Fault detection and isolation using probabilistic wavelet neural operator auto-encoder with application to dynamic processes

J Rani, T Tripura, H Kodamana, S Chakraborty… - Process Safety and …, 2023 - Elsevier
Fault detection and isolation are crucial aspects that need to be considered for the safe and
reliable operation of process systems. The modern industrial process frequently employs …

Kernel-based statistical process monitoring and fault detection in the presence of missing data

J Fan, TWS Chow, SJ Qin - IEEE Transactions on Industrial …, 2021 - ieeexplore.ieee.org
Missing data widely exist in industrial processes and lead to difficulties in modeling,
monitoring, fault diagnosis, and control. In this article, we propose a nonlinear method to …

A multivariate monitoring method based on kernel principal component analysis and dual control chart

L Liu, J Liu, H Wang, S Tan, M Yu, P Xu - Journal of Process Control, 2023 - Elsevier
The kernel principal component analysis (KPCA) method has been widely applied in
process monitoring. However, the KPCA method still has two challenging problems that …

A local dynamic broad kernel stationary subspace analysis for monitoring blast furnace ironmaking process

S Lou, C Yang, P Wu - IEEE Transactions on Industrial …, 2022 - ieeexplore.ieee.org
For the actual blast furnace ironmaking process (BFIP), sophisticated dynamic, nonlinear,
and nonstationary characteristics make it hard to be modeled accurately with conventional …

A TOPSIS-based relocalization algorithm in wireless sensor networks

K Fang, T Wang, X Zhou, Y Ren… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Selecting reliable beacon nodes plays a significant role in relocalizing unknown nodes in a
wireless sensor network. When the position of a beacon node is drifted or is spoofed, it …

Incipient fault diagnosis and trend prediction in nonlinear closed-loop systems with Gaussian and non-Gaussian noise

H Safaeipour, M Forouzanfar, V Puig… - Computers & Chemical …, 2023 - Elsevier
This paper proposes a methodology for incipient fault diagnosis and the corresponding
trend prediction in nonlinear closed-loop systems considering stochastic Gaussian and non …

Structured fault information-aided canonical variate analysis model for dynamic process monitoring

S Lou, P Wu, C Yang, Y Xu - Journal of Process Control, 2023 - Elsevier
Process monitoring is one of the most crucial fundamental components in industrial
processes. Traditional multivariate statistical analysis modeling only relies on data collected …

数据驱动的燃煤发电装备运行工况监控——现状与展望

赵春晖, 胡赟昀, 郑嘉乐, 陈军豪 - 自动化学报, 2022 - aas.net.cn
大容量, 高参数, 低能耗的百万千瓦超超临界机组是燃煤发电领域的重大装备,
已成为全国电力工业发展的主流方向, 其安全可靠运行对推动发电企业转型升级具有重要意义 …

Incipient fault detection for dynamic chemical processes based on enhanced CVDA integrated with probability information and fault-sensitive features

X Deng, X Liu, Y Cao, L Cong, Z Li - Journal of Process Control, 2022 - Elsevier
Recently, canonical variate dissimilarity analysis (CVDA) has emerged as an efficient
incipient fault monitoring method for dynamic chemical processes. Nevertheless, the basic …

Time-series transfer learning: An early stage imbalance fault detection method based on feature enhancement and improved support vector data description

X Ni, D Yang, H Zhang, F Qu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Early stage fault detection plays a pivotal role in Industrial equipment accidents avoidance
and scientific maintenance. While limited by the complex operation background, its …