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Variability and the fundamental properties of production lines

  • Kan Wu*
  • , Yaoming Zhou
  • , Ning Zhao
  • *Corresponding author for this work
  • Nanyang Technological University
  • Kunming University of Science and Technology

Research output: Contribution to journalArticlepeer-review

Abstract

The concept of variability has been commonly used in practice and it is an important performance index of manufacturing systems. In this study, the definition of system variability is given through the insight of Kingman's approximation. The explicit expression for the variability of a production line is derived based on intrinsic ratios and contribution factors. With the derived results, properties of variability for a production line in terms of job arrival rate, service rate and bounds on variability are examined. Simulation results are given to validate the derived properties. The result can be used to guide the design and operations of manufacturing systems.

Original languageEnglish
Pages (from-to)364-371
Number of pages8
JournalComputers and Industrial Engineering
Volume99
DOIs
StatePublished - 1 Sep 2016

Keywords

  • Production lines
  • Queueing theory
  • Tandem queues
  • Variability

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