Robust Analysis and Parameters Identification of the Nonlinear Multistage Dynamical System in Batch Fermentation of Glycerol

This paper discusses a complex biological problem which is the fermentation of glycerol by Klebsiella pneumoniae in batch culture. We set up an improved multistage model involving the concentration of intracellular substances. Furthermore, the existence, uniqueness, and continuity of solutions with...

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Main Authors: Xu Zhang, Xinying Wang, Enmin Feng, Zhilong Xiu
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Journal of Applied Mathematics
Online Access:http://dx.doi.org/10.1155/2014/925404
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author Xu Zhang
Xinying Wang
Enmin Feng
Zhilong Xiu
author_facet Xu Zhang
Xinying Wang
Enmin Feng
Zhilong Xiu
author_sort Xu Zhang
collection DOAJ
description This paper discusses a complex biological problem which is the fermentation of glycerol by Klebsiella pneumoniae in batch culture. We set up an improved multistage model involving the concentration of intracellular substances. Furthermore, the existence, uniqueness, and continuity of solutions with respect to the parameters are discussed. On the condition that glycerol and 1,3-propanediol are assumed to pass the cell membrane by passive diffusion coupled with facilitated transport, we take the relative errors between experimental data and computational values of the extracellular substances concentrations and the biological robustness of the intracellular substances concentrations as the performance index. Then we establish a parameter identification model and construct the particle swarm optimization algorithm to solve it. Finally, the numerical result shows that the improved model could describe the glycerol fermentation in batch culture well.
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publishDate 2014-01-01
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series Journal of Applied Mathematics
spelling doaj-art-732c5ec3bda54c06bf39e97304dde5ba2025-08-20T02:06:16ZengWileyJournal of Applied Mathematics1110-757X1687-00422014-01-01201410.1155/2014/925404925404Robust Analysis and Parameters Identification of the Nonlinear Multistage Dynamical System in Batch Fermentation of GlycerolXu Zhang0Xinying Wang1Enmin Feng2Zhilong Xiu3School of Mathematical Science, Dalian University of Technology, Dalian, Liaoning 116024, ChinaSchool of Mathematical Science, Dalian University of Technology, Dalian, Liaoning 116024, ChinaSchool of Mathematical Science, Dalian University of Technology, Dalian, Liaoning 116024, ChinaDepartment of Biotechnology, Dalian University of Technology, Dalian, Liaoning 116012, ChinaThis paper discusses a complex biological problem which is the fermentation of glycerol by Klebsiella pneumoniae in batch culture. We set up an improved multistage model involving the concentration of intracellular substances. Furthermore, the existence, uniqueness, and continuity of solutions with respect to the parameters are discussed. On the condition that glycerol and 1,3-propanediol are assumed to pass the cell membrane by passive diffusion coupled with facilitated transport, we take the relative errors between experimental data and computational values of the extracellular substances concentrations and the biological robustness of the intracellular substances concentrations as the performance index. Then we establish a parameter identification model and construct the particle swarm optimization algorithm to solve it. Finally, the numerical result shows that the improved model could describe the glycerol fermentation in batch culture well.http://dx.doi.org/10.1155/2014/925404
spellingShingle Xu Zhang
Xinying Wang
Enmin Feng
Zhilong Xiu
Robust Analysis and Parameters Identification of the Nonlinear Multistage Dynamical System in Batch Fermentation of Glycerol
Journal of Applied Mathematics
title Robust Analysis and Parameters Identification of the Nonlinear Multistage Dynamical System in Batch Fermentation of Glycerol
title_full Robust Analysis and Parameters Identification of the Nonlinear Multistage Dynamical System in Batch Fermentation of Glycerol
title_fullStr Robust Analysis and Parameters Identification of the Nonlinear Multistage Dynamical System in Batch Fermentation of Glycerol
title_full_unstemmed Robust Analysis and Parameters Identification of the Nonlinear Multistage Dynamical System in Batch Fermentation of Glycerol
title_short Robust Analysis and Parameters Identification of the Nonlinear Multistage Dynamical System in Batch Fermentation of Glycerol
title_sort robust analysis and parameters identification of the nonlinear multistage dynamical system in batch fermentation of glycerol
url http://dx.doi.org/10.1155/2014/925404
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AT xinyingwang robustanalysisandparametersidentificationofthenonlinearmultistagedynamicalsysteminbatchfermentationofglycerol
AT enminfeng robustanalysisandparametersidentificationofthenonlinearmultistagedynamicalsysteminbatchfermentationofglycerol
AT zhilongxiu robustanalysisandparametersidentificationofthenonlinearmultistagedynamicalsysteminbatchfermentationofglycerol