Sliding mode observer based real-time optimization of production rate in a bioreactor

Daaou, Bachir; Dochain, Denis

doi:10.1109/cdc.2017.8263958

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2019

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“…Unfortunately, the common drawback of high gain observers for nonlinear systems is a strong sensitivity to noise. A discontinuous (sliding-mode) observer was derived in Daaou and Dochain (2017); De Battista et al 2010; Vargas et al (2014) etc. Finally, let us note Rehák and Papáček (2013) where the nonlinearity was treated as robustness which, however, allows only a rough approximation of the nonlinearity.…”

Section: Introductionmentioning

confidence: 99%

Design of a nonlinear observer using the finite element method with application to a biological system

Rehák

Lynnyk

2019

CAP

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An observer for a nonlinear biological system — biomass production in a bioreactor —is proposed. The specific growth rate is estimated. The key point of the observer design is finding a solution of a certain partial differential equation. Conditions guaranteeing existence of its solution are presented. The solution is approximated using finite element method. The results are illustrated by a numerical example.

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Section: Introductionmentioning

confidence: 99%