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Queueing models with fuzzy data in construction management

  • Michael Oberguggenberger

Summary

Queueing problems arise in civil engineering, e. g., in earth work at large construction sites when an excavator serves a number of transport vehicles. Due to a large number of fuzzy side conditions, it is not plausible that a precise estimate for the input parameters can be given, as required in standard probabilistic queueing models. In this article, two alternatives are described that allow to incorporate data uncertainty: a probabilistic queueing model with fuzzy input and fuzzy probabilities, and a purely fuzzy queueing model formulated in terms of network theory.

Keywords

Membership Function Fuzzy Number Return Time Triangular Fuzzy Number Transport Vehicle 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Michael Oberguggenberger
    • 1
  1. 1.Institut für Technische Mathematik, Geometrie und BauinformatikUniversität InnsbruckAustria

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