An economic-statistical design of double sampling control chart |
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Authors: | Chau-Chen Torng Pei-Hsi Lee Nai-Yi Liao |
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Institution: | aGraduate School of Industrial Engineering and Management, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin 64002, Taiwan, ROC |
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Abstract: | The double sampling (DS) chart can reduce the sample size when monitoring the process mean. In this study, Duncan's cost model was modified by adding the statistical constraints to develop the design model of DS chart for the optimization of design parameters—sample size, control limit coefficient, warning limit coefficient and sampling interval. A numerical example was provided to illustrate the use of this model. A sensitivity analysis of the effects of model parameters and statistical constraints on the optimal design of DS chart was also performed. |
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Keywords: | Double sampling sciencedirect control chart" target="_blank">com/cache/MiamiImageURL/B6VF8-4W1SRNP-2-3M/0?wchp=dGLbVlb-zSkzV" alt="View the MathML source" title="View the MathML source" align="absbottom" border="0" height=12 width="14"/> control chart Economic-statistical design Duncan's cost model |
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