A review on the role of tunable Q-factor wavelet transform in fault diagnosis of rolling element bearings

A Anwarsha, T Narendiranath Babu - Journal of Vibration Engineering & …, 2022 - Springer
Background Tunable Q-factor wavelet transform (TQWT) is a newly developed, updated
version of the wavelet transform that can break down any vibration signal into low Q-factor …

Fault detection and quantitative assessment of wheel diameter difference based on ensemble adaptive tunable Q-factor wavelet transform and mixed kernel principal …

S Sui, K Wang, S Chen - Measurement Science and Technology, 2023 - iopscience.iop.org
Tread wear is inevitable for railway vehicles. Because of the complicated railway condition,
the wear rates of the two wheels of a wheelset are usually unequal, which leads to the wheel …

Weighted IMF-based denoising and multi-scale kurtosis weighted K singular value decomposition dictionary learning model for bearing fault diagnosis

A Wang, T Gou, W Cui, R **ao, X Wan… - Journal of Vibration …, 2024 - journals.sagepub.com
Generally, bearing early failure-induced impulses is weak and easily submerged by strong
background noise. How to extract weak impulses is a big challenge. In this paper, based on …

Harmonic Source Identification in Microgrid using TQWT and SVM Classifier

S Bandaru, BJ Kumar, SRK Joga - 2023 4th IEEE Global …, 2023 - ieeexplore.ieee.org
The detection and characterization of harmonic sources within Microgrid is an essential
responsibility of power engineers, given its direct impact on the system's stability and …

Signal adaptive Q factor selection for resonance based signal separation using tunable-Q wavelet transform

N Ozkurt - 2018 41st International Conference on …, 2018 - ieeexplore.ieee.org
Tunable Q wavelet transform (TQWT) was recently proposed as an efficient wavelet
decomposition method which can match to the oscillatory behaviour of the signal. The …

Fault Diagnosis of Rolling Bearing Based on Tunable Q-Factor Wavelet Transform and Convolutional Neural Network.

L Hou, Z Li - International Journal of Online & Biomedical …, 2020 - search.ebscohost.com
The rolling bearing plays is used extensively in rotary machines and industrial processes.
Effective fault diagnosis technology for a rolling bearing directly affects the life and operator …

Bearing fault diagnosis using hyper-laplacian priors and non-convex optimization

Z Zhao, B An, S Wang, B Qiao, C Sun… - 2018 Prognostics and …, 2018 - ieeexplore.ieee.org
Bearing fault diagnosis is one of the most important topics in the condition-based
maintenance and is also a challenging problem because of the heavy noise interference …