A Linear Time Algorithm for Optimal Quay Crane Scheduling

Mathias Offerlin Herup, Gustav Christian Wichmann Thiesgaard, Jaike van Twiller, Rune Møller Jensen

Research output: Conference Article in Proceeding or Book/Report chapterArticle in proceedingsResearchpeer-review

Abstract

This paper studies the Quay Crane Scheduling Problem (QCSP). The QCSP determines how a number of quay cranes should be scheduled in order to service a vessel with minimum makespan. Previous work considers the QCSP to be a combinatorially hard problem. For that reason, the focus has been on developing efficient heuristics. Our study shows, however, that the QCSP is tractable in the realistic setting, where quay cranes can share the workload of bays. We introduce a novel linear time algorithm that solves the QCSP and prove its correctness.
Original languageEnglish
Title of host publication International Conference on Computational Logistics : Lecture Notes in Computer Science
Number of pages13
Volume13557
PublisherSpringer
Publication date14 Sept 2022
Pages60–73
DOIs
Publication statusPublished - 14 Sept 2022
EventInternational Conference on Computational Logistics 2022 - Universitat Pompeu Fabra, Barcelona, Spain
Duration: 21 Sept 202223 Sept 2022
https://eventum.upf.edu/78123/detail/international-conference-on-computational-logistics-iccl-2022.html

Conference

ConferenceInternational Conference on Computational Logistics 2022
LocationUniversitat Pompeu Fabra
Country/TerritorySpain
CityBarcelona
Period21/09/202223/09/2022
Internet address

Keywords

  • Quay crane scheduling
  • Container terminals
  • Computational complexity

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