대한안전경영과학회지 (Journal of the Korea Safety Management & Science)

  • 제5권3호
  • /
  • Pages.145-156
  • /
  • 2003
  • /
  • 1229-6783(pISSN)
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  • 2288-1484(eISSN)
대한안전경영과학회 (Korea Safety Management & Science)
권호 표지

다변량 시스템 공정능력지수(SCpsk)

A New Multivariate System Process Capability Index

  • 조남호 (건국대학교 산업공학과) ;
  • 이용훈 (건국대학교 산업공학과)
  • 발행 : 2003.09.01
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초록

As we understand it, Process Capability indices are intended to provide single-number assessments of ability to meet specification limits on quality characteristics of interest. As a consequence of the varied ways in which PCIs are used, there have been two natural lines of research work: $\circled1$ studies on the properties of PCIs and their estimators in many different environments; $\circled2$ construction of new PCIs purporting to have better properties in certain circumstances. The most of existing process capability indices are concerned with the single variable. But, in many cases, a quality characteristic is composed with several factors. In that case, we want to know the integrated process capability of a quality characteristic not those of each factor. In this paper, we proposed a new multivariate system process capability index called $MSPCI:SC_{psk}$ which is the geometric mean of performance measure $C_{psk}$'S, and will be used as the criterion to assess multiple response process designs. Numerical illustration is done for $SC_{psk}$, $\overline{C_p}$(f), Cp, Cpk, Cpm, and Cpsk.

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참고문헌

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