Nonlinear modelling and qualitative analysis of a real chemostat with pulse feeding
type: Item
instance of: scholarly article
title: Nonlinear modelling and qualitative analysis of a real chemostat with pulse feeding
zbMATH Open document ID: 1195.92031
DOI: 10.1155/2010/640594
author: Yuan Tian
author: Kaibiao Sun
author: Andrzej Kasperski
author: Lansun Chen
published in: Discrete Dynamics in Nature and Society
publication date: 2010-09-29T00:00:00Z
full work available at URL: https://eudml.org/doc/228575
review text: Summary: The control of substrate concentration in a bioreactor medium should be due to the substrate inhibition phenomenon. Moreover, the oxygen demand in a bioreactor should be lower than the dissolved oxygen content. The biomass concentration is one of the most important factors which affect the oxygen demand. In order to maintain the dissolved oxygen content in an appropriate range, the biomass concentration should not exceed a critical level. Based on the design ideas, a mathematical model of a chemostat with Monod-type kinetics and impulsive state feedback control for microorganisms of any biomass yield is proposed in this paper. By the existence criteria of periodic solutions of a general planar impulsive autonomous system, conditions for the existence of period-1 solutions of the system are obtained. The results simplify the choice of suitable operating conditions for continuous culture systems. They also point out that the system is not chaotic according to the analysis of the existence of period-2 solutions. The results and numerical simulations show that the chemostat system with state impulsive control tends to a stable state or a periodic solution.
Mathematics Subject Classification ID: 92C45
Mathematics Subject Classification ID: 92D40
Mathematics Subject Classification ID: 92C40
zbMATH DE Number: 5793502
MaRDI profile type: Publication
OpenAlex ID: W2038906588
Wikidata QID: Q58650853
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description: scientific article; zbMATH DE number 5793502