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Continuous discrete observer with updated sampling period

Vincent Andrieu 1 Madiha Nadri 1 Ulysse Serres 1 Jean-Claude Vivalda 2, 3 
2 CORIDA - Robust control of infinite dimensional systems and applications
IECN - Institut Élie Cartan de Nancy, LMAM - Laboratoire de Mathématiques et Applications de Metz, Inria Nancy - Grand Est
Abstract : This paper deals with the design of high gain observers for a class of continuous dynamical systems with discrete-time measurements. Indeed, different approaches based on high gain techniques have been followed in the literature to tackle this problem. Contrary to these works, the measurement sampling time is considered to be variable. Moreover, the new idea of the proposed work is to synthesize an observer requiring the less knowledge as possible from the output measurements. This is done by using an updated sampling time observer. Under the global Lipschitz assumption, the asymptotic convergence of the observation error is established. As an application of this approach, an estimation problem of state of an academic bioprocess is studied, and its simulation results are discussed.
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Contributor : Jean-Claude Vivalda Connect in order to contact the contributor
Submitted on : Sunday, January 5, 2014 - 10:19:28 AM
Last modification on : Thursday, August 4, 2022 - 5:13:59 PM



Vincent Andrieu, Madiha Nadri, Ulysse Serres, Jean-Claude Vivalda. Continuous discrete observer with updated sampling period. NOLCOS 2013, IFAC, Sep 2013, Toulouse, France. pp.439-444, ⟨10.3182/20130904-3-FR-2041.00084⟩. ⟨hal-00923820⟩



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