Determination of a Desirable Inventory Policy in a three Echelon Multilayer Supply Chain with Normal Demand
Publish place: International Journal of Industrial Engineering & Production Research، Vol: 23، Issue: 1
Publish Year: 1391
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJIEPR-23-1_008
تاریخ نمایه سازی: 7 شهریور 1393
Abstract:
Inventory control is one of the most important issues in supply chain management. In this paper, a three-echelon production, distribution, inventory system composed of one producer, a set of wholesalers and retailers is considered. Costumers' demands can be approximated by a normal distribution and the inventory policy is a kind of continuous review (R, Q). In this paper, a model based on standard cost structure of inventory systems is developed and a heuristic algorithm is designed to optimize the developed model. The application of model is examined in a series of designed experiments that are compared with simulation results. These comparisons verify the validity of the model. Regarding to real complexities in three-echelon systems analysis, the proposed method can have a wide application in practical problems with the same considerations and assumptions. In addition, this method can be used to approximate those systems that follow a Poisson demand.
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Authors
A. Amiri
Associate Professor, Industrial Management Department, Faculty of Management and Accounting, Allameh Tabatabaei University, Tehran, Iran
M. Seif barghy
Assistant Professor, Technical and Engineering Department, Alzahra University
L. Olfat
Associate Professor, Industrial Management Department, Faculty of Management and Accounting, Allameh Tabatabaei University, Tehran, Iran
S.H. Razavi Hajiagha
PhD Candidate, Industrial Management Department, Faculty of Management and Accounting, Allameh Tabatabaei University, Tehran, Iran