Predicting the mean cycle time as a function of throughput and product mix for cluster tool workstations using EPT-based aggregate modeling

C.P.L. Veeger, L.F.P. Etman, J. Herk, van, J.E. Rooda

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    2 Citations (Scopus)
    162 Downloads (Pure)

    Abstract

    Predicting the mean cycle time as a function of throughput and product mix is helpful in making the production planning for cluster tools. To predict the mean cycle time, detailed simulation models may be used. However, detailed models require much development time, and it may not be possible to estimate all model parameters. Instead of a detailed simulation model, we propose to use a so-calledaggregate model to predict the mean cycle time as a function of throughput and product mix. The aggregate model is a lumped-parameter representation of the queueing system. We estimate the parameters of the aggregate model from arrival and departure data using the Effective Process Time (EPT) concept. The proposedmethod is illustrated for a simulation test case and a Crolles2 cluster tool workstation. The method accurately predicts the mean cycle time in a region around the workstations' operational product mix.
    Original languageEnglish
    Title of host publicationProceedings of the 20th Annual IEEE/SEMI Advanced Semiconductor Manufacturing Conference (ASMC 2009)
    Place of PublicationGermany, Berlin
    Pages80-85
    DOIs
    Publication statusPublished - 2009
    Event20th Annual IEEE/SEMI Asvanced Semiconductor Manufacturing Conference (ASMC 2009) - Berlin, Germany
    Duration: 10 May 200912 May 2009
    Conference number: 20

    Conference

    Conference20th Annual IEEE/SEMI Asvanced Semiconductor Manufacturing Conference (ASMC 2009)
    Abbreviated titleASMC 2009
    Country/TerritoryGermany
    CityBerlin
    Period10/05/0912/05/09

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