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

• Frédéric Mazenc ^[1] ; Vincent Andrieu ^[3] ; Michael Malisoff ^[2]
  1. [1] University of Paris-Sud

     University of Paris-Sud

     Arrondissement de Palaiseau, Francia

     
  2. [2] Louisiana State University

     Louisiana State University

     Estados Unidos

     
  3. [3] LAGEP, Université de Lyon,France

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• Localización: Automatica: A journal of IFAC the International Federation of Automatic Control, ISSN 0005-1098, Vol. 57, 2015, págs. 135-144
• Idioma: inglés
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• Resumen
  • español

    Observer;

  • English

    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.