WSEAS Transactions on Systems and Control
Print ISSN: 1991-8763, E-ISSN: 2224-2856
Volume 18, 2023
Interval Observers for Switched Metzler-Takagi-Sugeno Fuzzy Systems
Authors: ,
Abstract: This paper is concerned with the design of switching observers for nonlinear positive systems, where the basic parameters of the Metzler-Takagi-Sugeno fuzzy models are intervally defined. With consideration of the measurable set of premise variables the associated structure of the switching fuzzy interval observers is proposed for system state estimation to maintain stability and H1 performance level under the influence of norm-bounded additive disturbance. The design conditions take into account the lower and upper bounds of nonnegative system state. A numerical example is included to demonstrate the effectiveness of the developed theory for the condisered class of systems.
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Keywords: Metzler matrices, Takagi-Sugeno models, switched systems, interval observers, state
estimation, linear matrix inequalities
Pages: 95-101
DOI: 10.37394/23203.2023.18.10