Browsing by Author "Abid, Muhammad"
Now showing items 1-5 of 5
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A new hwma dispersion control chart with an application to wind farm data
Riaz, Muhammad; Abbasi, Saddam Akber; Hamzat, Abdulhammed K.; Abid, Muhammad ( MDPI AG , 2020 , Article)Recently, a homogeneously weighted moving average (HWMA) chart has been suggested for the efficient detection of small shifts in the process mean. In this study, we have proposed a new one-sided HWMA chart to effectively ... -
A non-parametric double homogeneously weighted moving average control chart under sign statistic
Riaz, Muhammad; Abid, Muhammad; Shabbir, Aroosa; Nazir, Hafiz Zafar; Abbas, Zameer; Abbasi, Saddam Akber... more authors ... less authors ( John Wiley and Sons Ltd , 2021 , Article)In practical situations, the underlying process distribution sometimes deviates from normality and their distribution is partially or completely unknown. In that instance, rather than staying with/depending on the conventional ... -
An enhanced nonparametric EWMA sign control chart using sequential mechanism
Riaz, Muhammad; Abid, Muhammad; Nazir, Hafiz Zafar; Abbasi, Saddam Akber ( Public Library of Science , 2019 , Article)Control charts play a significant role to monitor the performance of a process. Nonparametric control charts are helpful when the probability model of the process output is not known. In such cases, the sampling mechanism ... -
An Efficient Robust Nonparametric Triple EWMA Wilcoxon Signed-Rank Control Chart for Process Location
Rasheed, Zahid; Zhang, Hongying; Arslan, Muhammad; Zaman, Babar; Anwar, Syed Masroor; Abid, Muhammad; Abbasi, Saddam Akber... more authors ... less authors ( Hindawi , 2021 , Article)The nonparametric (NP) control charts are famous for detecting a shift in the process parameters (location and/or dispersion) when the underlying process characteristic does not follow the distributional assumptions. ... -
New efficient exponentially weighted moving average variability charts based on auxiliary information
Abbasi, Saddam Akber; Riaz, Muhammad; Ahmad, Shabbir; Sanusi, Ridwan A.; Abid, Muhammad ( John Wiley and Sons Ltd , 2020 , Article)Control chart is a well-known tool for monitoring the performance of an ongoing process. The variability of a process is an important parameter that may deteriorate the process performance if it is not taken care on time. ...