Two Storage Inventory Model for Perishable Items with Trapezoidal Type Demand Under Conditionally Permissible Delay in Payment

2014 ◽  
pp. 1369-1385 ◽  
Author(s):  
S R Singh ◽  
Monika Vishnoi
Keyword(s):  
Inventory Model ◽  
Perishable Items ◽  
Permissible Delay In Payment

scholarly journals A stochastic inventory model with perishable and aging items

1999 ◽  
Vol 12 (1) ◽  
pp. 23-29 ◽  
Author(s):  
Lakhdar Aggoun ◽  
Lakdere Benkherouf ◽  
Lotfi Tadj
Keyword(s):  
Inventory Model ◽  
Inventory Level ◽  
Change Of Measure ◽  
Single Product ◽  
Perishable Items ◽  
Stochastic Inventory ◽  
Maximum Lifetime ◽  
Stochastic Inventory Model ◽  
History Of ◽  
Special Case

In this paper, we propose a single-product, discrete time inventory model for perishable items. Inventory levels are reviewed periodically and units in stock have a maximum lifetime of M periods. It is assumed that the dynamics of the inventory level is driven by a parameter process (reflecting perishability) and demands. By observing the history of the inventory level we obtain the conditional distribution of the perishability parameter by using the change of measure techniques. A special case is also presented.

scholarly journals Recursive estimation of inventory quality classes using sampling

2003 ◽  
Vol 7 (4) ◽  
pp. 249-263 ◽  
Author(s):  
L. Aggoun ◽  
L. Benkherouf ◽  
A. Benmerzouga
Keyword(s):  
Finite Number ◽  
Discrete Time ◽  
Lower Class ◽  
Inventory Model ◽  
Recursive Estimation ◽  
Single Product ◽  
Discrete State ◽  
Perishable Items ◽  
Optimal Estimates ◽  
Class 1

In this paper we propose a new discrete time discrete state inventory model for perishable items of a single product. Items in stock are assumed to belong to one of a finite number of quality classes that are ordered in such a way that Class 1 contains the best quality and the last class contains the pre-perishable quality. By the end of each epoch, items in each inventory class either stay in the same class or lose quality and move to a lower class. The movement between classes is not observed. Samples are drawn from the inventory and based on the observations of these samples, optimal estimates for the number of items in each quality classes are derived.

scholarly journals Two warehouse inventory model for deteriorating item with exponential demand rate and permissible delay in payment

2017 ◽  
Vol 27 (1) ◽  
pp. 109-124 ◽  
Author(s):  
Naresh Kaliraman ◽  
Ritu Raj ◽  
Shalini Chandra ◽  
Harish Chaudhary
Keyword(s):  
Sensitivity Analysis ◽  
Inventory Model ◽  
Deteriorating Items ◽  
The Other ◽  
Inventory Cost ◽  
Numerical Illustration ◽  
Deterioration Rate ◽  
Permissible Delay In Payment ◽  
Demand Rate

A two warehouse inventory model for deteriorating items is considered with exponential demand rate and permissible delay in payment. Shortage is not allowed and deterioration rate is constant. In the model, one warehouse is rented and the other is owned. The rented warehouse is provided with better facility for the stock than the owned warehouse, but is charged more. The objective of this model is to find the best replenishment policies for minimizing the total appropriate inventory cost. A numerical illustration and sensitivity analysis is provided.

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