Research on dynamic LAP model of emergency logistics public-private collaboration in aftermath of earthquake

doi:10.16265/j.cnki.issn1003-3033.2018.03.030

Abstract

Abstract: In view of the severe shortage of emergency materials in the disaster area in the aftermath of earthquake and on the basis of perspective of fairness and efficiency, the paper constructed a two-layer dynamic LAP model that integrated multi-period,multi-objective and multi-material logistics resources with the greatest satisfaction, the lowest total cost, and the least personnel loss, so as to meet the different emergency needs of multiple subjects. The upper level of the model was aimed to maximize the satisfaction rate of commodities, while the lower level was aimed to maximize the time satisfaction rate. Then, a genetic algorithm was designed to solve the optimization problem. Finally, taking Wenchuan earthquake as an example, the model and the algorithm were verified. The result indicates that the model can be used to realize multi-material dynamic LAP decision-making under the coordination of public and private logistics in the aftermath earthquake, taking into account fairness and efficiency.

Key words: emergency logistics, location-allocation problem(LAP), public-private collaboration, multi-cycle, fairness and efficiency

CLC Number:

X913.4

SONG Yinghua, NING Jingjing, LYU Wei, DU Lijing. Research on dynamic LAP model of emergency logistics public-private collaboration in aftermath of earthquake[J]. China Safety Science Journal, 2018, 28(3): 173-178.

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