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Observer-Based Robust Control of a Continuous Bioreactor with Heterogeneous Community

Alex dos Reis de Souza 1 Denis Efimov 1 Andrey Polyakov 1 Jean-Luc Gouzé 2
1 VALSE - Finite-time control and estimation for distributed systems
Inria Lille - Nord Europe, CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189
2 BIOCORE - Biological control of artificial ecosystems
CRISAM - Inria Sophia Antipolis - Méditerranée , LOV - Laboratoire d'océanographie de Villefranche, INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement
Abstract : This work addresses the problem of robust control of the continuous bioreactor-namely the chemostat-using an observer-based approach. We design a control law aiming to regulate the growth of a certain species and to stabilize the output-a growth-associated product of interest-in a prescribed level. In addition, to avoid the single-species dogma (which takes only one species into account for control design), we add to the microbial community unknown species competing for the limiting substrate. Finally, this control architecture is able to maintain the productivity, despite this competing heterogeneity (or biodiversity) of the community.
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https://hal.inria.fr/hal-02634501
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Submitted on : Wednesday, May 27, 2020 - 3:34:59 PM
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Alex dos Reis de Souza, Denis Efimov, Andrey Polyakov, Jean-Luc Gouzé. Observer-Based Robust Control of a Continuous Bioreactor with Heterogeneous Community. IFAC 2020 - 21rst IFAC World Congress, Jul 2020, Berlin / Virtual, Germany. ⟨hal-02634501⟩

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