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Optimal resource allocation for bacterial growth with degradation

Ivan Yegorov 1 Francis Mairet 1 Jean-Luc Gouzé 1
1 BIOCORE - Biological control of artificial ecosystems
LOV - Laboratoire d'océanographie de Villefranche, CRISAM - Inria Sophia Antipolis - Méditerranée , INRA - Institut National de la Recherche Agronomique
Abstract : Understanding adaptation of bacterial growth for a changing environment is a fundamental biological problem which also has a great interest from the biotechnological point of view. This paper extends one of existing bacterial growth models by taking macromolecular degradation into account and provides new mathematical results. The related dynamic problem of maximizing biomass accumulation is stated in a specific way so that existence of optimal resource allocation strategies can be verified. A novel numerical algorithm for approximating switching curves of the chattering control in the state space is developed. Several realistic suboptimal feedback control laws are also constructed and successfully tested. The results of numerical simulations confirm validity of the new problem statement.
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Submitted on : Friday, May 19, 2017 - 10:06:47 AM
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Ivan Yegorov, Francis Mairet, Jean-Luc Gouzé. Optimal resource allocation for bacterial growth with degradation. IFAC World Congress, International Federation of Automatic Control (IFAC). AUT., Jul 2017, Toulouse, France. 15968 p., ⟨10.1016/j.ifacol.2017.08.1593⟩. ⟨hal-01524917⟩



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