A multi-objective optimization model for sustainable supply chain network with using genetic algorithm

Purpose The purpose of this paper is to design and optimize economic and environmental dimensions in a sustainable supply chain (SSC) network. This paper developed a mixed-integer linear programing (MILP) model to incorporate economical and environmental data for multi-objective optimization of the...

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Bibliographic Details
Published in:Journal of modelling in management Vol. 16; no. 2; pp. 714 - 727
Main Authors: Ehtesham Rasi, Reza, Sohanian, Mehdi
Format: Journal Article
Language:English
Published: Bradford Emerald Publishing Limited 25.05.2021
Emerald Group Publishing Limited
Subjects:
Costs
Emission standards
Emissions
Energy efficiency
Genetic algorithms
Manufacturing
Mathematical models
Optimization
Profitability
Raw materials
Social sustainability
Suppliers
Supply chain management
Sustainability reporting
Sustainable development
Supply chain management
Algorithms
Multi-objective
Meta-heuristic algorithms
Sustainability
Optimization
ISSN:1746-5664, 1746-5672
Online Access:Get full text
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Summary:Purpose The purpose of this paper is to design and optimize economic and environmental dimensions in a sustainable supply chain (SSC) network. This paper developed a mixed-integer linear programing (MILP) model to incorporate economical and environmental data for multi-objective optimization of the SSC network. Design/methodology/approach The overall objective of the present study is to use high-quality raw materials, at the same time the lowest amount of pollution emission and the highest profitability is achieved. The model in the problem is solved using two algorithms, namely, multi-objective genetic and multi-objective particle swarm. In this research, to integrate sustainable supplier selection and optimization of sustainability performance indicators in supply chain network design considering minimization of cost and time and maximization of sustainability indexes of the system. Findings The differences found between the genetic algorithms (GAs) and the MILP approaches can be explained by handling the constraints and their various logics. The solutions are contrasted with the original crisp model based on either MILP or GA, offering more robustness to the proposed approach. Practical implications The model is applied to Mega Motor company to optimize the sustainability performance of the supply chain i.e. economic (cost), social (time) and environmental (pollution of raw material). The research method has two approaches, namely, applied and mathematical modeling. Originality/value There is limited research designing and optimizing the SSC network. This study is among the first to integrate sustainable supplier selection and optimization of sustainability performance indicators in supply chain network design considering minimization of cost and time and maximization of sustainability indexes of the system.
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ISSN:1746-5664
1746-5672
DOI:10.1108/JM2-06-2020-0150