In this article, multiple-product PVRP with pickup and delivery that is used widely in goods distribution or other
service companies, especially by railways, was introduced. A mathematical formulation was provided for this problem.
Each product had a set of vehicles which could carry the product and pickup and delivery could simultaneously
occur. To solve the problem, two meta-heuristic methods, both based on particle swarm optimization, were provided
and ran for small and large class problems and their efficiency were demonstrated. Also, efficiency of binary PSO to
general PSO was tested and BPSO was shown to outperform the general method. This approach can be used in railway
transportation.
In this article, multiple-product PVRP with pickup and delivery that is used widely in goods distribution or otherservice companies, especially by railways, was introduced. A mathematical formulation was provided for this problem.Each product had a set of vehicles which could carry the product and pickup and delivery could simultaneouslyoccur. To solve the problem, two meta-heuristic methods, both based on particle swarm optimization, were providedand ran for small and large class problems and their efficiency were demonstrated. Also, efficiency of binary PSO togeneral PSO was tested and BPSO was shown to outperform the general method. This approach can be used in railwaytransportation.
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