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    政大機構典藏 > 商學院 > 統計學系 > 期刊論文 >  Item 140.119/18149


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    题名: Controlling-dependent process steps using variable sample size control charts
    作者: 楊素芬;Su, Hui-Chun
    Yang, Su-Fen;Su, Hui-Chun
    关键词: dependent process steps;control scheme;variable sample size
    日期: 2006-12
    上传时间: 2008-12-19 14:51:02 (UTC+8)
    摘要: The article considers the variable process control scheme for two dependent process steps. We construct variable sample size (VSS) ZX̄ and Zē control charts to effectively monitor the quality variable produced by the first process step and the quality variable produced by the second process step 2, respectively. The performance of the proposed VSS control charts is measured by the adjusted average time to signal (AATS) using a Markov chain approach. An example of producing cotton yarn system shows the application and performance of the proposed VSS ZX̄ and Zē control charts in detecting shifts in process mean. Furthermore, the performance of the VSS ZX̄ and Zē control charts and the fixed sample size (FSS) ZX̄ and Zē control charts are compared by numerical analysis results. These demonstrate that the former is much faster in detecting small shifts in mean.
    關聯: Applied Stochastic Models in Business and Industry 22,503-517
    数据类型: article
    显示于类别:[統計學系] 期刊論文

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