Robust Bi-Level Optimization for Maritime Emergency Materials Distribution in Uncertain Decision-Making Environments
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Published:2023-09-30
Issue:19
Volume:11
Page:4140
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ISSN:2227-7390
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Container-title:Mathematics
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language:en
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Short-container-title:Mathematics
Author:
Wang Cong12,
Peng Zhongxiu2,
Xu Wenqing2
Affiliation:
1. School of Economics and Management, Southeast University, Nanjing 211189, China
2. School of Maritime Economics and Management, Dalian Maritime University, Dalian 116026, China
Abstract
Maritime emergency materials distribution is a key aspect of maritime emergency responses. To effectively deal with the challenges brought by the uncertainty of the maritime transport environment, the multi-agent joint decision-making location-routing problem of maritime emergency materials distribution (MEMD-LRP) under an uncertain decision-making environment is studied. First, two robust bi-level optimization models of MEMD-LRP are constructed based on the effect of the uncertainty of the ship’s sailing time and demand of emergency materials at the accident point, respectively, on the premise of considering the rescue time window and priority of emergency materials distribution. Secondly, with the help of robust optimization theory and duality theory, the robust optimization models are transformed into robust equivalent models that are easy to solve. Finally, a hybrid algorithm based on the ant colony and tabu search (ACO-TS) algorithm solves multiple sets of numerical cases based on the case design of the Bohai Sea area, and analyzes the influence of uncertain parameters on the decision making of MEMD-LRP. The study of MEMD-LRP under uncertain decision-making environments using bi-level programming and robust optimization methods can help decision makers at different levels of the maritime emergency logistics system formulate emergency material reserve locations and emergency material distribution schemes that can effectively deal with the uncertainty in maritime emergencies.
Funder
Jiangsu Planned Projects for Postdoctoral Research Funds
Fundamental Research Funds for the Central Universities
Humanities and Social Science Fund of Ministry of Education of China
Natural Science Foundation of Guangdong Province
Philosophy and Social Science Planning Project of Guangdong Province
Subject
General Mathematics,Engineering (miscellaneous),Computer Science (miscellaneous)
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