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Logistics optimization for a coal supply chain

  • Gleb BelovEmail author
  • Natashia L. Boland
  • Martin W. P. Savelsbergh
  • Peter J. Stuckey
Article
  • 33 Downloads

Abstract

The Hunter Valley coal export supply chain in New South Wales, Australia, is of great importance to the Australian economy. Effectively managing its logistics, however, is challenging, because it is a complex system, covering a large geographic area and comprising a rail network, three coal terminals, and a port, and has many stakeholders, e.g., mining companies, port authorities, coal terminal operators, rail infrastructure providers, and above rail operators. We develop a matheuristic logistics planning system which integrates, amongst other concerns, train scheduling, stockpile management, and vessel scheduling. Different components of the supply chain are modeled at different levels of granularity. An extensive computational study has generated insights into the bottlenecks in the logistics system, which are used to guide changes in operating policies and future investments. The planning system uses a solver-independent modeling technology. This allowed us to observe differences between the performance of constraint programming and mixed-integer programming in the context of a rolling-horizon approach, due to custom search heuristics.

Keywords

Scheduling Packing Solver-independent modeling Large neighborhood search Rolling horizon Custom search strategy Tidal constraints 

Notes

Acknowledgements

We would like to thank the strategic planning team at the HVCCC for many insightful and helpful suggestions, as well as to Opturion Ltd for providing their version of the CPX solver under an academic license.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2020

Authors and Affiliations

  1. 1.Faculty of Information TechnologyMonash UniversityClaytonAustralia
  2. 2.Industrial and Systems EngineeringGeorgia Institute of TechnologyAtlantaUSA

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