A nonlinear fluctuation smoothing policy for production scheduling in a wafer fabrication factory
碩士 === 逢甲大學 === 工業工程與系統管理學研究所 === 97 === To further improve the performance of scheduling jobs in a wafer fabrication factory, a fuzzy-neural system is constructed in this study. The fuzzy-neural system is modified from the well-known fluctuation smoothing rule with three innovative treatments. At f...
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ndltd-TW-097FCU050310292015-11-13T04:09:16Z http://ndltd.ncl.edu.tw/handle/11717031463197442268 A nonlinear fluctuation smoothing policy for production scheduling in a wafer fabrication factory 應用非線性波動平滑法來進行晶圓廠的生產排程 Kai-Hsiang Yang 楊凱翔 碩士 逢甲大學 工業工程與系統管理學研究所 97 To further improve the performance of scheduling jobs in a wafer fabrication factory, a fuzzy-neural system is constructed in this study. The fuzzy-neural system is modified from the well-known fluctuation smoothing rule with three innovative treatments. At first, the remaining cycle time of a job is estimated by applying Chen et al’s fuzzy-neural approach to improve the estimation accuracy. Secondly, the components of the fluctuation smoothing rule are normalized, and then the division operator is applied instead of the traditional subtraction operator to enhance the responsiveness of the rule. Thirdly, the content of the fuzzy-neural system can be tailored for the wafer fabrication factory to be scheduled with two adjustment factors. To evaluate the effectiveness of the proposed methodology, production simulation is also applied in this study to generate some test data. According to experimental results, the proposed methodology outperformed nine existing approaches in reducing the average cycle time and standard deviations. Besides, the fuzzy-neural system was also shown to be a Pareto optimal solution for scheduling jobs in a semiconductor manufacturing factory. Tin-Chih Chen 陳亭志 2009 學位論文 ; thesis 68 zh-TW |
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碩士 === 逢甲大學 === 工業工程與系統管理學研究所 === 97 === To further improve the performance of scheduling jobs in a wafer fabrication factory, a fuzzy-neural system is constructed in this study. The fuzzy-neural system is modified from the well-known fluctuation smoothing rule with three innovative treatments. At first, the remaining cycle time of a job is estimated by applying Chen et al’s fuzzy-neural approach to improve the estimation accuracy. Secondly, the components of the fluctuation smoothing rule are normalized, and then the division operator is applied instead of the traditional subtraction operator to enhance the responsiveness of the rule. Thirdly, the content of the fuzzy-neural system can be tailored for the wafer fabrication factory to be scheduled with two adjustment factors. To evaluate the effectiveness of the proposed methodology, production simulation is also applied in this study to generate some test data. According to experimental results, the proposed methodology outperformed nine existing approaches in reducing the average cycle time and standard deviations. Besides, the fuzzy-neural system was also shown to be a Pareto optimal solution for scheduling jobs in a semiconductor manufacturing factory.
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Tin-Chih Chen |
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Tin-Chih Chen Kai-Hsiang Yang 楊凱翔 |
author |
Kai-Hsiang Yang 楊凱翔 |
spellingShingle |
Kai-Hsiang Yang 楊凱翔 A nonlinear fluctuation smoothing policy for production scheduling in a wafer fabrication factory |
author_sort |
Kai-Hsiang Yang |
title |
A nonlinear fluctuation smoothing policy for production scheduling in a wafer fabrication factory |
title_short |
A nonlinear fluctuation smoothing policy for production scheduling in a wafer fabrication factory |
title_full |
A nonlinear fluctuation smoothing policy for production scheduling in a wafer fabrication factory |
title_fullStr |
A nonlinear fluctuation smoothing policy for production scheduling in a wafer fabrication factory |
title_full_unstemmed |
A nonlinear fluctuation smoothing policy for production scheduling in a wafer fabrication factory |
title_sort |
nonlinear fluctuation smoothing policy for production scheduling in a wafer fabrication factory |
publishDate |
2009 |
url |
http://ndltd.ncl.edu.tw/handle/11717031463197442268 |
work_keys_str_mv |
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