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Rapport Année : 2004

Robust control for an uncertain chemostat model

Gonzalo Robledo
  • Fonction : Auteur

Résumé

In this paper we consider a control problem for an uncertain chemostat model with a general monotone growth function. This uncertainty affects the model (growth function) as well as the outputs (measurements of substrate). Despite this lack of information, an upper bound and a lower bound for those uncertainties are assumed to be known a priori. We are able to build a family of feedback control laws on the dilution rate, giving a guaranteed estimation on the unmeasured variable (biomass), and stabilizing asymptotically the two variables in a rectangular set, around a reference value of the substrate. This could be implemented in a real chemostat, keeping a high level of substrate, avoiding the washout of the bioreactor.

Domaines

Autre [cs.OH]
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Dates et versions

inria-00070705 , version 1 (19-05-2006)

Identifiants

  • HAL Id : inria-00070705 , version 1

Citer

Jean-Luc Gouzé, Gonzalo Robledo. Robust control for an uncertain chemostat model. RR-5295, INRIA. 2004, pp.16. ⟨inria-00070705⟩
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