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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/64837


    Title: 應用模擬在考量存貨限制下派工法則之探討--以國內晶圓代工廠為例
    Authors: 莊育宏;Chuang,Yu-Hung
    Contributors: 工業管理研究所在職專班
    Keywords: 派工法則;模擬;達交率;Order fill rate;simulation;dispatching method
    Date: 2014-07-07
    Issue Date: 2014-10-15 14:29:44 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 在競爭激烈的半導體產業中,對於接單式生產為主的晶圓代工廠來說,必須致力於滿足客戶的需求,而達交率是最重要的指標之一。由於砷化鎵晶圓代工過程相當漫長且複雜,加工過程中常會發生一些無法預期的狀況,例如瓶頸機台堆貨、機台當機和製程異常,一旦發生皆會嚴重影響整體生產排程,根據長鞭效應,越後段的站點影響越大。在有限的資源下,需利用一些有效的管理方法,找出最佳生產排程,以滿足客戶的交期。
    本研究主要針對某砷化鎵晶圓代工廠的測試部門,利用Arena模擬軟體,建構出一套生產線模型,用來比較各種派工法則的優劣。本研究主要的實驗包含無物料限制的狀況、將機台分群管理和考量物料存貨的限制的三種情境,比較模擬結果,找出適合該部門的派工法則。根據模擬結果,以最短處理時間法(SPT)和最大流程時間法(LFT)優於其他的派工法則,若考慮客戶對產品遲交的忍受度的話,會建議該部門以最大流程時間法為該部門的派工法則。;Order Fill Rate (OFR) is a key factor for the build-to-order production of semiconductor companies. Unpredictable issues such as: bottleneck machines with high WIP, process abnormalities and machine failure will affect production scheduling a lot, especially to the process-end procedures. Implementing some useful management methods is essential to enterprise to achieve the success of high tool utilization, low cycle time and to meet on time delivery.
    This study focus on comparing the application of dispatching rules in a testing department of GaAs wafer manufacturing. By using Arena, we construct a simplified production model to evaluate different dispatching approaches under three scenarios: (1) Non-material constrained situation (2) Tool clustering management (3) Inventory and material constrained.
    The result shows Shortest Process Time (SPT) and Largest Flow Time (LFT) have better performances than other methods. Considered customers’ tolerance on delay shipment, LFT will be the most commended dispatching method.
    Appears in Collections:[工業管理研究所碩士在職專班 ] 博碩士論文

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