A novel bearing fault diagnosis approach using the Gaussian mixture model and the weighted principal component analysis

AE Chaleshtori, A Aghaie - Reliability Engineering & System Safety, 2024 - Elsevier
The efficient diagnosis of bearing faults requires the extraction of informative features. This
paper presents a novel approach that combines Weighted Principal Component Analysis …

Multi-Sensor data fusion in intelligent fault diagnosis of rotating machines: A comprehensive review

F Kibrete, DE Woldemichael, HS Gebremedhen - Measurement, 2024 - Elsevier
Rotating machines are extensively utilized in diverse industries, and their malfunctions can
result in significant financial consequences and safety risks. Consequently, there has been …

Rolling bearing fault diagnosis under data imbalance and variable speed based on adaptive clustering weighted oversampling

S Li, Y Peng, Y Shen, S Zhao, H Shao, G Bin… - Reliability Engineering & …, 2024 - Elsevier
Rolling bearings are critical for maintaining the stability, reliability, and safety of mechanical
systems. However, diagnosing faults in rolling bearings objectively can be challenging due …

Causal graph attention network with disentangled representations for complex systems fault detection

J Liu, S Zheng, C Wang - Reliability Engineering & System Safety, 2023 - Elsevier
Considering the importance of complex systems fault detection, much efforts have been
dedicated to fault feature extraction with monitoring data. The graph-based approach has …

Optimal sensor placement for permanent magnet synchronous motor condition monitoring using a digital twin-assisted fault diagnosis approach

S Kohtz, J Zhao, A Renteria, A Lalwani, Y Xu… - Reliability Engineering & …, 2024 - Elsevier
Efficient health monitoring for identifying and quantifying damages can substantially improve
the performance and structural integrity of engineered systems. Specifically, new advances …

Fault detection in complex mechatronic systems by a hierarchical graph convolution attention network based on causal paths

S Zheng, C Wang, E Zio, J Liu - Reliability Engineering & System Safety, 2024 - Elsevier
Fault detection in mechatronic systems is crucial for their maintainability and safety.
However, the systems monitoring variables are often abundant, with intricate connections. It …

Motor current signature analysis using robust modulation spectrum correlation gram for gearbox fault detection

J Guo, Q He, D Zhen, F Gu - IEEE Transactions on Industrial …, 2023 - ieeexplore.ieee.org
Spectrum correlation (SC), as a typical demodulation algorithm, has been investigated for
fault extraction by restraining interference components. However, SC ignores the uneven …

A critical review on system architecture, techniques, trends and challenges in intelligent predictive maintenance

S Gupta, A Kumar, J Maiti - Safety Science, 2024 - Elsevier
Traditional maintenance strategies risk unforeseen failure, sophisticated physics-based
modeling, and manual feature extraction. Early detection and accurate predictions of …

Transfer learning-based intelligent fault detection approach for the industrial robotic system

I Raouf, P Kumar, H Lee, HS Kim - Mathematics, 2023 - mdpi.com
With increasing customer demand, industry 4.0 gained a lot of interest, which is based on
smart factories. In smart factories, robotic components are vulnerable to failure due to …

DNOCNet: A Novel End-to-End Network for Induction Motor Drive Systems Fault Diagnosis Under Speed Fluctuation Condition

J Guo, Q He, F Gu - IEEE Transactions on Industrial Informatics, 2024 - ieeexplore.ieee.org
Speed fluctuations are a key issue that directly affects the motor fault diagnosis performance.
Deep convolutional neural networks (DCNNet) can automatically perform fault feature …