Fault diagnosis of the hydraulic valve using a novel semi-supervised learning method based on multi-sensor information fusion

Q Zhong, E Xu, Y Shi, T Jia, Y Ren, H Yang… - Mechanical Systems and …, 2023 - Elsevier
Hydraulic systems are usually applied in large and complex engineering fields. For
hydraulic systems or components in operation, it is difficult to obtain fault data with fault …

Data-Driven Process Monitoring and Fault Diagnosis: A Comprehensive Survey

A Melo, MM Câmara, JC Pinto - Processes, 2024 - mdpi.com
This paper presents a comprehensive review of the historical development, the current state
of the art, and prospects of data-driven approaches for industrial process monitoring. The …

Adaptive multiscale convolutional neural network model for chemical process fault diagnosis

R Qin, J Zhao - Chinese Journal of Chemical Engineering, 2022 - Elsevier
Intelligent fault recognition techniques are essential to ensure the long-term reliability of
manufacturing. Due to the variations in material, equipment and environment, the process …

Fault detection and isolation of multi-variate time series data using spectral weighted graph auto-encoders

U Goswami, J Rani, H Kodamana, S Kumar… - Journal of the Franklin …, 2023 - Elsevier
Fault or anomaly detection is one of the key problems faced by the chemical process
industry for achieving safe and reliable operation. In this study, a novel methodology …

[HTML][HTML] Data-driven parameterization and development of mechanistic cell cultivation models in monoclonal antibody production processes: Shifts in cell metabolic …

K Okamura, K Oishi, S Badr, A Yamada… - Computers & Chemical …, 2024 - Elsevier
Representative kinetic models to describe monoclonal antibody (mAb) production processes
are needed for effective process design. The development of mechanistic models can be …

Distance matrix patterns for visual and interpretable process data analytics

A Melo, FF Fadel, MM Câmara… - Industrial & Engineering …, 2023 - ACS Publications
A novel methodology for visual process data analytics based on distance matrices is
proposed. A distance matrix is a two-dimensional representation that reflects intrinsic data …

Fault diagnosis of chemical processes based on joint recurrence quantification analysis

H Ziaei-Halimejani, N Nazemzadeh, R Zarghami… - Computers & Chemical …, 2021 - Elsevier
An unsupervised learning method is developed for fault detection and diagnosis with
missing data for chemical processes based on the multivariate extension of joint recurrence …

Joint recurrence based root cause analysis of nonlinear multivariate chemical processes

H Ziaei-Halimejani, R Zarghami, N Mostoufi - Journal of Process Control, 2021 - Elsevier
A novel method of diagnosis and causality analysis of faults in chemical processes is
developed based on the recurrence theory. By applying and adapting the joint recurrence …

Optimized data driven fault detection and diagnosis in chemical processes

NR Ardali, R Zarghami, RS Gharebagh - Computers & Chemical …, 2024 - Elsevier
Fault detection and diagnosis (FDD) is crucial for ensuring process safety and product
quality in the chemical industry. Despite the large amounts of process data recorded and …

Adaptive fault diagnosis for high-purity carbonate process based on unsupervised and transfer learning

H Shi, X Ge, B Liu - Chemical Engineering Science, 2024 - Elsevier
Reactive distillation integrates reaction and distillation to achieve process intensification.
And the increasing process complexity urgently requires fault diagnosis system to ensure its …