Geodesic
A Production and Repair Model under a Time-Varying Demand Process
Bulletin of the Malaysian Mathematical Society, Tome 35 (2012) no. 1 Cet article a éte moissonné depuis la source Bulletin of the Malaysian Mathematical Society website

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In this paper, we propose a model for a production system that satisfies a continuous time-varying demand for a finished product over a known and finite planning horizon by supplying both new and repaired items. New items are fabricated from a single type of raw material procured from external suppliers, while used items are collected from the customers and then repaired to an `as new' condition before being sold again. For simplicity, we assume that there is no collection of used items during the repair uptime and downtime periods. The problem is to determine a joint policy for raw materials procurement, new items fabrication and used items repair such that the total relevant cost of the model is minimized. We propose a numerical solution procedure and we illustrate the model with some numerical examples and a simple sensitivity analysis.
Classification : 90B05. 
@article{BMMS_2012_35_1_a8,
     author = {Mohd Omar and Ivan Yeo},
     title = {A {Production} and {Repair} {Model} under a {Time-Varying} {Demand} {Process}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2012},
     volume = {35},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2012_35_1_a8/}
}
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Mohd Omar; Ivan Yeo. A Production and Repair Model under a Time-Varying Demand Process. Bulletin of the Malaysian Mathematical Society, Tome 35 (2012) no. 1. http://geodesic.mathdoc.fr/item/BMMS_2012_35_1_a8/