A hybrid push/pull-dispatching rule for a photobay in a 300 mm wafer fab

J. T. Lin, F. K. Wang*, Y. M. Chang

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

36 Scopus citations

Abstract

In this paper, the simulation analysis of an automated material handling system (AMHS) for a photobay in a 300 mm wafer fab was analyzed, considering the effects of the dispatching rules. Discrete-event simulation models were developed in an e-M Plant to study this system. Currently, the combination of the shortest distance with the nearest vehicle (SD_NV) and the first-encounter first-served (FEFS) dispatching rule was used in this system. In order to improve the system performance, a hybrid push/pull (PP) dispatching rule was proposed. The simulation results reveal a substantial improvement of the AMHS performance and reduced the WIP and cycle time as a consequence of implementing a PP dispatching rule.

Original languageEnglish
Pages (from-to)47-55
Number of pages9
JournalRobotics and Computer-Integrated Manufacturing
Volume22
Issue number1
DOIs
StatePublished - 02 2006
Externally publishedYes

Keywords

  • Hybrid push/pull
  • Photobay
  • Simulation

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