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:: Volume 9, Issue 2 (6-2018) ::
IJOR 2018, 9(2): 49-80 Back to browse issues page
A Scenario-Based Nonlinear Programming Model for a Two-Level Inventory Control Problem: A Case in Dairy Product Industry
Mehdi Keramatpour , Seyed Taghi Akhavan Niaki , Seyed Hamid Reza Pasandideh
Sharif University of Technology , niaki@sharif.edu
Abstract:   (6588 Views)
In this paper, a novel scenario-based two-level inventory control model with a limited budget is formulated. The demand during the selling period is considered to follow a uniform probability distribution. In addition, it is assumed that there will be some customers who are willing to wait for their demands to be satisfied; thus a service level is considered for these customers. The aim is to find the optimal order quantities of the products and the required raw materials such that the relevant expected total profit obtained during the period is maximized. After proving the convexity of the proposed formulation, a penalty function and the Barrier method is proposed to solve the developed nonlinear stochastic programming problem. The problem is solved under different demand scenarios defined in three states of good, fair, and low. Finally, a case study in a dairy manufacturing company is provided to illustrate the application of the proposed methodology in real-world inventory control systems.  
Keywords: Inventory, Single-period, Two-level Inventory, Scenario-based modeling, Penalty and Barrier functions
Full-Text [PDF 598 kb]   (12578 Downloads)    
Type of Study: Original | Subject: Supply Chain Management and Logistics
Received: 2018/04/25 | Accepted: 2018/08/6 | Published: 2019/12/5
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 9, Issue 2 (6-2018) Back to browse issues page
مجله انجمن ایرانی تحقیق در عملیات Iranian Journal of Operations Research
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