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An Inventory Model for Items with Two Parameter Weibull Distribution Deterioration and Backlogging

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Author(s): Nandagopal Rajeswari | Thirumalaisamy Vanjikkodi

Journal: American Journal of Operations Research
ISSN 2160-8830

Volume: 02;
Issue: 02;
Start page: 247;
Date: 2012;
Original page

Keywords: Inventory | Weibull Deterioration | Shortages | Power Demand | Partial Backlogging | Complete Backlogging

ABSTRACT
In this paper an inventory model is developed with time dependent power pattern demand and shortages due to deterioration and demand. The deterioration is assumed to follow a two parameter Weibull distribution. Three different cases with complete, partial, no backlogging are considered. The optimal analytical solution of the model is derived. Suitable numerical example has been discussed to understand the problem. Further sensitivity analysis of the decision variables has been done to examine the effect of changes in the values of the parameters on the optimal inventory policy.

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