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    政大機構典藏 > 商學院 > 統計學系 > 期刊論文 >  Item 140.119/71327
    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/71327

    Title: Monitoring Process Mean with A New EWMA Control Chart
    Authors: Yang,Su-Fen;Tsai,Wen-Chi;Huang,Tzee-Ming;Yang,Chi-Chin;Cheng,Smiley
    Contributors: 統計系
    Keywords: Monitoring Process Mean with A New EWMA Control Chart
    Date: 2011.05
    Issue Date: 2014-11-11 11:03:38 (UTC+8)
    Abstract: In practice, sometimes the process data did not come from a known population distribution. So the commonly used Shewhart variables control charts are not suitable since their performance could not be properly evaluated. In this paper, we propose a new EWMA Control Chart based on a simple statistic to monitor the small mean shifts in the process with non-normal or unknown distributions. The sampling properties of the new monitoring statistic are explored and the average run lengths of the proposed chart are examined. Furthermore, an Arcsine EWMA Chart is proposed since the average run lengths of the Arcsine EWMA Chart are more reasonable than those of the new EWMA Chart. The Arcsine EWMA Chart is recommended if we are concerned with the proper values of the average run length.
    Relation: Produção,21(2), 217-222
    Data Type: article
    Appears in Collections:[統計學系] 期刊論文

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