Optimal MRP parameters for a single item inventory with random replenishment lead time, POQ policy and service level constraint

Mohamed-Aly Louly 1 Alexandre Dolgui 2
2 Laboratoire en Sciences et Technologies de l'Information
DEMO-ENSMSE - Département Décision en Entreprise : Modélisation, Optimisation
Abstract : This study deals with Material Requirement Planning (MRP) software parameterization under uncertainties. The actual lead time has random deviations; so it can be considered as a random variable. MRP approach with Periodic Order Quantity (POQ) policy is considered. The aim is to find the optimal MRP time phasing corresponding to each periodicity of the POQ policy. This is a crucial issue in supply planning with MRP approach because inappropriate planned lead times under lead time uncertainties invariably lead to large and costly inventories or insufficient customer service levels. The proposed model and algorithms minimize the sum of the setup and holding costs while satisfying a constraint on the service level. Our approach does not need to employ the commonly used normal probability distributions. Instead, its originality is in finding a closed form of the objective function, valid for any probability distribution of the actual lead times.
Type de document :
Article dans une revue
International Journal of Production Economics, Elsevier, 2011, 〈10.1016/j.ijpe.2011.02.009〉
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https://hal-emse.ccsd.cnrs.fr/emse-00673890
Contributeur : Florent Breuil <>
Soumis le : vendredi 24 février 2012 - 14:46:09
Dernière modification le : dimanche 28 janvier 2018 - 15:22:05

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Mohamed-Aly Louly, Alexandre Dolgui. Optimal MRP parameters for a single item inventory with random replenishment lead time, POQ policy and service level constraint. International Journal of Production Economics, Elsevier, 2011, 〈10.1016/j.ijpe.2011.02.009〉. 〈emse-00673890〉

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