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Journal of the Korean Society for Quality Management > Volume 15(1); 1987 > Article
Journal of the Korean Society for Quality Management 1987;15(1): 47-.
효과적(效果的)인 공정능력(工程能力)의 해석기법(解析技法)에 관한 연구(硏究)
송서일1, 황의철2
1동아대학교 공과대학 산업공학과
2한양대학교 공과대학 산업공학과
An Effective Analyzing Method of Process Capability
Seo-Il Song1, Ui-Cheol Hwang2
It is common that the process capability fluctuates as time passes, but concentrates to the mean value. To keep up process capability with given limits is vital to stability of process. Various control charts, especially ${sigma}-chart$, have been used for analyzing process capability, but It sometimes can not give distinct answer. So this paper introduces another analyzing method by ARMA (autoregressive moving average) which is originally developed for forecasting, and demonstrates the analyzing methodology through a case study.
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