A survey on deep learning based time series analysis with frequency transformation

K Yi, Q Zhang, L Cao, S Wang, G Long, L Hu… - arxiv preprint arxiv …, 2023 - arxiv.org
Recently, frequency transformation (FT) has been increasingly incorporated into deep
learning models to significantly enhance state-of-the-art accuracy and efficiency in time …

Wavelet transform for rotary machine fault diagnosis: 10 years revisited

R Yan, Z Shang, H Xu, J Wen, Z Zhao, X Chen… - Mechanical systems and …, 2023 - Elsevier
As a multi-resolution analysis method rooted rigorously in mathematics, wavelet transform
(WT) has shown its great potential in rotary machine fault diagnosis, characterized by …

TFN: An interpretable neural network with time-frequency transform embedded for intelligent fault diagnosis

Q Chen, X Dong, G Tu, D Wang, C Cheng… - … Systems and Signal …, 2024 - Elsevier
Convolutional neural network (CNN) is widely used in fault diagnosis of mechanical systems
due to its powerful feature extraction and classification capabilities. However, the CNN is a …

Denoising fault-aware wavelet network: A signal processing informed neural network for fault diagnosis

Z Shang, Z Zhao, R Yan - Chinese Journal of Mechanical Engineering, 2023 - Springer
Deep learning (DL) is progressively popular as a viable alternative to traditional signal
processing (SP) based methods for fault diagnosis. However, the lack of explainability …

[HTML][HTML] TCCT: Tightly-coupled convolutional transformer on time series forecasting

L Shen, Y Wang - Neurocomputing, 2022 - Elsevier
Time series forecasting is essential for a wide range of real-world applications. Recent
studies have shown the superiority of Transformer in dealing with such problems, especially …

Filter-informed spectral graph wavelet networks for multiscale feature extraction and intelligent fault diagnosis

T Li, C Sun, O Fink, Y Yang, X Chen… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Intelligent fault diagnosis has been increasingly improved with the evolution of deep
learning (DL) approaches. Recently, the emerging graph neural networks (GNNs) have also …

Interpretable neural network via algorithm unrolling for mechanical fault diagnosis

B An, S Wang, Z Zhao, F Qin, R Yan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Artificial neural network (ANN) has achieved great success in mechanical fault diagnosis
and has been widely used. However, traditional ANN is still opaque in terms of …

WPConvNet: An interpretable wavelet packet kernel-constrained convolutional network for noise-robust fault diagnosis

S Li, T Li, C Sun, X Chen, R Yan - IEEE Transactions on Neural …, 2023 - ieeexplore.ieee.org
Deep learning (DL) has present great diagnostic results in fault diagnosis field. However, the
poor interpretability and noise robustness of DL-based methods are still the main factors …

Adversarial algorithm unrolling network for interpretable mechanical anomaly detection

B An, S Wang, F Qin, Z Zhao, R Yan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In mechanical anomaly detection, algorithms with higher accuracy, such as those based on
artificial neural networks, are frequently constructed as black boxes, resulting in opaque …

[HTML][HTML] Domain knowledge-informed synthetic fault sample generation with health data map for cross-domain planetary gearbox fault diagnosis

JM Ha, O Fink - Mechanical Systems and Signal Processing, 2023 - Elsevier
Extensive research has been conducted on fault diagnosis of planetary gearboxes using
vibration signals and deep learning (DL) approaches. However, DL-based methods are …