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Observer design for discrete-time systems subject to long time-delay

Abstract : This paper addresses the problem of designing a classical observer extended to dynamical discrete-time systems with constant delays. The idea of two forms of state observers is presented to compensate fixed time-delay. Convergence conditions have been found to ensure the stability of the error dynamics and the related gains may be selected based on a set of linear matrix inequality (LMI). The results show that the compensation-based state observer is much superior in dealing with time-delay in the case that the buffer permits us to transform the time-delay system into a fixed time-delay system. Simulation and experimental results are provided to demonstrate the advantage of the proposed observation technique.
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Submitted on : Wednesday, September 25, 2019 - 4:18:13 PM
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Yiming Zhang, Vincent Sircoulomb, Nicolas Langlois. Observer design for discrete-time systems subject to long time-delay. 2012 24th Chinese Control and Decision Conference (CCDC), May 2012, Taiyuan, China. pp.2949-2954, ⟨10.1109/CCDC.2012.6244465⟩. ⟨hal-02296960⟩



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