Inventory control for point-of-use locations in hospitals / M. Bijvank in Journal of the operational research society (JORS), Vol. 63 N° 4 (Avril 2012)  

Public ISBD [article]  inJournal of the operational research society (JORS) > Vol. 63 N° 4 (Avril 2012) . - pp. 497–510 Titre : Inventory control for point-of-use locations in hospitals Type de document : texte imprimé Auteurs : M. Bijvank, Auteur ; F. A. Vis, Auteur Année de publication : 2012 Article en page(s) : pp. 497–510 Note générale : Recherche opérationnelle Langues : Anglais (eng) Mots-clés : Health service Inventory Service level Capacity limitations Heuristics Index. décimale : 001.424 Résumé : Most inventory management systems at hospital departments are characterised by lost sales, periodic reviews with short lead times, and limited storage capacity. We develop two types of exact models that deal with all these characteristics. In a capacity model, the service level is maximised subject to a capacity restriction, and in a service model the required capacity is minimised subject to a service level restriction. We also formulate approximation models applicable for any lost-sales inventory system (cost objective, no lead time restrictions etc). For the capacity model, we develop a simple inventory rule to set the reorder levels and order quantities. Numerical results for this inventory rule show an average deviation of 1% from the optimal service levels. We also embed the single-item models in a multi-item system. Furthermore, we compare the performance of fixed order size replenishment policies and (R, s, S) policies. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v63/n4/abs/jors201152a.html [article] Inventory control for point-of-use locations in hospitals [texte imprimé] / M. Bijvank, Auteur ; F. A. Vis, Auteur . - 2012 . - pp. 497–510. Recherche opérationnelle Langues : Anglais (eng) in Journal of the operational research society (JORS) > Vol. 63 N° 4 (Avril 2012) . - pp. 497–510 Mots-clés : Health service Inventory Service level Capacity limitations Heuristics Index. décimale : 001.424 Résumé : Most inventory management systems at hospital departments are characterised by lost sales, periodic reviews with short lead times, and limited storage capacity. We develop two types of exact models that deal with all these characteristics. In a capacity model, the service level is maximised subject to a capacity restriction, and in a service model the required capacity is minimised subject to a service level restriction. We also formulate approximation models applicable for any lost-sales inventory system (cost objective, no lead time restrictions etc). For the capacity model, we develop a simple inventory rule to set the reorder levels and order quantities. Numerical results for this inventory rule show an average deviation of 1% from the optimal service levels. We also embed the single-item models in a multi-item system. Furthermore, we compare the performance of fixed order size replenishment policies and (R, s, S) policies. DEWEY : 001.424 ISSN : 0160-5682 En ligne : http://www.palgrave-journals.com/jors/journal/v63/n4/abs/jors201152a.html

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