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A Gravitational Search Algorithm Approach for Optimizing Closed-Loop Logistics Network
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Author(s): Abdolhossein Sadrnia (University Putra Malaysia, Malaysia), Hossein Nezamabadi-Pour (Shahid Bahonar University of Kerman, Iran), Mehrdad Nikbakht (University Putra Malaysia, Malaysia)and Napsiah Ismail (University Putra Malaysia, Malaysia)
Copyright: 2013
Pages: 23
Source title:
Meta-Heuristics Optimization Algorithms in Engineering, Business, Economics, and Finance
Source Author(s)/Editor(s): Pandian M. Vasant (Petronas University of Technology, Malaysia)
DOI: 10.4018/978-1-4666-2086-5.ch020
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Abstract
Since late in the 20th century, various heuristic and metaheuristic optimization methods have been developed to obtain superior results and optimize models more efficiently. Some have been inspired by natural events and swarm behaviors. In this chapter, the authors illustrate empirical applications of the gravitational search algorithm (GSA) as a new optimization algorithm based on the law of gravity and mass interactions to optimize closed-loop logistics network. To achieve these aims, the need for a green supply chain will be discussed, and the related drivers and pressures motivate us to develop a mathematical model to optimize total cost in a closed-loop logistic for gathering automobile alternators at the end of their life cycle. Finally, optimizing total costs in a logistic network is solved using GSA in MATLAB software. To express GSA capabilities, a genetic algorithm (GA), as a common and standard metaheuristic algorithm, is compared. The obtained results confirm GSA’s performance and its ability to solve complicated network problems in closed-loop supply chain and logistics.
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