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    政大機構典藏 > 商學院 > 統計學系 > 期刊論文 >  Item 140.119/18197
    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/18197

    Title: Optimal control policy for dependent process steps with over-adjusted means and variances
    Authors: 楊素芬
    Yang, Chung-Ming;Yang, Su-Fen
    Keywords: Markov chain;Over-adjusted control charts;Renewal reward processes;Special causes
    Date: 2006-07
    Issue Date: 2008-12-19 14:54:44 (UTC+8)
    Abstract: Over-adjustment to processes may result in shifts in process mean and variance, ultimately affecting the quality of products. An economic adjustment model is developed for the joint design of X̄-S2 control charts and ē-Se 2 cause-selecting control charts to control both means and variances of two dependent process steps using the Markov chain approach. The objective is to determine the optimal control policy of the proposed control charts, which effectively detect and distinguish the shifts of means and variances on the dependent process steps and minimize the total quality control cost. Application of the proposed control charts is illustrated through a numerical example.
    Relation: The International Journal of Advanced Manufacturing Technology, 29(7/8),758-765
    Data Type: article
    DOI 連結: http://dx.doi.org/10.1007/s00170-005-2574-4
    DOI: 10.1007/s00170-005-2574-4
    Appears in Collections:[統計學系] 期刊論文

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