HighlightsWe investigate a new variant of the container drayage problem under a separation mode.We present a graphical representation and then reduce the original problem to an asymmetric multiple traveling salesman problem with time windows.We develop a branch-and-price-and-cut algorithm to solve the problem. A hybrid acceleration strategy for solving the pricing problem and a pair of bounds are introduced for performance improvement.We conduct extensive computational experiments on a set of randomly generated instances to validate the proposed approach and obtain managerial insights.
AbstractIn this paper, we consider the container drayage problem under a separation mode in which a container can be separated from the truck during (un-)loading operation, and some emptied containers should return to the depot for maintenance. The problem is equivalently transformed into a variant of the asymmetric vehicle routing problem with time windows (a-VRPTW) based on a determined-activities-on-vertex (DAOV) graph. We present an arc-flow formulation and propose a branch-and-price-and-cut algorithm to exactly solve it. Computational results on a set of randomly generated instances show that the proposed algorithm outperforms CPLEX in terms of efficiency and effectiveness and the separation mode is advantageous over the stay-with mode.
An exact algorithm for the container drayage problem under a separation mode
2017-07-24
24 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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