Genetic Algorithms and Firefly Algorithms for Non-linear Bioprocess Model Parameters Identification

Olympia Roeva, Tanya Trenkova

2012

Abstract

In this paper, Firefly algorithms (FA) and Genetic algorithms (GA) are applied to parameter identification problem of a non-linear mathematical model of the E. coli cultivation process. A system of ordinary differential equations is proposed to model the growth of the bacteria, substrate utilization and acetate formation. Parameter optimization is performed using a real experimental data set from an E. coli MC4110 fed-batch cultivation process. In the considered non-linear mathematical model, the parameters that should be estimated are maximum specific growth rate, two saturation constants and two yield coefficients. Parameters of both meta-heuristics are tuned on the basis of several pre-tests according to the optimization problem considered here. Based on the numerical and simulation result, it is shown that the model obtained by the FA is more accurate and adequate than the one obtained using the GA. Presented results prove FA superiority and powerfulness in solving non-linear dynamic model of cultivation processes.

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Paper Citation


in Harvard Style

Roeva O. and Trenkova T. (2012). Genetic Algorithms and Firefly Algorithms for Non-linear Bioprocess Model Parameters Identification . In Proceedings of the 4th International Joint Conference on Computational Intelligence - Volume 1: ECTA, (IJCCI 2012) ISBN 978-989-8565-33-4, pages 164-169. DOI: 10.5220/0004115501640169


in Bibtex Style

@conference{ecta12,
author={Olympia Roeva and Tanya Trenkova},
title={Genetic Algorithms and Firefly Algorithms for Non-linear Bioprocess Model Parameters Identification},
booktitle={Proceedings of the 4th International Joint Conference on Computational Intelligence - Volume 1: ECTA, (IJCCI 2012)},
year={2012},
pages={164-169},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004115501640169},
isbn={978-989-8565-33-4},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 4th International Joint Conference on Computational Intelligence - Volume 1: ECTA, (IJCCI 2012)
TI - Genetic Algorithms and Firefly Algorithms for Non-linear Bioprocess Model Parameters Identification
SN - 978-989-8565-33-4
AU - Roeva O.
AU - Trenkova T.
PY - 2012
SP - 164
EP - 169
DO - 10.5220/0004115501640169