Macroscopic–microscopic attention in LSTM networks based on fusion features for gear remaining life prediction

Y Qin, S Xiang, Y Chai, H Chen - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In the mechanical transmission system, the gear is one of the most widely used transmission
components. The failure of the gear will cause serious accidents and huge economic loss …

ReLTanh: An activation function with vanishing gradient resistance for SAE-based DNNs and its application to rotating machinery fault diagnosis

X Wang, Y Qin, Y Wang, S Xiang, H Chen - Neurocomputing, 2019 - Elsevier
Tanh is a sigmoidal activation function that suffers from vanishing gradient problem, so
researchers have proposed some alternative functions including rectified linear unit (ReLU) …

Long short-term memory neural network with weight amplification and its application into gear remaining useful life prediction

S Xiang, Y Qin, C Zhu, Y Wang, H Chen - Engineering Applications of …, 2020 - Elsevier
As an important component of industrial equipment, once gears have failures, they may
cause serious catastrophes. Thus, the prediction of gear remaining life is of great …

Long-term gear life prediction based on ordered neurons LSTM neural networks

H Yan, Y Qin, S Xiang, Y Wang, H Chen - Measurement, 2020 - Elsevier
Gear failure may affect the operation of mechanical equipment, and even cause the
catastrophic break of machine and even casualties. Thus, the remaining useful life (RUL) …

LSTM networks based on attention ordered neurons for gear remaining life prediction

S Xiang, Y Qin, C Zhu, Y Wang, H Chen - ISA transactions, 2020 - Elsevier
Gear is a commonly-used rotating part in industry, it is of great significance to predict its
failure in advance, which is helpful to maintain the health of the whole machine. Firstly, the …

A two-level adaptive chirp mode decomposition method for the railway wheel flat detection under variable-speed conditions

S Chen, K Wang, C Chang, B Xie, W Zhai - Journal of Sound and Vibration, 2021 - Elsevier
Wheel flat, as a common defect of railway vehicles, can cause large impact forces on both
the vehicle and infrastructure components and thus seriously hinder the vehicle running …

Harmonics signal feature extraction techniques: A review

ML Duc, P Bilik, R Martinek - Mathematics, 2023 - mdpi.com
Harmonic estimation is essential for mitigating or suppressing harmonic distortions in power
systems. The most important idea is that spectrum analysis, waveform estimation, harmonic …

Sparse elitist group lasso denoising in frequency domain for bearing fault diagnosis

K Zheng, T Li, Z Su, B Zhang - IEEE Transactions on Industrial …, 2020 - ieeexplore.ieee.org
The fault-induced impulse responses of localized bearing fault are usually interfered by the
background noise and other harmonic components. They are strongly coupled together and …

Manifold sensing-based convolution sparse self-learning for defective bearing morphological feature extraction

Q Li, X Ding, Q He, W Huang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The transient features caused by a local fault are of vital importance for bearing fault
diagnosis in an intelligent industry. Due to the uncertainty of fault forms and nonstationarity …

A fault dynamic model of high-speed angular contact ball bearings

Y Qin, C Li, F Cao, H Chen - Mechanism and Machine Theory, 2020 - Elsevier
Angular contact ball bearings (ACBBs) are widely used in rotary machines especially in high-
speed rotating machines because of their excellent properties. However, the traditional …