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Economic-Statistical Design of VSSI Cause-Selecting Charts Considering Two Assignable Causes  

Jung, Min-Su (Dept. of Industrial & Information Systems Engineering, Soongsil University)
Lim, Tae-Jin (Dept. of Industrial & Information Systems Engineering, Soongsil University)
Publication Information
Journal of Korean Society for Quality Management / v.37, no.1, 2009 , pp. 29-39 More about this Journal
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
Cause-selecting Chart; Adaptive Control Chart; AATS; Economic Design; VSSI;
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Times Cited By KSCI : 1  (Citation Analysis)
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