The Combined Vehicle Routing and Foldable Container Scheduling Problem: A Model Formulation and Tabu Search Based Solution Approaches

The Combined Vehicle Routing and Foldable Container Scheduling Problem: A Model Formulation and Tabu Search Based Solution Approaches

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Article ID: iaor20135004
Volume: 50
Issue: 4
Start Page Number: 147
End Page Number: 162
Publication Date: Nov 2013
Journal: INFOR: Information Systems and Operational Research
Authors: , ,
Keywords: heuristics: tabu search
Abstract:

In the presented work foldable containers are used to transport wood products from forest sites to sawmills and further on to customers. In order to solve this overall planning problem a combined vehicle routing and container scheduling system is developed and formulated as a Mixed Integer Programming model. The solution process of the problem is state‐dependent during execution and integrates empty container management and vehicle routing. Real life sized problem instances are solved with Tabu Search based solution methods that are both compared to each other and to results obtained with solver software. Extensive numerical studies were made to test the model and prove the good performance of the presented solution approaches. The initial solution of the metaheuristics is computed with a modified nearest neighbour method. Especially, the dynamic Tabu Search with Alternating Strategy, where neighbourhoods are changed dynamically, shows a good performance on required solution quality.

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