Run rules schemes for statistical process monitoring: A literature review

Z Jalilibal, MHA Karavigh, A Amiri… - Quality Technology & …, 2023 - Taylor & Francis
Different control charts are developed for monitoring various types of quality characteristics
in the area of Statistical Process Monitoring (SPM). Moreover, new techniques are proposed …

The effect of measurement errors on the performance of the homogenously weighted moving average X¯ monitoring scheme

M Thanwane, JC Malela-Majika… - Transactions of the …, 2021 - journals.sagepub.com
Monitoring schemes are typically designed under the assumption of perfect measurements.
However, in real-life applications, data tend to be subjected to measurement errors, that is, a …

A new p‐control chart with measurement error correction

LP Chen, SF Yang - Quality and Reliability Engineering …, 2023 - Wiley Online Library
Control charts are important tools to monitor quality of products. One of useful applications is
to monitor the proportion of non‐conforming products. However, in practical applications …

Process Capability Assessment for Auto-Correlated Data in the Presence of Measurement Errors

MZ Anis, K Bera - International Journal of Reliability, Quality and …, 2022 - World Scientific
In this paper, we shall discuss some statistical properties of the estimator of C p when
sample observations are autocorrelated and affected by measurement errors. The presence …

Improved Shewhart-type control charts based on weak runs in multistate trials

SD Dafnis, T Perdikis, MV Koutras - Quality Technology & …, 2024 - Taylor & Francis
In this work we introduce two new classes of Shewhart-type control charts with
supplementary runs rules using a three or four region partition of the observed …

Effect of measurement errors on triple sampling X¯ ̄\bmX chart

AA Umar, MBC Khoo, S Saha… - Quality and Reliability …, 2022 - Wiley Online Library
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 …

Parameter estimation effect of the homogeneously weighted moving average chart to monitor the mean of autocorrelated observations with measurement errors

M Thanwane, SC Shongwe, JC Malela-Majika… - IEEE …, 2020 - ieeexplore.ieee.org
In statistical process monitoring, the usual assumption when designing monitoring schemes
is that process parameters are known and have perfect measurements with independent …

EATME: An R package for EWMA control charts with adjustments of measurement error

LP Chen, CK Lin - PloS one, 2024 - journals.plos.org
In this paper, we introduce an R package EATME, which is known as E xponentially
weighted moving average (EWMA) control chart with A djustments T o M easurement E rror …

A new variable sampling size and interval synthetic and runs-rules schemes to monitor the process mean of autocorrelated observations with measurement errors

S Shongwe, J Malela-Majika - International Journal of …, 2020 - growingscience.com
Autocorrelation and measurement errors have a negative effect on the performance of any
monitoring scheme; therefore, more efficient monitoring schemes are required to monitor …

Monitoring the mean of autocorrelated data with long memory from cable production using one‐sided runs rules schemes with ARFIMA (1,d,1) model

OT Babatunde, MBC Khoo, S Saha… - Quality and Reliability …, 2024 - Wiley Online Library
Classical control charts were developed with the assumption that the quality characteristics
being monitored are independent. However, observations from several time‐dependent …