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primary topic: A multi-objective evolutionary approach for fuzzy optimization in production planning

A multi-objective evolutionary approach for fuzzy optimization in production planning
type: AcademicArticle
type: Article
abstract: In this paper we propose a multi-objective optimization approach to solve nonlinear fuzzy optimization problems. Solutions in the Pareto front correspond with the fuzzy solution of the former fuzzy problem expressed in terms of the group of three parameters (x*, Î¼, Î±), i.e., optimal solution - degree of satisfaction - vagueness factor. The decision maker could choose, in a posteriori decision environment, the most convenient optimal solution according to his degree of satisfaction and vagueness factor. Additionally, an ad-hoc Pareto-based multi-objective evolutionary algorithm, ENORA-II, is proposed and validated in a production planning optimization environment. A real-world industrial problem for product-mix selection involving 8 decision variables and 21 constraints with fuzzy coefficients is considered as case study. ENORA-II has been evaluated with the existing methodologies in the field and results have been compared with the well-known multi-objective evolutionary algorithm NSGA-II. © 2013 - IOS Press and the authors. All rights reserved.
date: 2013
volume: 25
issue: 2
is part of: Journal of Intelligent and Fuzzy Systems
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository

Journal of Intelligent and Fuzzy Systems
type: Collection
issn: 10641246

F. Jiménez
type: Person
given name: F.
family name: Jiménez

G. Sánchez
type: Person
given name: G.
family name: Sánchez

P. Vasant
type: Person
given name: P.
family name: Vasant

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primary topic: A multi-objective evolutionary approach for fuzzy optimization in production planning