4.7 Article

Design of continuous-discrete observers for time-varying nonlinear systems

Journal

AUTOMATICA
Volume 57, Issue -, Pages 135-144

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.automatica.2015.04.016

Keywords

Observer; Continuous-discrete observers; Cooperative system; Metzler matrix

Funding

  1. l'Institut pour le Controle et la Decision de l'Idex Paris-Saclay (iCODE)
  2. NSF Division of ECCS Grant [1102348]
  3. Directorate For Engineering
  4. Div Of Electrical, Commun & Cyber Sys [1102348] Funding Source: National Science Foundation
  5. Div Of Electrical, Commun & Cyber Sys
  6. Directorate For Engineering [1408295] Funding Source: National Science Foundation

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We present a new design for continuous-discrete observers for a large class of continuous time nonlinear time-varying systems with discrete time measurements. Using the notion of cooperative systems, we show that the solutions of the observers converge to the solutions of the original system, under conditions on the nonlinear terms and on the largest sampling interval. Our conditions are given by explicit expressions. (C) 2015 Elsevier Ltd. All rights reserved.

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