Results 21 to 30 of about 154,806 (248)

Performance of T 2-based PCA mix control chart with KDE control limit for monitoring variable and attribute characteristics

Scientific Reports
In this work, the mixed multivariate T 2 control chart’s detailed performance evaluation based on PCA mix is explored. The control limit of the proposed control chart is calculated using the kernel density approach.
Muhammad Ahsan, Muhammad Mashuri, Dedy Dwi Prastyo, Muhammad Hisyam Lee   +3 more
doaj   +3 more sources

Max-mixed EWMA control chart for joint monitoring of mean and variance: an application to yogurt packing process

Scientific Reports
The Max-Mixed EWMA Exponentially Weighted Moving Average (MM EWMA) control chart is a statistical process control technique used for joint monitoring of the mean and variance of a process.
Seher Malik, Muhammad Hanif, Muhammad Noor-ul-Amin, Imad Khan, Bakhtiyar Ahmad, Abdelgalal O. I. Abaker, Jumanah Ahmed Darwish   +6 more
doaj   +2 more sources

THE MIXED UNIVARIATE CONTROL CHART EWMA AND CUSUM FOR FLAVOUR PRODUCTION QUALITY PROCESS MONITORING

Jurnal Matematika UNAND
A control chart is an important statistical technique used to monitor the average quality of a process or dispersion. Shewhart control chart is used to detect larger disturbances in process parameters.
Surya Puspita Sari, Maiyastri Maiyastri, Dodi Devianto   +2 more
doaj   +2 more sources

CONTROL CHARTS MONITORING FOR QUALITY CONCRETE PAVEMENTS [PDF]

Scientific Journal of Silesian University of Technology. Series Transport, 2020
In this article, Control charts are employed to analyse the strength quality control of ready-mixed concrete for rigid pavement. The results of the study support that CUSUM statistical analysis is more sensitive than the Shewhart control chart. The CUSUM
Izabela SKZYPCZAK, Wanda KOKOSZKA, Tomasz PYTLOWANY, Wojciech RADWAŃSKI   +3 more
doaj   +1 more source

New modified exponentially weighted moving average-moving average control chart for process monitoring

Connection Science, 2022
The mixed control chart is proposed to improve detection performance with fewer process shifts. In this study, we proposed the modified exponentially weighted moving average - moving average control chart (MMEM), a new mixed control chart for observing ...
Khanittha Talordphop, Saowanit Sukparungsee, Yupaporn Areepong   +2 more
doaj   +1 more source

Efficient Monitoring of a Parameter of Non-Normal Process Using a Robust Efficient Control Chart: A Comparative Study

Mathematics, 2023
The control chart is a fundamental tool in statistical process control (SPC), widely employed in manufacturing and construction industries for process monitoring with the primary objective of maintaining quality standards and improving operational ...
Aamir Majeed Chaudhary, Aamir Sanaullah, Muhammad Hanif, Mohammad M. A. Almazah, Nafisa A. Albasheir, Fuad S. Al-Duais   +5 more
doaj   +1 more source

Performance of new nonparametric Tukey modified exponentially weighted moving average—Moving average control chart

PLoS ONE, 2022
Control charts are an amazing and essential statistical process control (SPC) instrument that is commonly used in monitoring systems to detect a specific defect in the procedure.
Khanittha Talordphop, Saowanit Sukparungsee, Yupaporn Areepong   +2 more
doaj   +2 more sources

Design Tukey’s Control Chart and mix with CUSUM Control Chart

Journal of Zankoy Sulaimani - Part A, 2022
Statistical process control is a collection of valuable tools for detecting alteration in a process. It has wide application in many areas field and other fields where variation is being monitored. The variation may be a natural cause variation or a particular cause variation.
openaire   +1 more source

PCA mix‐based Hotelling's T ² multivariate control charts for intrusion detection system [PDF]

IET Information Security, 2021
Abstract Most of the data, which is in the field of network intrusion detection, have the characteristics of a mixture of high‐dimensional datasets of continuous and categorical variables. It easily leads the traditional multivariate control chart to get the error detection results. Hotelling's T
Mo Shaohui, Gulanbaier Tuerhong, Mairidan Wushouer, Tuergen Yibulayin   +3 more
openaire   +2 more sources

Exponentially weighted moving average-Moving average charts for monitoring the process mean.

PLoS ONE, 2020
This research aimed to propose a newly-mixed control chart called the Exponentially Weighted Moving Average-Moving Average Chart (EWMA-MA) to detect the mean change in a process underlying symmetric and asymmetric distributions.
Saowanit Sukparungsee, Yupaporn Areepong, Rattikarn Taboran   +2 more
doaj   +1 more source