Abnormal Situation Management in Chemical Processes: Recent Research Progress and Future Prospects

S Liu, F Lei, D Zhao, Q Liu - Processes, 2023 - mdpi.com
In the chemical process, abnormal situations are precursor events of incidents and
accidents. Abnormal situation management (ASM) can effectively identify abnormalities and …

A spatial–temporal variational graph attention autoencoder using interactive information for fault detection in complex industrial processes

M Lv, Y Li, H Liang, B Sun, C Yang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Modern industry processes are typically composed of multiple operating units with reaction
interaction and energy–mass coupling, which result in a mixed time-varying and spatial …

Dual-attention LSTM autoencoder for fault detection in industrial complex dynamic processes

L Zeng, Q Jin, Z Lin, C Zheng, Y Wu, X Wu… - Process Safety and …, 2024 - Elsevier
Complex dynamic characteristics resulting from multi-system coupling and closed-loop
control are ubiquitous in modern industrial process data, presenting significant challenges …

Graph neural networks for anomaly detection and diagnosis in hydrogen extraction systems

J Seo, Y Noh, YJ Kang, J Lim, S Ahn, I Song… - … Applications of Artificial …, 2024 - Elsevier
Recent research has been actively conducted on fault diagnosis in hydrogen extraction
systems using artificial intelligence. However, existing studies have not considered the …

Fault detection using Graph Neural Differential Auto-encoders (GNDAE)

U Goswami, H Kodamana, M Ramteke - Computers & Chemical …, 2024 - Elsevier
In this study, we propose a Graph neural Differential Auto-encoder (GNDAE) model for fault
detection and process monitoring. The GNDAE framework is capable of dealing with graph …

Explainable AI methodology for understanding fault detection results during Multi-Mode operations

A Bhakte, PK Kumawat, R Srinivasan - Chemical Engineering Science, 2024 - Elsevier
Multi-mode operations are prevalent in the chemical industry. Various methods have been
proposed for monitoring multi-mode operations. Of these, AI-based approaches such as …

IC points weight learning-based GCN and improving feature distribution for industrial fault diagnosis

H Qing, N Zhang, Y He, Y Xu, Q Zhu - Expert Systems with Applications, 2024 - Elsevier
Industrial fault diagnosis (FD) is crucial to detect the causes of faults in a timely manner and
solve the problems to maintain stable production. Adequately considering the spatial …

Spatial-temporal associations representation and application for process monitoring using graph convolution neural network

H Ren, X Liang, C Yang, Z Chen, W Gui - Process Safety and …, 2023 - Elsevier
Modern industrial processes generate many dynamic, associated, and multi-scale variables,
which are more likely to implicit spatial-temporal associations knowledge for describing …

A knowledge-driven spatial-temporal graph neural network for quality-related fault detection

L Guo, H Shi, S Tan, B Song, Y Tao - Process Safety and Environmental …, 2024 - Elsevier
The majority of quality-related fault detection methods focused on process statistics,
neglecting the spatial-temporal characteristics of variables and the physical information of …

Fault detection and identification method: 3D-CNN combined with continuous wavelet transform

C Ukawa, Y Yamashita - Computers & Chemical Engineering, 2024 - Elsevier
This study proposes a novel fault detection and identification method using Continuous
Wavelet Transform (CWT) and a three-dimensional Convolutional Neural Network (3D …