A monitoring framework for health care processes using Generalized Additive Models and Auto-Encoders

A Yeganeh, A Johannssen, N Chukhrova… - Artificial Intelligence in …, 2023 - Elsevier
In recent years, there has been a considerable focus on developing effective methods for
monitoring health care processes. Utilizing Statistical Process Monitoring (SPM) …

An improved process monitoring by mixed multivariate memory control charts: An application in wind turbine field

B Zaman, MH Lee, M Riaz - Computers & Industrial Engineering, 2020 - Elsevier
Memory control chart such as multivariate CUSUM (MCUSUM) and multivariate EWMA
(MEWMA) control charts are considered superior for the detection of small-to-moderate …

A nonparametric adaptive EWMA control chart for monitoring mixed continuous and categorical data using self-starting strategy

L Xue, Q Wang, L An, Z He, S Feng, J Zhu - Computers & Industrial …, 2024 - Elsevier
In the context of big data-driven smart manufacturing, data is often characterized by high
dimensionality, numerous variables, and complex associations. As a result, mixed …

Distribution-free Phase-II monitoring of high-dimensional industrial processes via origin and modified interpoint distance based algorithms

A Tang, A Mukherjee, X Wang - Computers & Industrial Engineering, 2023 - Elsevier
Improvements in measuring devices, the development of sensing technologies, automated
record-keeping and cloud storage facilities have offered us a large volume of data streams …

Adaptive shewhart control charts under fuzzy parameters with tuned particle swarm optimization algorithm

A Amiri, A Salmasnia, M Zarifi… - Journal of Industrial …, 2023 - World Scientific
In recent years, adaptive control charts in which the design parameters depend on the
observed samples have been successfully used as efficient alternatives for traditional …

A multivariate CUSUM control chart for monitoring Gumbel's bivariate exponential data

FP Xie, JS Sun, P Castagliola, XL Hu… - Quality and Reliability …, 2021 - Wiley Online Library
Exponentially distributed data are commonly encountered in high‐quality processes. Control
charts dedicated to the univariate exponential distribution have been extensively studied by …

An adaptive EWMA control chart based on principal component method to monitor process mean vector

M Riaz, B Zaman, IA Raji, MH Omar, R Mehmood… - Mathematics, 2022 - mdpi.com
The special causes of variations, which is also known as a shift, can occur in a single or
more than one related process characteristics. Statistical process control tools such as …

Nonparametric multivariate processes monitoring with guaranteed in-control performance for changes in location

J Merlo, AE Cordero-Franco… - Computers & Industrial …, 2022 - Elsevier
Multivariate statistical process control (MSPC) addresses the concurrent monitoring of
several measurements. Since multivariate normality is rare in practice, nonparametric …

An enhanced nonparametric EWMA sign control chart using sequential mechanism

M Riaz, M Abid, HZ Nazir, SA Abbasi - PloS one, 2019 - journals.plos.org
Control charts play a significant role to monitor the performance of a process. Nonparametric
control charts are helpful when the probability model of the process output is not known. In …

Analysis and application of selected control charts suitable for smart manufacturing processes

T Smajdorová, D Noskievičová - Applied Sciences, 2022 - mdpi.com
Nonparametric control charts (NPCC) have shown great potential for monitoring processes
in conditions of smart manufacturing with complex structures, various monitored …