Incipient fault diagnosis of bearings based on parameter-optimized VMD and envelope spectrum weighted kurtosis index with a new sensitivity assessment threshold

A Dibaj, R Hassannejad, MM Ettefagh, MB Ehghaghi - ISA transactions, 2021 - Elsevier
Due to difficulties in identifying localized and incipient bearing faults, most proposed fault
diagnosis methods focus on detecting these faults. However, it is not clear to what extent of …

A new statistical features based approach for bearing fault diagnosis using vibration signals

M Altaf, T Akram, MA Khan, M Iqbal, MMI Ch, CH Hsu - Sensors, 2022 - mdpi.com
In condition based maintenance, different signal processing techniques are used to sense
the faults through the vibration and acoustic emission signals, received from the machinery …

Novel bearing fault diagnosis using gaussian mixture model-based fault band selection

AS Maliuk, AE Prosvirin, Z Ahmad, CH Kim, JM Kim - Sensors, 2021 - mdpi.com
This paper proposes a Gaussian mixture model-based (GMM) bearing fault band selection
(GMM-WBBS) method for signal processing. The proposed method benefits reliable feature …

Compound fault diagnosis of bearings using improved fast spectral kurtosis with VMD

S Wan, X Zhang, L Dou - Journal of Mechanical Science and Technology, 2018 - Springer
The fast spectrum kurtosis (FSK) algorithm can adaptively identify resonance bands of a
signal, and fault characteristics can be extracted by analyzing the selected frequency bands …

A novel correntropy-based band selection method for the fault diagnosis of bearings under fault-irrelevant impulsive and cyclostationary interferences

Q Ni, JC Ji, K Feng, B Halkon - Mechanical Systems and Signal Processing, 2021 - Elsevier
Demodulation analysis is one of the most effective methods for bearing fault diagnosis.
However, in practical applications, the interferences from ambient noises or other rotating …

Composite fault diagnosis for rolling bearing based on parameter-optimized VMD

H Li, X Wu, T Liu, S Li, B Zhang, G Zhou, T Huang - Measurement, 2022 - Elsevier
Variational mode decomposition (VMD) is a recently introduced adaptive signal analysis
method, which is widely used in fault diagnosis of rotating machinery due to its excellent …

Bearing fault diagnosis based on variational mode decomposition and total variation denoising

S Zhang, Y Wang, S He, Z Jiang - Measurement Science and …, 2016 - iopscience.iop.org
Feature extraction plays an essential role in bearing fault detection. However, the measured
vibration signals are complex and non-stationary in nature, and meanwhile impulsive …

A new approach based on OMA-empirical wavelet transforms for bearing fault diagnosis

M Kedadouche, Z Liu, VH Vu - Measurement, 2016 - Elsevier
Amplitude demodulation is a key means of diagnosing bearing faults. The quality of
demodulation determines the effectiveness of spectrum analysis in detecting defects …

Smart multichannel mode extraction for enhanced bearing fault diagnosis

Q Song, X Jiang, G Du, J Liu, Z Zhu - Mechanical Systems and Signal …, 2023 - Elsevier
In bearing fault diagnosis, multichannel data can contain more abundant and complete fault
information to alleviate the influence of accidental factors in a single channel. To fully …

Diagnosis of compound faults of rolling bearings through adaptive maximum correlated kurtosis deconvolution

G Tang, X Wang, Y He - Journal of Mechanical Science and Technology, 2016 - Springer
This paper proposes a new diagnosis method based on Adaptive maximum correlated
kurtosis deconvolution (AMCKD) for accurate identification of compound faults of rolling …