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Information Journal Paper

Title

ECONOMIC STATISTICAL DESIGN OF MULTIVARIATE T2CONTROL CHART WITH VARIABLE SAMPLE SIZES

Pages

  1-13

Keywords

MULTIVARIATE T2 CONTROL CHART WITH THREE VARIABLE SAMPLE SIZES (3VSS) 

Abstract

 Today, quality improvement and cost reduction are key factors for achieving business success, growth and position. One of the primary tools for quality improvement and cost reduction in online activities of statistical process control is control charts. As the need for monitoring several correlated quality characteristics is extensively growing, the use of multivariate control charts becomes more popular. Among these, the T2 control chart is the most popular due to many advantages. In this paper, the variable sampling scheme is studied to increase the power of the fixed sampling rate (FRS) T2 control chart to show SMALL SHIFTS. In this study, one of the parameters of T2control chart, e.g., the sample size, vary between three values, depending on the most recent T2 value.The design of T2 control chart with three variable sample sizes (3VSS) from the statistical and economic perspective has been investigated, when the shift in the process mean does not occur at the beginning but at some random time in the future. Therefore, the MARKOV CHAIN approach used to develop the cost function. Then, the GENETIC ALGORITHM (GA) is applied to search for the optimal values of the parameters of the3VSS control chart. Finally, numerical comparisons among FRS and 3VSS schemes are made and discussed.

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    APA: Copy

    NAJMI SAROOGHI, N., & BAMENIMOGHADAM, M.. (2011). ECONOMIC STATISTICAL DESIGN OF MULTIVARIATE T2CONTROL CHART WITH VARIABLE SAMPLE SIZES. INTERNATIONAL JOURNAL OF APPLIED OPERATIONAL RESEARCH, 1(2), 1-13. SID. https://sid.ir/paper/630816/en

    Vancouver: Copy

    NAJMI SAROOGHI N., BAMENIMOGHADAM M.. ECONOMIC STATISTICAL DESIGN OF MULTIVARIATE T2CONTROL CHART WITH VARIABLE SAMPLE SIZES. INTERNATIONAL JOURNAL OF APPLIED OPERATIONAL RESEARCH[Internet]. 2011;1(2):1-13. Available from: https://sid.ir/paper/630816/en

    IEEE: Copy

    N. NAJMI SAROOGHI, and M. BAMENIMOGHADAM, “ECONOMIC STATISTICAL DESIGN OF MULTIVARIATE T2CONTROL CHART WITH VARIABLE SAMPLE SIZES,” INTERNATIONAL JOURNAL OF APPLIED OPERATIONAL RESEARCH, vol. 1, no. 2, pp. 1–13, 2011, [Online]. Available: https://sid.ir/paper/630816/en

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