A robust asymptotic observer for systems that converge to unobservable states. A batch reactor case study

Abstract : In this paper we propose an observer for a dynam-ical system for which the states on the frontier of its domain are not observable, and all trajectories converge to the frontier. The proposed case study, a bioreactor in batch operating conditions with a single microbial reaction and gas production, is standard and largely encountered in practical situations. We show also how to extend this observer to obtain an observer in higher dimension that is robust with respect to unbiased noise.
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Submitted on : Wednesday, August 28, 2019 - 10:20:56 AM
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Alain Rapaport, Denis Dochain. A robust asymptotic observer for systems that converge to unobservable states. A batch reactor case study. IEEE Transactions on Automatic Control, Institute of Electrical and Electronics Engineers, inPress, 65, ⟨10.1109/TAC.2019.2940870⟩. ⟨hal-02272755⟩

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