Flexible Services and Manufacturing Journal

, Volume 26, Issue 4, pp 585–608 | Cite as

An exact reoptimization algorithm for the scheduling of elevator groups

  • Benjamin Hiller
  • Torsten Klug
  • Andreas Tuchscherer
Article

Abstract

The task of an elevator control is to schedule the elevators of a group such that small waiting and travel times for the passengers are obtained. We present an exact reoptimization algorithm for this problem. A reoptimization algorithm computes a new schedule for the elevator group each time a new passenger arrives. Our algorithm uses column generation techniques and is, to the best of our knowledge, the first exact reoptimization algorithm for a group of passenger elevators. To solve the column generation problem, we propose a Branch & Bound method. The overall algorithm finds high-quality solutions very quickly.

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Benjamin Hiller
    • 1
  • Torsten Klug
    • 1
  • Andreas Tuchscherer
    • 1
  1. 1.Zuse Institute BerlinBerlinGermany

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