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Establishing a Early Warning System using Multivariate Control Charts in Melting Process

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2007, 12(4), pp.201-208
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

Lee,Hoe-Sik 1 이명주 2 한대희 3

1경기대학교
2서울대학교
3대림대학

Accredited

ABSTRACT

In some manufacturing industries, there are many situation in which the simultaneous monitoring or control of two or more related quality characteristics is necessary. However, monitoring these two or more related quality characteristics independently can be very misleading. When several characteristics of manufactured component are to be monitored simultaneously, multivariate χ2 or T2 control chart can be used. In this paper, establishing a early warning system(EWS) using multivariate control charts to analyze early out-of-control signals in melting process with many quality characteristics was presented. This module which we developed to control several characteristics improved efficiency and effectiveness of process control in the melting process.

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