The impracticality of homogeneously weighted moving average and progressive mean control chart approaches
S Knoth, VG Tercero‐Gómez… - Quality and …, 2021 - Wiley Online Library
There is growing literature on new versions of “memory‐type” control charts, where
deceptively good zero‐state average run‐length (ARL) performance is misleading. Using …
deceptively good zero‐state average run‐length (ARL) performance is misleading. Using …
[HTML][HTML] Effect of measurement uncertainty on combined quality control charts
The accuracy of the measurement system is vital for reliable process monitoring using
statistical process control charts. The applied chart's effectiveness depends on the …
statistical process control charts. The applied chart's effectiveness depends on the …
On reassessment of the HWMA chart for process monitoring
In the recent literature of process monitoring, homogeneously weighted moving average
(HWMA) type control charts have become quite popular. These charts are quite efficient for …
(HWMA) type control charts have become quite popular. These charts are quite efficient for …
Homogeneously Weighted Moving Average Control Charts: Overview, Controversies, and New Directions
JC Malela-Majika, SW Human, K Chatterjee - Mathematics, 2024 - mdpi.com
The homogeneously weighted moving average (HWMA) chart is a recent control chart that
has attracted the attention of many researchers in statistical process control (SPC). The …
has attracted the attention of many researchers in statistical process control (SPC). The …
Effect of measurement errors on triple sampling X¯ ̄\bmX chart
The performance of the triple sampling (TS) X¯ ̄X chart is investigated by using a linear
covariate error model that considers the presence of measurement errors (ME), called the …
covariate error model that considers the presence of measurement errors (ME), called the …
The use of fast initial response features on the homogeneously weighted moving average chart with estimated parameters under the effect of measurement errors
M Thanwane, SA Abbasi… - Quality and …, 2021 - Wiley Online Library
Fast initial response (FIR) features are generally used to improve the sensitivity of memory‐
type control charts by shrinking time‐varying control limits in the earlier stage of the …
type control charts by shrinking time‐varying control limits in the earlier stage of the …
New extended distribution-free homogenously weighted monitoring schemes for monitoring abrupt shifts in the location parameter
TI Letshedi, JC Malela-Majika, SC Shongwe - Plos one, 2022 - journals.plos.org
A homogeneously weighted moving average (HWMA) monitoring scheme is a recently
proposed memory-type scheme that gained its popularity because of its simplicity and …
proposed memory-type scheme that gained its popularity because of its simplicity and …
A double-sampling approach for multivariate control charting using multiple measurement strategy and simulation
S Sharafi, P Khanbeygi, MR Maleki… - … of Management and …, 2024 - inderscienceonline.com
To reduce the quality loss cost imposed on the manufacturer, it is essential to develop
multivariate control charting methods to be more sensitive to process disturbances than …
multivariate control charting methods to be more sensitive to process disturbances than …
Estimation of Cpm for autocorrelated data in the presence of random measurement errors
K Bera, MZ Anis - Communications in Statistics-Simulation and …, 2023 - Taylor & Francis
Process capability analysis is a widely used process improvement metric. There are several
capability indices used in industries to assess the performance of production process. C pm …
capability indices used in industries to assess the performance of production process. C pm …
Novel combined Shewhart-CUmulative EWMA-SUM mean charts without-and with measurement error
T Munir, FM Alqahtani, A Alrashidi… - Measurement and …, 2024 - journals.sagepub.com
The precision of process monitoring often encounters challenges in determining the exact
shift size. Therefore, combined control charts have gained considerable attention because of …
shift size. Therefore, combined control charts have gained considerable attention because of …