Volume 23, Issue 1 (IJIEPR 2012)                   IJIEPR 2012, 23(1): 65-72 | Back to browse issues page

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Amiri M, Seif barghy M, Olfat L, Razavi Hajiagha S H. Determination of a Desirable Inventory Policy in a three Echelon Multilayer Supply Chain with Normal Demand . IJIEPR 2012; 23 (1) :65-72
URL: http://ijiepr.iust.ac.ir/article-1-414-en.html
Determination of a Desirable Inventory Policy in a three Echelon Multilayer Supply Chain with Normal Demand
Maghsoud Amiri 1, Mehdi Seif barghy2 , Laaya Olfat3 , Seyed Hossein Razavi Hajiagha4
1- Associate Professor, Industrial Management Department, Faculty of Management and Accounting, Allameh Tabatabaei University, Tehran, Iran , amiri@atu.ac.ir
2- Assistant Professor, Technical and Engineering Department, Alzahra University
3- Associate Professor, Industrial Management Department, Faculty of Management and Accounting, Allameh Tabatabaei University, Tehran, Iran
4- PhD Candidate, Industrial Management Department, Faculty of Management and Accounting, Allameh Tabatabaei University, Tehran, Iran
Abstract:   (17706 Views)
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.
Keywords: Supply Chain; Multi Echelon Inventory System; Normal Distribution; N-Fold Convolution
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Type of Study: Research | Subject: Other Related Subject
Received: 2012/03/3 | Published: 2012/03/15
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