Volume 21, Issue 1 (7-2002)
2002, 21(1): 71-80 |
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M. Rabbani. (Q,r) Stochastic Demand Inventory Model With Exact Number of Cycles. Journal of Advanced Materials in Engineering (Esteghlal) 2002; 21 (1) :71-80
URL: http://jame.iut.ac.ir/article-1-242-en.html
URL: http://jame.iut.ac.ir/article-1-242-en.html
Abstract: (5536 Views)
In most stochastic inventory models, such as continuous review models and periodic review models, it has been assumed that the stockout period during a cycle is small enough to be neglected so that the average number of cycles per year can be approximated as D/Q, where D is the average annual demand and Q is the order quantity. This assumption makes the problem more tactable, but it should not be adopted when the beck order and lost sales penalty costs are relatively small. In this paper, considering a continuous review inventory model, we relax the above assumption and we explicitly take into account the stockout period when computing the expected cycle length. Further, we consider the effect of using exact number of cycles rather than using approximate of cycles in a continuous review inventory model.
Keywords: Inventory control, Stochastic demand, Continuous review, Inventory cycle
