臺灣博碩士論文加值系統

抽樣檢驗計畫在品質管制領域裡扮演著非常重要的角色，其提供買賣雙方一個貨批判斷的決策方法，廣泛地應用於原物料、半成品、成品與出貨之檢驗上。在本研究論文裡，我們以變異係數(CV)指標建構兩種不同型態的快速轉換抽樣系統，此兩種抽樣系統均由正常檢驗與加嚴檢驗所組成。型態一系統表示正常檢驗與加嚴檢驗的允收值不同，但樣本數相同；型態二系統則是正常檢驗與加嚴檢驗的允收值相同，但樣本數不同。本抽樣系統之設計是在滿足作業特性曲線(OC 曲線)的兩點原則並使的樣本數最小化之條件下，決定抽樣計畫所需的樣本數和允收值。基於實用性之目的，在給定一般常用的生產者風險、消費者風險以及品質水準下，我們提供抽樣系統之抽樣計畫參數表。此外，我們以樣本數和 OC 曲線作為績效評估指標，對本抽樣系統與現有 CV 抽樣檢驗計畫進行比較分析。研究結果顯示，型態一系統具有較佳的績效表現，其檢驗樣本數顯著低於其他抽樣檢驗計畫，可以節省大量的檢驗成本。

Sampling inspection plan plays a very important role on quality control, which provides both buyer and seller a decision method of lot sentencing, extensively applied in the inspection of raw materials, semi-products, finished-products and outgoing. In this research, we develop two types of quick switching sampling system based on coefficient of variation (CV), and the two types of systems are composed of normal inspection and tighten inspection. Type I system means the acceptance value of normal inspection differs from that of tighten inspection while their sample size is the same. Type II system means the acceptance value of normal inspection is the same to that of tighten inspection while their sample size is different. The sample size and critical acceptance values of the proposed plan are determined by minimizing the sample size under the condition of satisfying the two-points of operating characteristic (OC) curve. For practical purpose, the parameters of the proposed plan are provided for some combinations of quality levels with commonly used producer's risk and consumer's risk. In addition, the proposed plan is compared with the existing sampling inspection plans based on CV in terms of sample size and OC curve. Research results shows that type I system has a better performance that has a smaller sample size significantly than those of other sampling inspection plans, which can save lots of inspection costs.

目錄 I
圖目錄 III
表目錄 IV
第一章緒論 1
1.1研究背景與動機 1
1.2研究目的 3
1.3研究範圍與限制 4
1.4研究內容與架構 4
第二章文獻探討 6
2.1快速抽樣系統 6
2.2變異係數指標 10
第三章研究方法 12
3.1變異係數指標 12
3.2作業特性曲線 13
3.3快速轉換抽樣 14
3.4建構快速轉換抽樣計畫 18
第四章 案例分析 22
4.1數值案例分析 22
4.1.1抽樣計畫參數表 22
4.1.2抽樣檢驗計畫之比較與分析 23
4.2實例應用說明 31
第五章結論與建議 35
5.1研究成果 35
5.2未來方向 36
參考文獻 37

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