Deep learning-driven data curation and model interpretation for smart manufacturing

J Zhang, RX Gao - Chinese Journal of Mechanical Engineering, 2021 - Springer
Characterized by self-monitoring and agile adaptation to fast changing dynamics in complex
production environments, smart manufacturing as envisioned under Industry 4.0 aims to …

Remaining useful life prediction of rolling bearings based on Pearson correlation-KPCA multi-feature fusion

Y Wang, J Zhao, C Yang, D Xu, J Ge - Measurement, 2022 - Elsevier
In the feature selection process, a subset of features is selected from the original set of
features based on the feature redundancy and importance. However, most of the existing …

Outlier detection for monitoring data using stacked autoencoder

F Wan, G Guo, C Zhang, Q Guo, J Liu - IEEE Access, 2019 - ieeexplore.ieee.org
Monitoring data contain the important status information of the monitored object, and are the
basis for following data mining and analysis. However, the monitoring data usually suffer the …

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 …

PCA-based Hotelling's T2 chart with fast minimum covariance determinant (FMCD) estimator and kernel density estimation (KDE) for network intrusion detection

M Mashuri, M Ahsan, MH Lee, DD Prastyo - Computers & Industrial …, 2021 - Elsevier
In this work, the combination between the Principal Component Analysis (PCA) and the
Hotelling's T 2 chart is proposed to solve problems caused by the many highly correlated …

A nonparametric EWMA control chart for monitoring mixed continuous and count data

L Xue, Q Wang, Z He, P Qiu - Quality Technology & Quantitative …, 2024 - Taylor & Francis
Conventional statistical process control tools monitor either continuous or count data but
rarely both simultaneously. While process data are becoming increasingly complex, there …

Kernel principal component analysis (PCA) control chart for monitoring mixed non-linear variable and attribute quality characteristics

M Ahsan, M Mashuri, H Khusna - Heliyon, 2022 - cell.com
The products are commonly measured by two types of quality characteristics. The variable
characteristics measure the numerical scale. Meanwhile, the attribute characteristics …

Control Chart T2Qv for Statistical Control of Multivariate Processes with Qualitative Variables

W Rojas-Preciado, M Rojas-Campuzano… - Mathematics, 2023 - mdpi.com
Simple Summary The T2Qv control chart is presented as a multivariate statistical process
control technique that performs an analysis of qualitative data through Multiple …

Multivariate control chart based on Kernel PCA for monitoring mixed variable and attribute quality characteristics

M Ahsan, M Mashuri, Wibawati, H Khusna, MH Lee - Symmetry, 2020 - mdpi.com
The need for a control chart that can visualize and recognize the symmetric or asymmetric
pattern of the monitoring process with more than one type of quality characteristic is a …

Performance of T2-based PCA mix control chart with KDE control limit for monitoring variable and attribute characteristics

M Ahsan, M Mashuri, DD Prastyo, MH Lee - Scientific Reports, 2024 - nature.com
In this work, the mixed multivariate T 2 control chart's detailed performance evaluation based
on PCA mix is explored. The control limit of the proposed control chart is calculated using …