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A Variable Neighborhood Search Approach for the Interdependent Lock Scheduling Problem

  • Matthias Prandtstetter
  • Ulrike Ritzinger
  • Peter Schmidt
  • Mario Ruthmair
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9026)

Abstract

We investigate a so far not examined problem called the Interdependent Lock Scheduling Problem. A Variable Neighborhood Search approach is proposed for finding lock schedules along the Austrian part of the Danube River in order to minimize the overall ship travel times. In computational experiments the performance of our approach is assessed and compared to real-world ship trajectories. Notable improvements can be achieved. In addition, the number of (empty) lockages can be significantly reduced when taking them into account during optimization without loosing too much of quality in travel time optimization.

Keywords

Interdependent lock scheduling problem Variable neighborhood search 

Notes

Acknowledgements

We want to thank our project partners viadonau– Österreichische Wasserstraßen-Gesellschaft mbH and Zentralanstalt für Meteorologie und Geodynamik for providing us valuable insights into meteorological as well as nautical processes and challenges related to them as well as providing us relevant data.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Matthias Prandtstetter
    • 1
  • Ulrike Ritzinger
    • 1
  • Peter Schmidt
    • 1
  • Mario Ruthmair
    • 1
  1. 1.AIT Austrian Institute of Technology, Mobility Department – Dynamic Transportation SystemsViennaAustria

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