Practical Implementation of Some Process Capability Indices

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Title:	Practical Implementation of Some Process Capability Indices
Authors:	Wu, Chin-chuan;吳錦全;Kuo, Hsin-lin;郭信霖
Contributors:	淡江大學統計學系
Keywords:	製程能力指標;製程績效;檢定方法;process capability indices;process performance;testing
Date:	2001-04
Issue Date:	2009-11-30 14:12:19 (UTC+8)
Publisher:	淡江大學管理學院管科系; 復旦大學管理學院; 南華大學環境管理所臺北縣淡水鎮 : 淡江大學
Abstract:	製程能力指標是製程品質特性相關分配之參數的函數。製程能力指標Cp, Cpk及Cpm 已經廣泛地被製造業用來評估製程是否達到製造規格或品質的要求，是一個容易運用的績效評估工具。對於製程能力指標的研究大多數集中於點估計，由於抽樣誤差的忽略易導致指標估計值的不可靠。在本文中，針對這些指標提供另一種簡易方便可靠的方法以評估製程的績效。 A process capability index is a function of some parameters of some involved distribution and it specifies a quality characteristic. The process capability indices Cp ;Cpk and Cpm have been used in manufacturing industries to provide a quantitative measurement of the potential and performance of the manufacturing. These indices are easy to apply. Most studied on process capability indices are focusing on point estimates; which may result in misleading assessments of process performance. In this paper; we consider Cp ; Cpk and Cpm ; and develop a simple and convenient procedure for decision making in assessing process capability.
Relation:	2001年兩岸管理科學學術研討會論文集，頁139-153
Appears in Collections:	[Graduate Institute & Department of Statistics] Proceeding

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