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    ASIA unversity > 管理學院 > 經營管理學系  > 期刊論文 >  Item 310904400/8755

    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/8755

    Title: The evaluation of search range assignment in 300 mm automated material handling system (AMHS)
    Authors: Sha, D.Y.;Lin, J.T.;Yang, C.J.
    Contributors: Department of Business Administration
    Keywords: Automation;Computer simulation;Machine design;Automated material handling system (AMHS);Dispatching;Search range
    Date: 2008
    Issue Date: 2010-04-08 18:54:07 (UTC+8)
    Publisher: Asia University
    Abstract: In the 300 mm AMHS with a connected loops layout, the vehicle can travel not just in one loop but all around the wide fab to execute tool-to-tool delivery. Determining how far the waiting FOUPs (WFs) or idle vehicles (IVs) should be considered before selecting a dispatching rule might make dispatching more efficient. A two-phase approach with simulation has been developed to assign the search range (SR) for studying this idea. The model of a simplified 300 mm AMHS was built using eM-Plant and Design Expert to design experiments and analyse the results. In phase I, the number of WF and IV in the system at the time of dispatching will affect the distance of the vehicle's empty trip (DVemp). Further, the SR was assigned and evaluated based on the average and standard deviation of DVemp under different numbers of WF and IV in phase II. The results indicated that the SR significantly affects the performance, and a longer SR used in a light system is feasible; a shorter SR is applicable for a heavy system. © 2006 Springer-Verlag London Limited.
    Relation: International Journal of Advanced Manufacturing Technology 35:697-710
    Appears in Collections:[經營管理學系 ] 期刊論文

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