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Communication Dans Un Congrès Année : 2009

Model structure simplification of a biological reactor

Anca Maria Nagy
  • Fonction : Auteur
  • PersonId : 856654
Gilles Mourot
  • Fonction : Auteur
  • PersonId : 842667
Benoît Marx
Georges Schutz
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  • PersonId : 835426
José Ragot

Résumé

This article proposes an analytical method for decomposing a dynamic nonlinear system into a multiple model form in order to reduce its complexity and to study more easily identification, stability analysis and controller design problems. The majority of existing methods are order reduction based techniques, which come with an information loss of the initial system, whereas the method proposed here avoids this particular loss. The multiple model constitutes an efficient tool to represent nonlinear systems. These are decomposed into several linear time invariant systems (LTI) which are weighted and aggregated that allows to benefit from important analysis tools. This method is applied to a simplified activated sludge reactor model.
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hal-00431590 , version 1 (27-02-2023)

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  • HAL Id : hal-00431590 , version 1

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Anca Maria Nagy, Gilles Mourot, Benoît Marx, Georges Schutz, José Ragot. Model structure simplification of a biological reactor. 15th IFAC Symposium on System Identification, SYSID 2009, Jul 2009, Saint-Malo, France. pp.CDROM. ⟨hal-00431590⟩
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