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Journal of Korean Society for Quality Management 2009;37(1): 29-. |
| 두 개의 이상원인을 고려한 VSSI 원인선별 관리도의 경제적-통계적 설계 |
| 정민수, 임태진 |
| 숭실대학교 산업.정보시스템공학과 |
| Economic-Statistical Design of VSSI Cause-Selecting Charts Considering Two Assignable Causes |
| Min-Su Jung, Tae-Jin Lim |
| Dept. of Industrial & Information Systems Engineering, Soongsil University |
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| ABSTRACT |
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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. |
| Key Words:
Cause-selecting Chart;Adaptive Control Chart;AATS;Economic Design;VSSI; |
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