A Lagrangean relaxation based approach for the capacity allocation problem in flexible manufacturing systems / S. Özpeynirci in Journal of the operational research society (JORS), Vol. 61 N° 5 (Mai 2010)  

Public ISBD [article]  inJournal of the operational research society (JORS) > Vol. 61 N° 5 (Mai 2010) . - pp. 872–877 Titre : A Lagrangean relaxation based approach for the capacity allocation problem in flexible manufacturing systems Type de document : texte imprimé Auteurs : S. Özpeynirci, Auteur ; Azizoglu, M., Auteur Année de publication : 2010 Article en page(s) : pp. 872–877 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Lagrangean relaxation Flexible manufacturing systems Tool assignment Computer numerically controlled machines Index. décimale : 001.424 Résumé : This study considers the operation assignment and capacity allocation problem in flexible manufacturing systems. A set of operations is selected to be processed and assigned to the machines together with their required tools. The purchase or usage of the required tools incurs a cost. The machines have scarce time and tool magazine capacities. The objective is to maximize the total weight of the assigned operations minus the total tooling costs. We use Lagrangean relaxation approach to obtain upper and lower bounds on the optimal objective function values. The computational experiments show that our approach provides near optimal bounds in reasonable solution times. DEWEY : 001.424 ISSN : 0361-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v61/n5/abs/jors200919a.html [article] A Lagrangean relaxation based approach for the capacity allocation problem in flexible manufacturing systems [texte imprimé] / S. Özpeynirci, Auteur ; Azizoglu, M., Auteur . - 2010 . - pp. 872–877. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 61 N° 5 (Mai 2010) . - pp. 872–877 Mots-clés : Lagrangean relaxation Flexible manufacturing systems Tool assignment Computer numerically controlled machines Index. décimale : 001.424 Résumé : This study considers the operation assignment and capacity allocation problem in flexible manufacturing systems. A set of operations is selected to be processed and assigned to the machines together with their required tools. The purchase or usage of the required tools incurs a cost. The machines have scarce time and tool magazine capacities. The objective is to maximize the total weight of the assigned operations minus the total tooling costs. We use Lagrangean relaxation approach to obtain upper and lower bounds on the optimal objective function values. The computational experiments show that our approach provides near optimal bounds in reasonable solution times. DEWEY : 001.424 ISSN : 0361-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v61/n5/abs/jors200919a.html

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