期刊
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
卷 248, 期 2, 页码 487-506出版社
ELSEVIER
DOI: 10.1016/j.ejor.2015.07.046
关键词
Transportation; Tractor-and-trailer; Resource synchronization; Fix-and-optimize; Case-study
资金
- ERDF - European Regional Development Fund through the COMPETE Programme (operational programme for competitiveness)
- National Funds through the FCT - Funda cao para a Ciencia e a Tecnologia (Portuguese Foundation for Science and Technology) [FCOMP-01-0124-FEDER-037281]
This research aims at tackling a real-world long-haul freight transportation problem where tractors are allowed to exchange semi-trailers through several transshipment points until a request reaches its destiny. The unique characteristics of the considered logistics network allow for providing long-haul services by means of short-haul jobs, drastically reducing empty truck journeys. A greater flexibility is achieved with faster responses. Furthermore, the planning goals as well as the nature of the considered trips led to the definition of a new problem, the long-haul freight transportation problem with multiple transshipment locations. A novel mathematical formulation is developed to ensure resource synchronization while including realistic features, which are commonly found separately in the literature. Considering the complexity and dimension of this routing and scheduling problem, a mathematical programming heuristic (matheuristic) is developed with the objective of obtaining good quality solutions in a reasonable amount of time, considering the logistics business context. We provide a comparison between the results obtained for 79 real-world instances. The developed solution method is now the basis of a decision support system of a Portuguese logistics operator (LO). (C) 2015 Elsevier B.V. and Association of European Operational Research Societies (EURO) within the International Federation of Operational Research Societies (IFORS). All rights reserved.
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