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Economic design of VSI ${\overline{X}}$-CRL Synthetic Control Chart  

Song, Suh-Ill (Dept. of Industrial & Management Systems Engineering, Dong-A University)
Park, Hyun-Kyu (Dept. of Industrial & Management Systems Engineering, Dong-A University)
Jung, Hey-Jin (Dept. of Industrial & Management Systems Engineering, Dong-A University)
Publication Information
Journal of Korean Society of Industrial and Systems Engineering / v.28, no.4, 2005 , pp. 85-93 More about this Journal
Abstract
This paper is designed a VSI ${\overline{X}}$-CRL synthetic control chart in aspect of economy. We found the optimal sampling interval and various control limit factors under various cost parameters using cost function, proposed Lorenzen and Vance. Optimal design parameters include the sample size, control limit width, sampling interval, CRL/S chart control limit; L. Comparison and analysis of cost parameters are applied between synthetic VSI ${\overline{X}}$-CRL chart and FSI ${\overline{X}}$-CRL chart. The result of this paper shows that VSI ${\overline{X}}$-CRL chart brings cost-cutting effect of 3.04% control expense less than FSI control chart. It may not be difficult to establish the optimal economic control parameters to apply the practical cost parameters in the field.
Keywords
synthetic control; economic design of control chart; VSI control chart;
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