期刊
APPLIED MATHEMATICAL MODELLING
卷 55, 期 -, 页码 262-280出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.apm.2017.10.041
关键词
Robust optimization; Emergency mobilization; Helicopter transportation; Uncertainty; Case study
资金
- National Natural Science Foundation of China [71371181, 71672193]
- China Postdoctoral Science Foundation [2012M521918]
Emergency logistics is an essential component of post-disaster relief campaigns. However, there are always various uncertainties when making decisions related to planning and implementing post-disaster relief logistics. Considering the particular environmental conditions during post-disaster relief after a catastrophic earthquake in a mountainous area, this paper proposes a stochastic model for post-disaster relief logistics to guide the tactical design for mobilizing relief supply levels, planning initial helicopter deployments, and creating transportation plans within the disaster region, given the uncertainties in demand and transportation time. We then introduce a robust optimization approach to cope with these uncertainties and deduce the robust counterpart of the proposed stochastic model. A numerical example based on disaster logistics during the Great Sichuan Earthquake demonstrates that the model can help post-disaster managers to determine the initial deployments of emergency resources. Sensitivity analyses explore the trade-off between optimization and robustness by varying the robust optimization parameter values. (C) 2017 Elsevier Inc. All rights reserved.
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