[PDF][PDF] The effectiveness of CUSUM control chart for trend stationary seasonal autocorrelated data

K Petcharat - Thailand Statistician, 2022 - researchgate.net
In this paper, the average run length (ARL) for the cumulative sum (CUSUM) control chart
based on SAR (P) L with trend process is developed using Fredholm integral equation …

[PDF][PDF] Detection sensitivity of a modified EWMA control chart with a time series model with fractionality and integration

P Phanthuna, Y Areepong - Emerg. Sci. J, 2022 - sci.rmutp.ac.th
Among the many statistical process control charts, the modified exponentially weighted
moving average (EWMA) control chart has been designed to swiftly detect a small shift in a …

Average run length on CUSUM control chart for seasonal and non-seasonal moving average processes with exogenous variables

R Sunthornwat, Y Areepong - Symmetry, 2020 - mdpi.com
The aim of this study was to derive explicit formulas of the average run length (ARL) of a
cumulative sum (CUSUM) control chart for seasonal and non-seasonal moving average …

[PDF][PDF] Improving CUSUM control chart for monitoring a change in processes based on seasonal ARX model

C Chananet, S Phanyaem - IAENG International Journal of Applied …, 2022 - iaeng.org
The Cumulative Sum (CUSUM) control chart is a widely used statistical quality control tool,
especially in manufacturing processes. It serves to give an alarm when the process is out of …

[PDF][PDF] Exact run length computation on EWMA control chart for stationary moving average process with exogenous variables

W Suriyakat, K Petcharat - Mathematics and Statistics, 2022 - researchgate.net
The exponentially weighted moving average (EWMA) control chart is a popular tool used to
monitor and identify slight unnatural variations in the manufacturing, industrial, and service …

[PDF][PDF] Numerical integral equation method for ARL of CUSUM chart for long-memory process with non-seasonal and seasonal ARFIMA models

W Peerajit, Y Areepong, S Sukparungsee - Thailand Statistician, 2018 - researchgate.net
This paper presents an approximate average run length (ARL) of CUSUM chart for long-
memory process by using numerical integral equation (NIE) method based on Gauss …

Exact run length evaluation on a two-sided modified exponentially weighted moving average chart for monitoring process mean

P Phanthuna, Y Areepong… - Computer Modeling in …, 2021 - ingentaconnect.com
A modified exponentially weighted moving average (EWMA) scheme is one of the quality
control charts such that this control chart can quickly detect a small shift. The average run …

[PDF][PDF] The exact solution of the average run length on a modified EWMA control chart for the first-order moving-average process.

Y Supharakonsakun, Y Areepong, S Sukparungsee - ScienceAsia, 2020 - researchgate.net
Statistical process control methods are widely used in several fields for monitoring and
detecting process problems. One of them is the control chart which is powerful and effective …

Side-sensitive synthetic and runs-rules charts for monitoring AR (1) processes with skipping sampling strategies

SC Shongwe, JC Malela-Majika… - … in Statistics-Theory …, 2020 - Taylor & Francis
Side-sensitive Shewhart-type designs have been shown in a variety of process monitoring
contexts to increase the performance of traditional charts when the process observations are …

Monitoring process variability using decile mean standard deviation

MOA Abu‐Shawiesh, N Saeed - Quality and Reliability …, 2022 - Wiley Online Library
The control charts are essential tools in order to monitor the process quality as well as are
used in numerous industries. The classical Shewhart S‐control chart is the most prevalent …