Decentralized Fuzzy P-hub Centre Problem: Extended Model and Genetic Algorithms

Mousavinia, Sara; Khalili, Majid; Shafiee, Mohammad

doi:10.22034/2017.1.07

Decentralized Fuzzy P-hub Centre Problem: Extended Model and Genetic Algorithms

Document Type : Research Paper

Authors

Department of industrial engineering, Islamic Azad University of Karaj, Karaj, Iran

10.22034/2017.1.07

Abstract

This paper studies the uncapacitated P-hub center problem in a network under decentralized management assuming time as a fuzzy variable. In this network, transport companies act independently, each company makes its route choices according to its own criteria. In this model, time is presented by triangular fuzzy number and used to calculate the fraction of users that probably choose hub routes instead of direct routes. To solve the problem, two genetic algorithms are proposed. The computational results compared with LINGO indicate that the proposed algorithm solves large-scale instances within promising computational time and outperforms LINGO in terms of solution quality.

Keywords

Main Subjects

logistics, transportation, distribution, and materials Handling

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