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Conference Papers Year : 2015

Improving observer design for discrete-time TS descriptor models under the quadratic framework

Abstract

The paper presents a new quadratic Lyapunov function for observer design for discrete-time nonlinear descriptor systems. The main idea is to represent the original nonlinear model as a Takagi- Sugeno one and then use Lyapunov's direct method to design the observer. The well-known Finsler's Lemma is used to design a non-Parallel-Distributed-Compensator-like observer together with a quadratic Lyapunov function. This procedure yields design conditions in terms of linear matrix inequalities. The effectiveness of the proposed approaches is illustrated via numerical examples.

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Automatic

Dates and versions

hal-03416362 , version 1 (05-11-2021)

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Víctor Estrada Manzo, Zsofia Lendek, Thierry-Marie Guerra. Improving observer design for discrete-time TS descriptor models under the quadratic framework. 2nd IFAC Conference on Embedded Systems, Computer Intelligence and Telematics (CESCIT 2015), Jun 2015, Maribor, Slovenia. pp.276-281, ⟨10.1016/j.ifacol.2015.08.144⟩. ⟨hal-03416362⟩
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