산업경영시스템학회지 (Journal of Korean Society of Industrial and Systems Engineering)

  • 제27권2호
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  • Pages.114-122
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  • 2004
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  • 2005-0461(pISSN)
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  • 2287-7975(eISSN)
한국산업경영시스템학회 (Society of Korea Industrial and System Engineering)
권호 표지

두 가지 복합 이상원인 영향이 있는 공정에 대한 VSS$\bar{x}$관리도의 경제적 설계

The Economic Design of VSS $\bar{x}$ Control Chart for Compounding Effect of Double Assignable Causes

  • 심성보 (한양대학교 산업공학과) ;
  • 강창욱 (한양대학교 정보경영공학과) ;
  • 강해운 (한양대학교 산업공학과)
  • 발행 : 2004.06.01
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초록

In statistical process control applications, variable sample size (VSS) $\bar{X}$ chart is often used to detect the assignable cause quickly. However, it is usually assumed that only one assignable cause results in the out-of-control in the process. In this paper, we propose the algorithm to minimize the function of cost per unit time and compare the economic design and the statistical design by use of the value of cost per unit time. We consider double assignable causes to occur with compound in the process and adopt the Markov chain approach to investigate the statistical properties of VSS $\bar{X}$ chart. A procedure that can calculate the control chart's parameters is proposed by the economic design.

키워드

참고문헌

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