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المؤلفAbbasi, Saddam Akber
المؤلفNassar, Sara Hussam
المؤلفAldosari, Mashael Mohammed
المؤلفAdeoti, Olatunde A.
تاريخ الإتاحة2022-02-14T08:47:11Z
تاريخ النشر2021-12-01
اسم المنشورQuality and Reliability Engineering International
المعرّفhttp://dx.doi.org/10.1002/qre.2904
الاقتباسAbbasi, SA, Nassar, SH, Aldosari, MM, Adeoti, OA. Efficient homogeneously weighted dispersion control charts with an application to distillation process. Qual Reliab Eng Int. 2021; 37: 3221– 3241. https://doi.org/10.1002/qre.2904
الرقم المعياري الدولي للكتاب07488017
المعرّف3221-3241
معرّف المصادر الموحدhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85106217857&origin=inward
معرّف المصادر الموحدhttp://hdl.handle.net/10576/26879
الملخصMonitoring disturbances in process dispersion using control chart is mostly based on the assumption that the quality characteristic follows normal distribution, which is not the case in many real-life situations. This paper proposes a set of new dispersion charts based on the homogeneously weighted moving average (HWMA) scheme, for efficient detection of shifts in process standard deviation (σ). These charts are based on a variety of σ estimators and are investigated for normal as well as heavy tailed symmetric and skewed distributions. The shift detection ability of the charts is evaluated using different run length characteristics, such as average run length (ARL), extra quadratic loss (EQL), and relative ARL measures. The performance of the proposed HWMA control charts is also compared with the existing EWMA dispersion charts, using different design parameters. Furthermore, an illustrative example is presented to monitor the vapor pressure in a distillation process.
اللغةen
الناشرWiley
الموضوعaverage run length
control chart
extra quadratic loss
HWMA
process dispersion
العنوانEfficient homogeneously weighted dispersion control charts with an application to distillation process
النوعArticle
رقم العدد8
رقم المجلد37
dc.accessType Full Text


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