An asymptotic observer for batch processes with single biogas measurement

Abstract : In this paper we propose an observer for an example of systems for which the boundary of its domain is unobservable, and all trajectories converge to this boundary. The proposed case study, a bioreactor in batch operating conditions with one simple microbial growth reaction and gas production is standard and largely encountered in practical situations. Comparison of the proposed observer with a classical Luenberger observer has been performed: it shows that this later does not guarantee a convergence with no estimation error.
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D. Dochain, A. Rapaport. An asymptotic observer for batch processes with single biogas measurement. 2nd IFAC Conference on Modelling, Identification and Control of Nonlinear Systems (MICNON 2018), Jun 2018, Guadalajara, Mexico. pp.420-424, ⟨10.1016/j.ifacol.2018.07.315⟩. ⟨hal-01826938⟩

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