Combined Control Scheme for Monitoring Quality Characteristics

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dc.contributor.authorAdekeye, Kayode
dc.date.accessioned2022-05-06T12:25:15Z
dc.date.available2022-05-06T12:25:15Z
dc.date.issued2014
dc.description.abstractABSTRACT: In the literature, the Exponentially Weighted Moving Average (EWMA) and Exponentially Weighted Moving Variance (EMWV) control schemes have been used separately to monitor the process average and process variability respectively. Here the two are combined and applied on simulated process with different level of variation. The control limit interval (CLI) and the average run length (ARL) were evaluated for the combined chart. The combined chart performed better than the two independently. Furthermore, an algorithm was developed for the two control charts and implemented on visual basic VB6.0. The obtained results show that the combined EWMA and EWMV control chart is very sensitive in detecting shifts in production process and every shift in the process mean is always preceded by the shift in the process variability.en_US
dc.identifier.urihttp://dspace.run.edu.ng:8080/jspui/handle/123456789/2762
dc.language.isoenen_US
dc.subjectStatistical process controlen_US
dc.subjectControl charten_US
dc.subjectExponentially Weighted Moving Averageen_US
dc.subjectExponentially Weighted Moving Varianceen_US
dc.titleCombined Control Scheme for Monitoring Quality Characteristicsen_US
dc.typeArticleen_US
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