Journal of Korean Society for Quality Management (품질경영학회지)

Korean Society for Quality Management (한국품질경영학회)
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Economic-Statistical Design of VSSI Cause-Selecting Charts Considering Two Assignable Causes

두 개의 이상원인을 고려한 VSSI 원인선별 관리도의 경제적-통계적 설계

  • Jung, Min-Su (Dept. of Industrial & Information Systems Engineering, Soongsil University) ;
  • Lim, Tae-Jin (Dept. of Industrial & Information Systems Engineering, Soongsil University)
  • 정민수 (숭실대학교 산업.정보시스템공학과) ;
  • 임태진 (숭실대학교 산업.정보시스템공학과)
  • Published : 2009.03.31
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Abstract

This article investigates economic-statistical design of VSSI(variable sampling size and interval) cause-selecting charts considering two assignable causes. We consider a process which is composed of two dependent sub-processes. In each sub-process, two kinds of assignable cause may exist. We propose a procedure for designing VSSI cause-selecting charts, based on Lorenzen and Vance model. Computational experiments show that the VSSI cause-selecting chart is superior to the FSSI cause-selecting chart in the economic-statistical characteristics, even under two assignable causes.

Keywords

References

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