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Authors: Antonio Ochoa-Robles ; Catherine Azzaro-Pantel and Serge Domenech

Affiliation: Université de Toulouse, France

Keyword(s): Differential Evolution, Stopping Criterion, Evaluations, Structural Problems.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Knowledge Discovery and Information Retrieval ; Knowledge-Based Systems ; Methodologies and Technologies ; Operational Research ; Optimization ; Symbolic Systems

Abstract: Optimization is a highly important area in chemical engineering, particularly for process design that is generally formulated as a mixed and non-linear problem with several competing objectives. A way to tackle the problem is to couple multiobjective optimization based on evolutionary algorithms with a process simulator. This situation may yet lead to prohibitive computational time as the number of objectives increases. In this paper, the potential of multiobjective differential evolution (MODE) is tested with three different stopping criteria. The performance of MODE is compared with the results obtained with a variant of NSGA II. The performance metric is based on the number of evaluations used to get the Pareto front. The results show that the combination of an efficient algorithm and the stopping criterion helps to reduce the optimization time but its choice may affect the results. As far as multiobjective is concerned, it must be emphasized that the final solution is the resul t of compromise that the decision maker must be aware. (More)

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Paper citation in several formats:
Ochoa-Robles, A.; Azzaro-Pantel, C. and Domenech, S. (2014). Differential Evolution for Multiobjective Optimization of Process Design Problems. In Proceedings of the 3rd International Conference on Operations Research and Enterprise Systems - ICORES; ISBN 978-989-758-017-8; ISSN 2184-4372, SciTePress, pages 226-232. DOI: 10.5220/0004833102260232

@conference{icores14,
author={Antonio Ochoa{-}Robles. and Catherine Azzaro{-}Pantel. and Serge Domenech.},
title={Differential Evolution for Multiobjective Optimization of Process Design Problems},
booktitle={Proceedings of the 3rd International Conference on Operations Research and Enterprise Systems - ICORES},
year={2014},
pages={226-232},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004833102260232},
isbn={978-989-758-017-8},
issn={2184-4372},
}

TY - CONF

JO - Proceedings of the 3rd International Conference on Operations Research and Enterprise Systems - ICORES
TI - Differential Evolution for Multiobjective Optimization of Process Design Problems
SN - 978-989-758-017-8
IS - 2184-4372
AU - Ochoa-Robles, A.
AU - Azzaro-Pantel, C.
AU - Domenech, S.
PY - 2014
SP - 226
EP - 232
DO - 10.5220/0004833102260232
PB - SciTePress

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