Optimal recovery sequencing for enhanced resilience and service restoration in transportation networks
by Eric D. Vugrin; Mark A. Turnquist; Nathanael J.K. Brown
International Journal of Critical Infrastructures (IJCIS), Vol. 10, No. 3/4, 2014

Abstract: Critical infrastructure resilience has become a national priority for the US Department of Homeland Security. Rapid and efficient restoration of service in damaged transportation networks is a key area of focus. The intent of this paper is to formulate a bi-level optimisation model for network recovery and to demonstrate a solution approach for that optimisation model. The lower-level problem involves solving for network flows, while the upper-level problem identifies the optimal recovery modes and sequences, using tools from the literature on multi-mode project scheduling problems. Application and advantages of this method are demonstrated through two examples.

Online publication date: Wed, 17-Dec-2014

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