacy of the proposed controllers.
DOI Link: 10.1109/TIE.2009.2024094
ISSN: 0278-0046
Type: Article
Rights: © 2009 IEEE.
Description: Metadata only entry
Appears in Collections:Published Articles, Dept. of Engineering

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