Dual multivariate CUSUM charts with auxiliary information for process mean

2020 ◽  
Vol 36 (3) ◽  
pp. 861-875 ◽  
Author(s):  
Abdul Haq ◽  
Tahir Munir ◽  
Burhan Ali Shah
Keyword(s):  
Auxiliary Information ◽  
Process Mean ◽  
Cusum Charts ◽  
Multivariate Cusum Charts

scholarly journals Exponentially Weighted Moving Average Control Charts for the Process Mean Using Exponential Ratio Type Estimator

2018 ◽  
Vol 2018 ◽  
pp. 1-15 ◽  
Author(s):  
Hina Khan ◽  
Saleh Farooq ◽  
Muhammad Aslam ◽  
Masood Amjad Khan
Keyword(s):  
Control Charts ◽  
Sampling Design ◽  
Control Structure ◽  
Moving Average ◽  
Auxiliary Information ◽  
Ranked Set Sampling ◽  
Process Mean ◽  
Average Control ◽  
The Mean ◽  
Weighted Moving Average

This study proposes EWMA-type control charts by considering some auxiliary information. The ratio estimation technique for the mean with ranked set sampling design is used in designing the control structure of the proposed charts. We have developed EWMA control charts using two exponential ratio-type estimators based on ranked set sampling for the process mean to obtain specific ARLs, being suitable when small process shifts are of interest.

New adaptive CUSUM charts for process mean

2018 ◽  
Vol 49 (11) ◽  
pp. 2944-2962 ◽  
Author(s):  
Saba Abbasi ◽  
Abdul Haq
Keyword(s):  
Process Mean ◽  
Cusum Charts
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