Condiciones suficientes para observabilidad de estados en bioprocesos multi-sustrato con dinámica de crecimiento aditiva (Sufficient conditions for state observability in multi-substrate bioprocesses with additive growth dynamics)

Sebastián Nuñez (sebastian_nuniez@yahoo.com.ar)1, Hernán De Battista (deba@ing.unlp.edu.ar)2, Fabricio Garelli (fabricio@ing.unlp.edu.ar)2, Jesús Picó (jpico@upv.es)3


1CONICET - LEICI, Fac de Ing. (UNLP)
2CONICET - LEICI, Fac de Ing. (UNLP)
3Universitat Politecnica de Valencia

This paper appears in: Revista IEEE América Latina

Publication Date: Aug. 2014
Volume: 12,   Issue: 5 
ISSN: 1548-0992


Abstract:
The distinguishability of the non-measured states is relevant for the design and implementation of state observers. The aim of this study is to examine the observability of a fed-batch multi-substrate process with additive growth rate. Based on the model equations, sufficient conditions to fulfill the observability rank condition were determined. Results for three sets of outputs were analyzed for Monod and Haldane models.

Index Terms:
observability, state estimation, fed-batch, bioprocess.   


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