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Home  >  Volume 22 (2012)

An Economic Production Quantity (EPQ) Model for Delayed Deteriorating Items with Stock-Dependent Demand Rate and Time Dependent Deterioration Rate by Baraya Y. M. and Sani B. Volume 22 (November, 2012), pp 345 – 354
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In this paper, an economic production quantity (EPQ) model is presented for single product with delayed deterioration in which the production rate is constant, demand rate is inventory level dependent before and after production and the rate of deterioration is time dependent. The main objective is to determine the optimal replenishment cycle time such that the total variable cost is minimised. We present some numerical examples to illustrate the application of the model developed and use the examples to study the effect of various changes in some possible combinations of model parameters.

Keywords: Inventory level - dependent demand, delayed deterioration, variable deterioration rate