MODELING AND SOLVING A THREE-ECHELON SUPPLY CHAIN PROBLEM USING STATISTICAL HYPOTHESIS TEST AND TOPSIS AND SAW METHODS

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Heidari Fathian H.; PASANDIDEH S.H.R.

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Journal: INDUSTRIAL ENGINEERING & MANAGEMENT SHARIF (SHARIF: ENGINEERING) Year:2018 | Volume:34-1 | Issue:1/1 Page(s): 87-94

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Title

MODELING AND SOLVING A THREE-ECHELON SUPPLY CHAIN PROBLEM USING STATISTICAL HYPOTHESIS TEST AND TOPSIS AND SAW METHODS

Author(s)

Heidari Fathian H. | PASANDIDEH S.H.R. | Issue Writer Certificate

Keywords

Supply chain managementQ1

multi-objective optimizationQ1

statistical hypothesis testQ2

MADMQ1

Abstract

In traditional Supply chain management, the focus of the integration of supply chain network is usually on a single objective, i. e., minimum cost or maximum profit. However, the modelling of a supply chain requires more than a single objective such as lead-time minimization, service level maximization, and so on. Sometimes, these objectives may cause conflicts such as increasing the service level which usually leads to a growth in costs. Therefore, the aim must be to find trade-off solutions to satisfy the conflicting objectives. In multi-objective optimization problems, there is no single optimum solution, but there is a solution set which creates Pareto optimal solutions. Pareto optimal solutions are a set of tradeoffs between different objectives and are non-dominated solutions, i. e., there is no other solution which would improve an objective without causing worsening of at least one of the other objectives "This paper introduces a bi-objective optimization model of a multi-product multi-period three-echelon supply chain network consisting of manufacturing plants, distribution centers, and customer nodes. the two objectives are minimization of the total cost while maximizing the average safe inventory levels of manufacturing plans and distribution centers. The goal is to determine the quantities of the products produced by the following: the manufactured plants in different periods, number and locations of the warehouses, quantities of products transported between the supply chain entities, inventory of products in warehouses and plants, short safe inventory of product in warehouses and plants, and shortage quantity of the customer nodes. The problem is first formulated into the framework of a constrained bi-objective mixed integer nonlinear programming model. Then, to solve the problem, two multi-objective decision-making (MODM) methods are investigated. Then, the performances of these methods are compared in terms of both the solution quality and CPU time required in an attempt to select the best one. For this purpose, statistical hypothesis test and TOPSIS methods are used. Finally, using some parameters, a sensitivity analysis has been carried out to test the sensitivit of the proposed model.

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APA: Copy

Heidari Fathian, H., & PASANDIDEH, S.H.R.. (2018). MODELING AND SOLVING A THREE-ECHELON SUPPLY CHAIN PROBLEM USING STATISTICAL HYPOTHESIS TEST AND TOPSIS AND SAW METHODS. INDUSTRIAL ENGINEERING & MANAGEMENT SHARIF (SHARIF: ENGINEERING), 34-1(1/1 ), 87-94. SID. https://sid.ir/paper/107676/en

Vancouver: Copy

Heidari Fathian H., PASANDIDEH S.H.R.. MODELING AND SOLVING A THREE-ECHELON SUPPLY CHAIN PROBLEM USING STATISTICAL HYPOTHESIS TEST AND TOPSIS AND SAW METHODS. INDUSTRIAL ENGINEERING & MANAGEMENT SHARIF (SHARIF: ENGINEERING)[Internet]. 2018;34-1(1/1 ):87-94. Available from: https://sid.ir/paper/107676/en

IEEE: Copy

H. Heidari Fathian, and S.H.R. PASANDIDEH, “MODELING AND SOLVING A THREE-ECHELON SUPPLY CHAIN PROBLEM USING STATISTICAL HYPOTHESIS TEST AND TOPSIS AND SAW METHODS,” INDUSTRIAL ENGINEERING & MANAGEMENT SHARIF (SHARIF: ENGINEERING), vol. 34-1, no. 1/1 , pp. 87–94, 2018, [Online]. Available: https://sid.ir/paper/107676/en

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