Combined Shewhart CUSUM charts using auxiliary variable

RA Sanusi, M Riaz, N Abbas - Computers & industrial engineering, 2017 - Elsevier
A control chart is an important statistical tool for monitoring disturbances in a statistical
process, and it is richly applied in the industrial sector, the health sector and the agricultural …

On efficient use of auxiliary information for control charting in SPC

S Ahmad, SA Abbasi, M Riaz, N Abbas - Computers & Industrial …, 2014 - Elsevier
Abstract In Statistical Process Control (SPC), monitoring of the process dispersion has a
major impact on the performance of processes like manufacturing, management and …

Copula modelling for multivariate statistical process control: a review

P Busababodhin, P Amphanthong - Communications for Statistical …, 2016 - koreascience.kr
Modern processes often monitor more than one quality characteristic that are referred to as
multivariate statistical process control (MSPC) procedures. The MSPC is the most rapidly …

Multivariate copulas on the MCUSUM control chart

S Sukparungsee, S Kuvattana… - Cogent …, 2017 - Taylor & Francis
The copula approach is a popular method for multivariate modeling applied in several fields;
it defines non-parametric measures of dependence between random variables. In this …

[PDF][PDF] An approximate formula for ARL in moving average chart with ZINB data

C Chananet, Y Areepong, S Sukparungsee - Thailand Statistician, 2015 - researchgate.net
The objective of this paper is to propose an approximation of Average Run Length by
deriving the explicit formula for Moving Average chart when observations are from Zero …

[PDF][PDF] An explicit analytical solution of the average run length of an exponentially weighted moving average control chart using an autoregressive model

S Sukparungsee, Y Areepong - Chiang Mai Journal of Science, 2017 - researchgate.net
The aim of this paper is to derive explicit formulas of Average Run Length (ARL) using a
Fredholm integral equation of the second kind for an Exponentially Weighted Moving …

[PDF][PDF] Average run length of cumulative sum control chart by Markov chain approach for zero-inflated Poisson processes

S Sukparungsee - Thailand Statistician, 2018 - researchgate.net
Abstract A Cumulative Sum (CUSUM) chart is an alternative effective to standard Shewhart
control in order to monitor a small shift in process; however it is limited to normality …

Derivation of Explicit Formulae for Performance Measures of CUSUM Control Chart for SMA (Q) Model with Exponential White Noise

L Zhang, S Suraphee, P Busababodhin - Lobachevskii Journal of …, 2023 - Springer
Abstract A Cumulative Sum (CUSUM) chart can be a useful alternative to standard Shewhart
control charts for monitoring small shifts in a process, but its effectiveness is limited by the …

An integral equation approach for average run length of incorporation of exogenous variable in seasonal autoregressive fractionally integrated model

W Peerajit - AIP Conference Proceedings, 2024 - pubs.aip.org
Numerical evaluation of the average run length (ARL) for detecting a shift in the mean of an
autocorrelated process running on a cumulative sum (CUSUM) control chart has received …

[PDF][PDF] Analytic and numerical solutions of ARL of CUSUM procedure for exponentially distributed observations

S Somran, Y Areepong, S Sukparungsee - Thail Stat, 2016 - researchgate.net
This paper aims at deriving the explicit expressions of the Average Run Length (ARL) for a
negative Cumulative Sum (CUSUM) chart for a lower-sided case when observations are …