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Type: Journal article
Title: Fuzzy control of nonlinear electromagnetic suspension systems
Author: Su, X.
Yang, X.
Shi, P.
Wu, L.
Citation: Mechatronics, 2014; 24(4):328-335
Publisher: Pergamon-Elsevier Science
Issue Date: 2014
ISSN: 0957-4158
Statement of
Xiaojie Su, Xiaozhan Yang, Peng Shi, Ligang Wu
Abstract: This paper presents a T-S model-based fuzzy controller design approach for electromagnetic suspension systems. The T-S fuzzy model is firstly applied to represent the nonlinear electromagnetic suspension systems. Then, based on the obtained T-S fuzzy model, a fuzzy state feedback controller is used to ensure the required mixed ℓ2-ℓ∞ performance of original electromagnetic suspension system to be achieved. This controller is designed in a nonparallel-distributed compensation scheme. And sufficient conditions for the existence of such a controller are derived in terms of linear matrix inequalities. Finally, numerical simulation on an electromagnetic suspension system is performed to validate the effectiveness of the proposed approach. Copyright © 2013 Published by Elsevier Ltd. All rights reserved.
Keywords: Electromagnetic suspension systems; fuzzy controller design; Takagi–Sugeno fuzzy model; ℓ2–ℓ∞ Performance
Rights: Crown Copyright © 2013
DOI: 10.1016/j.mechatronics.2013.08.002
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Electrical and Electronic Engineering publications

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