Monitoring the coefficient of variation: A literature review

Z Jalilibal, A Amiri, P Castagliola, MBC Khoo - Computers & Industrial …, 2021 - Elsevier
There are some situations when the process mean fluctuates from time to time but is still
considered as in-control and the process standard deviation is a linear function of the …

[HTML][HTML] Spatiotemporal analysis of water-electricity consumption in the context of the COVID-19 pandemic across six socioeconomic sectors in Doha City, Qatar

A Abulibdeh - Applied Energy, 2021 - Elsevier
This study investigates the water–electricity consumption in the context of the COVID-19
pandemic across six socioeconomic sectors. Due to inadequate research on spatial …

Efficient homogeneously weighted moving average chart for monitoring process mean using an auxiliary variable

NA Adegoke, ANH Smith, MJ Anderson… - IEEE …, 2019 - ieeexplore.ieee.org
In this paper, we propose an efficient control chart for monitoring small shifts in a process
mean for scenarios where the process variable is observed with a correlated auxiliary …

A multivariate homogeneously weighted moving average control chart

NA Adegoke, SA Abbasi, ANH Smith… - IEEE …, 2019 - ieeexplore.ieee.org
This paper presents a multivariate homogeneously weighted moving average (MHWMA)
control chart for monitoring a process mean vector. The MHWMA control chart statistic gives …

Comparing the efficacy of coefficient of variation control charts using generalized multiple dependent state sampling with various run-rule control charts

GS Rao, M Aslam, FS Alamri, CH Jun - Scientific reports, 2024 - nature.com
This paper aimed to develop a coefficient of variation (CV) control chart utilizing the
generalized multiple dependent state (GMDS) sampling approach for CV monitoring. We …

One-sided variable sampling interval EWMA control charts for monitoring the multivariate coefficient of variation in the presence of measurement errors

QT Nguyen, V Giner-Bosch, KD Tran… - … International Journal of …, 2021 - Springer
Online monitoring of the multivariate coefficient of variation (MCV) can be of interest in many
real situations in which the dispersion of a multivariate process is meant to remain constant …

One-sided and two one-sided MEWMA charts for monitoring process mean

A Haq - Journal of Statistical Computation and Simulation, 2020 - Taylor & Francis
This study focuses on the development of new one-sided and two one-sided MEWMA charts
for monitoring the mean of a multivariate normal process. The one-sided MEWMA chart …

Control chart for variance using repetitive sampling under neutrosophic statistical interval system

M Aslam - IEEE Access, 2019 - ieeexplore.ieee.org
In this paper, a control chart for variance using the repetitive sampling under the
neutrosophic statistics is proposed. The proposed control chart can be applied for …

Dual multivariate CUSUM mean charts

A Haq, T Munir, MBC Khoo - Computers & Industrial Engineering, 2019 - Elsevier
The multivariate CUSUM (MCUSUM) chart can be optimally designed to detect a specific
shift in the process mean. In practice, the shift size is rarely known but it is known that it …

Efficient linear profile schemes for monitoring bivariate correlated processes with applications in the pharmaceutical industry

ABA Dawod, NA Adegoke, SA Abbasi - Chemometrics and Intelligent …, 2020 - Elsevier
The complexity of chemical processes warrants that collection of information about the
processes will continue as they proceed through the various stages of industrialization …