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    政大機構典藏 > 商學院 > 統計學系 > 期刊論文 >  Item 140.119/74758


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    题名: A new EWMA loss control chart with adaptive control scheme
    作者: 楊素芬
    Yang, C.;Yang, Su-Fen
    贡献者: 統計系
    日期: 2014
    上传时间: 2015-04-23 13:57:14 (UTC+8)
    摘要: A single chart, instead of and R charts or and S charts, to simultaneously monitor the process mean and variability would reduce the required time and effort. A number of studies have attempted to find such charts. Moreover, a number of studies demonstrated that the adaptive control charts may detect process shifts faster than the fixed control charts. This paper proposes the EWMA loss chart with variable sample sizes and sampling intervals (VSSI) to effectively monitor the difference of process measurements and target. An example is used to illustrate the application and performance of the proposed control chart in detecting the changes in the difference of the process measurements and target. Numerical analyses demonstrated that the VSSI EWMA loss chart outperforms the fixed sampling interval EWMA average loss chart and the Shewhart joint and S charts. Therefore, the VSSI EWMA loss chart is recommended.
    關聯: Applied Mechanics and Materials, Vol.631-632, pp.12-17
    数据类型: article
    DOI 連結: http://dx.doi.org/10.4028/www.scientific.net/AMM.631-632.12
    DOI: 10.4028/www.scientific.net/AMM.631-632.12
    显示于类别:[統計學系] 期刊論文

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