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基于矩法的非正态过程能力指数估算方法的研究 被引量:1

A Study on Estimation of Non-normal Process Capability Indices Using the First Four Moments of Data
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摘要 对国内外过程能力指数的研究现状进行了必要的分析,介绍了一种基于前四阶矩的方法进行过程能力指数的估算,并给出案例进行应用分析。实践证明,该种方法估算的PCIs准确可靠。 The paper elaborates the research status of process capability indices, and presents a method to estimate the process capability indices(PCIs) based on the first four moments of data. Then a case study is presented. It is proved by practice that PCIs based on moments is more accurate and reliable.
出处 《工业工程》 2007年第1期53-55,102,共4页 Industrial Engineering Journal
基金 国家自然科学基金资助项目(70372062) 新世纪优秀人才资助计划(NCET-04-0240)
关键词 过程能力指数 非正态数据 不合格品率 样本容量 moments Process Capability Indices non-normal data percent of nonconforming sample size
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