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Time-Dependent Dynamic Location and Relocation of Ambulances

In: Operations Research Proceedings 2013

Author

Listed:
  • Lara Wiesche

    (Ruhr University Bochum)

Abstract

The rescue service is an important part of public health care, which is provided to the general public by the state. A crucial aspect of the rescue service is the first aid of patients provided by the local emergency medical service (EMS). Given a limited budget, the available resources, e. g. ambulances, have to be used efficient in order to ensure a high quality coverage. Empirical studies have shown temporal and spatial variations of emergency demand as well as variations of travel times during the day. Existing models do not sufficiently consider time-dependency of important model parameters as demand and travel times for EMS vehicles. Especially the use of flexible ambulance locations, e.g. hospitals or voluntary fire departments, can be useful to reach a suitable coverage. A mixed-integer linear program is formulated in order to explicitly model time-dependent demand and travel times. On an extensive case study it is shown that the presented dynamic model outperforms existing static models with respect to coverage and utilization of resources.

Suggested Citation

  • Lara Wiesche, 2014. "Time-Dependent Dynamic Location and Relocation of Ambulances," Operations Research Proceedings, in: Dennis Huisman & Ilse Louwerse & Albert P.M. Wagelmans (ed.), Operations Research Proceedings 2013, edition 127, pages 481-486, Springer.
    • Handle: RePEc:spr:oprchp:978-3-319-07001-8_65
    DOI: 10.1007/978-3-319-07001-8_65
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    Cited by:

    1. Degel, Dirk & Wiesche, Lara & Rachuba, Sebastian & Werners, Brigitte, 2014. "Reorganizing an existing volunteer fire station network in Germany," Socio-Economic Planning Sciences, Elsevier, vol. 48(2), pages 149-157.

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