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Mathematical Problems in Engineering
Volume 2013 (2013), Article ID 841458, 6 pages
http://dx.doi.org/10.1155/2013/841458
Research Article

Dynamic Optimization Model and Algorithm Design for Emergency Materials Dispatch

College of Field Engineering, PLA University of Science &Technology, Nanjing 210007, China

Received 8 July 2013; Revised 20 October 2013; Accepted 12 November 2013

Academic Editor: Davide Spinello

Copyright © 2013 Bingbing Dan 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

Emergency materials dispatch (EMD) is a typical dynamic vehicle routing problem (DVRP) and it concentrates on process strategy solving, which is different from the traditional static vehicle routing problem. Based on the characteristics of emergency materials dispatch, DVRP changed the EMD into a series of static problems in time axis. A mathematical multiobjective model is established, and the corresponding improved ant colony optimization algorithm is designed to solve the problem. Finally, a numeric example is provided to demonstrate the validity and feasibility of this proposed model and algorithm.