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Integrated product specifications and productivity decision making in unreliable manufacturing systems

Hajji, Adnéne et Mhada, Fatima et Gharbi, Ali et Pellerin, Robert et Malham, Roland. 2011. « Integrated product specifications and productivity decision making in unreliable manufacturing systems ». International Journal of Production Economics, vol. 129, nº 1. p. 32-42.
Compte des citations dans Scopus : 13.

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Résumé

This paper considers joint production control and product specifications decision making in a failure prone manufacturing system. This is with the knowledge that tight process specifications, while leading to a product of more reliable quality and higher market value, are at the same time associated with higher levels of non conforming parts, a higher rate of parts rejection and thus a lowering of overall plant productivity. The decision making is further complicated by the lack of reliability of the production process which imposes that an adequate, also to be designed, level of inventory of finished parts be maintained. The overall optimal decision policy is defined here as one that maximizes the long term average per unit time profit of a combined measure of quality and quantity dependent sales revenue, minus inventory and backlog costs, in the presence of random plant failures and random repair durations. Policy optimization is achieved via a revisited model of the Bielecki- Kumar theory for Markovian machines and a simulation and experimental design based methodology for the more general cases.

Type de document: Article publié dans une revue, révisé par les pairs
Professeur:
Professeur
Gharbi, Ali
Affiliation: Génie de la production automatisée
Date de dépôt: 19 févr. 2013 16:26
Dernière modification: 11 mars 2016 17:28
URI: http://espace2.etsmtl.ca/id/eprint/3455

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