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Mathematical Problems in Engineering - Volume 2015 2015, Article ID 565403, 17 pages -

Research Article

School of Civil and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China

Chinese Academy of Governance, Beijing 100089, China

Institute of Public Safety, China Academy of Safety Science and Technology, Beijing 100012, China

Received 4 October 2014; Revised 5 December 2014; Accepted 8 December 2014

Academic Editor: Erik Cuevas

Copyright © 2015 Wen-mei Gai et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In order to model route planning problem for emergency logistics management taking both route timeliness and safety into account, a multiobjective mathematical model is proposed based on the theories of bounded rationality. The route safety is modeled as the product of safety through arcs included in the path. For solving this model, we convert the multiobjective optimization problem into its equivalent deterministic form. We take uncertainty of the weight coefficient for each objective function in actual multiobjective optimization into account. Finally, we develop an easy-to-implement heuristic in order to gain an efficient and feasible solution and its corresponding appropriate vector of weight coefficients quickly. Simulation results show the effectiveness and feasibility of the models and algorithms presented in this paper.





Autor: Wen-mei Gai, Zhong-an Jiang, Yun-feng Deng, Jing Li, and Yan Du

Fuente: https://www.hindawi.com/



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