Run-sum control charts for monitoring the coefficient of variation
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- 作者：W.L. Teoha ; teohwl@utar.edu.my" class="auth_mail" title="E-mail the corresponding author ; weilin.teoh@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Michael B.C. Khoob ; mkbc@usm.my" class="auth_mail" title="E-mail the corresponding author ; Philippe Castagliolac ; philippe.castagliola@univ-nantes.fr" class="auth_mail" title="E-mail the corresponding author ; W.C. Yeonga ; yeongwc@utar.edu.my" class="auth_mail" title="E-mail the corresponding author ; S.Y. Tehd ; tehsyin@usm.my" class="auth_mail" title="E-mail the corresponding author
- 关键词：Quality control ; Average run length ; Coefficient of variation ; Markov chain ; Run-sum control chart
- 刊名：European Journal of Operational Research
- 出版年：2017
- 出版时间：16 February 2017
- 年：2017
- 卷：257
- 期：1
- 页码：144-158
- 全文大小：720 K
文摘
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We develop the run sum charts for monitoring the coefficient of variation (CV).
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The CV is successfully applied in various scientific and societal disciplines.
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The ARL, SDRL and EARL formulae are derived through a Markov chain approach.
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Optimal designs are based on the deterministic and unknown shift-size conditions.
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New optimal charts’ parameters under the zero- and steady-state modes are given.