Observer design with better delay margin for linear time-delay systems

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Abstract

In this paper a H-inf type observer is proposed for linear time delay systems with delay in states. The stability of the observer is proved by Lyapunov approach. The novelty of the study is to include the state derivatives in the design.As a result, better delay margin and reliability is obtained. Two numerical examples have been illustrated to Show the validity and effectiveness of this prescribed approach and a comparison table shows the achievement of better delay margin in comparison with corresponding Luenberger type observer.
Original languageEnglish
Pages (from-to)2065-2071
Number of pages7
JournalELECTRICA
Volume16
Issue number2
Publication statusPublished - Jul 2016

Keywords

  • observer, Lyapunov, LMI, time-delay

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