The vehicle routing problem
MACS-VRPTW: A Multiple Ant Colony System for Vehicle Routing Problems with Time Windows
MACS-VRPTW: A Multiple Ant Colony System for Vehicle Routing Problems with Time Windows
MICAI'07 Proceedings of the artificial intelligence 6th Mexican international conference on Advances in artificial intelligence
An ant colony system algorithm to solve routing problems applied to the delivery of bottled products
ISMIS'08 Proceedings of the 17th international conference on Foundations of intelligent systems
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In this paper a real and complex transportation problem including routing, scheduling and loading tasks is presented. Most of the related works only involve the solution of routing and scheduling, as a combination of up to five different types of VRPs (Rich VRP), leaving away the loading task, which are not enough to define more complex real-world cases. We propose a solution methodology for transportation instances that involve six types of VRPs, a new constraint that limits the number of vehicles that can be attended simultaneously and the loading tasks. They are solved using an Ant Colony System algorithm, which is a distributed metaheuristic. Results from a computational test using real-world instances show that the proposed approach outperforms the transportation planning related to manual designs. Besides a well-known VRP benchmark was solved to validate the approach.