Robust Multi-Objective Singular Optimal Control Ofpenicillin Fermentation Process

α
Gustavo B. Libotte
Gustavo B. Libotte
σ
Fran S. Lobato
Fran S. Lobato
ρ
Gustavo M. Platt
Gustavo M. Platt
Ѡ
Francisco D. Moura Neto
Francisco D. Moura Neto
α Universidade do Estado do Rio de Janeiro Universidade do Estado do Rio de Janeiro

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Robust Multi-Objective Singular Optimal Control Ofpenicillin Fermentation Process

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Abstract

The determination of optimal feeding profile of fed-batch fermentation requires the solution of a singular optimal control problem. The complexity in obtaining the solution to this singular problem is due to the nonlinear dynamics of the system model, the presence of control variables in linear form and the existence of constraints in both the state and control variables. Traditionally, during the optimization process, uncertainties associated with design variables, control parameters and mathematical model are not considered. In this contribution, a systematic methodology to evaluate uncertainties during the resolution of a singular optimal control problem is proposed. This approach consists of the Multi-objective Optimization Differential Evolution algorithm associated with Effective Mean Concept. The proposed methodology is applied to determine the feed substrate concentration in fed-batch penicillin fermentation process. The robust multi-objective singular optimal control problem consists of maximizing the productivity and minimizing the operation total time.

References

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Gustavo B. Libotte. 2020. \u201cRobust Multi-Objective Singular Optimal Control Ofpenicillin Fermentation Process\u201d. Global Journal of Research in Engineering - J: General Engineering GJRE-J Volume 20 (GJRE Volume 20 Issue J3): .

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords
Classification
GJRE-J Classification: FOR Code: 090299
Version of record

v1.2

Issue date

June 3, 2020

Language
en
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The determination of optimal feeding profile of fed-batch fermentation requires the solution of a singular optimal control problem. The complexity in obtaining the solution to this singular problem is due to the nonlinear dynamics of the system model, the presence of control variables in linear form and the existence of constraints in both the state and control variables. Traditionally, during the optimization process, uncertainties associated with design variables, control parameters and mathematical model are not considered. In this contribution, a systematic methodology to evaluate uncertainties during the resolution of a singular optimal control problem is proposed. This approach consists of the Multi-objective Optimization Differential Evolution algorithm associated with Effective Mean Concept. The proposed methodology is applied to determine the feed substrate concentration in fed-batch penicillin fermentation process. The robust multi-objective singular optimal control problem consists of maximizing the productivity and minimizing the operation total time.

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Robust Multi-Objective Singular Optimal Control Ofpenicillin Fermentation Process

Gustavo B. Libotte
Gustavo B. Libotte Universidade do Estado do Rio de Janeiro
Fran S. Lobato
Fran S. Lobato
Gustavo M. Platt
Gustavo M. Platt
Francisco D. Moura Neto
Francisco D. Moura Neto

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