臺灣博碩士論文加值系統

摘要
田口方法是工業界經常使用的方法之一，而現今工業界的作業流程都是屬於繁雜的製造程序，企業界經常需要多個品質特性而非只探討單一的品質特性，因田口方法無法解決多品質特性的問題，所以，本研究探討先以透過主成份分析方法在多品質的生產變數中，將有相關聯性的變數進行合併，然後再將簡化過後的變數透過多準則決策中的VIKOR(VlseKriterijumska Optimizacija I Kompromisno Resenje in Serbian, means Multicriteria Optimization and Compromise Solution)程序，找出各個變數間的評估值，最後將各個評估值套入在田口方法找出最佳參數組合。
因本研究先找出品質特性的損失比率，再使用主成份分析方法找出主成份，最後再從VIKOR方法找出綜合指標，可得到最佳參數組合為第十四組:A_2 B_2 C_3 D_1 E_2 F_3。
關鍵詞:田口方法、主成份分析、VIKOR

Abstract
The Taguchi method is one of the methods commonly used in the industry. The workflows of today’s business community belong to complex manufacturing processes. The business community not only explores single quality characteristics but also often requires multiple quality characteristics. Therefore, errors may result from using only the Taguchi method to find the optimal combination of parameters between the various variables of multiple quality characteristics. Factors such as different variables or multiple units can cause problems. Therefore, this study investigated the situation of multiple variables and multiple quality characteristics of products. First, the principal component analysis method was used to merge associated variables in the production of multiple variables without losing the original variables and the independent relationship between each main component. After the variables were simplified, VIKOR (VlseKriterijumska Optimizacija I Kompromisno Resenje, Serbian for Multicriteria Optimization and Compromise Solution) was used to find the best evaluation value between each variable. Finally, each evaluation value was then nested into the Taguchi method of multiple product quality characteristics to find the best combination of parameters.
In this study, first find out the quality characteristics of PQL, and then use principal component analysis to identify the main ingredient, and finally to find a comprehensive index from VIKOR, to obtain the best combination of parameters for A_2 B_2 C_3 D_1 E_2 F_3.

Key words: Taguchi methods、Principal Component Analysis、VIKOR

目錄
摘要 i
Abstract ii
目錄 iii
表目錄 v
圖目錄 vii
第一章、緒論 1
1.1 研究背景和動機 1
1.2研究目的 2
1.3論文內容 3
第二章、文獻探討 4
2.1田口方法 4
2.2主成份分析 6
2.3 VIKOR 8
第三章、研究方法 9
3.1 實驗說明 10
3.2田口方法 11
3.3以主成份分析找出主成份 13
3.4VIKOR 14
第四章、實驗結果與驗證 16
4.1實驗數據 16
4.2計算SN比 20
4.3主成份分析 21
4.4VIKOR 24
4.5實驗結果與驗證 28
第五章、結論與建議 35
參考文獻 36

參考文獻
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