Effects of three types of bearing misalignments on dynamic characteristics of planetary gear set-rotor system

P Wang, H Xu, H Ma, H Han, Y Yang - Mechanical Systems and Signal …, 2022 - Elsevier
Bearing misalignment may be one of the causes of cage fracture fault. However, the
research of bearing misalignment on vibration characteristics of the rotating machinery …

Data synthesis using dual discriminator conditional generative adversarial networks for imbalanced fault diagnosis of rolling bearings

T Zheng, L Song, J Wang, W Teng, X Xu, C Ma - Measurement, 2020 - Elsevier
Diagnosis of rolling bearings plays an important role in condition monitoring of industrial
rotating machinery. In many actual applications, rolling bearings work in normal state at most …

Dynamic modelling and contact analysis of bearing-cycloid-pinwheel transmission mechanisms used in joint rotate vector reducers

LX Xu, BK Chen, CY Li - Mechanism and Machine Theory, 2019 - Elsevier
A generalised dynamic model is proposed for the bearing-cycloid-pinwheel transmission
mechanisms (BCPTMs) that are used in robot joint rotate vector (RV) reducers. The model …

Rolling bearing fault diagnosis utilizing variational mode decomposition based fractal dimension estimation method

Y Zhang, G Ren, D Wu, H Wang - Measurement, 2021 - Elsevier
A novel fractal dimension estimation method based on VMD is proposed in this paper. VMD
is utilized to decompose the multi-component signal into several components. Multi …

Unknown bearing fault diagnosis under time-varying speed conditions and strong noise background

J Yang, C Yang, X Zhuang, H Liu, Z Wang - Nonlinear Dynamics, 2022 - Springer
The bearing vibration signal shows strong non-stationary property under time-varying speed
conditions. In addition, the weak bearing fault characteristic is often submerged in strong …

[PDF][PDF] A review on vibration signal analysis techniques used for detection of rolling element bearing defects

PH Jain, SP Bhosle - SSRG Int. J. Mech. Eng, 2021 - researchgate.net
Almost all machines having rotating parts contain rolling element bearings to support the
rotating parts during power transmission. Bearing failure is a major cause of the breakdown …

Analytical modeling and mechanism analysis of time-varying excitation for surface defects in rolling element bearings

L Yang, Y Sun, R Sun, L Gao… - Journal of Dynamics …, 2023 - ojs.istp-press.com
Surface defects, including dents, spalls, and cracks, for rolling element bearings are the
most common faults in rotating machinery. The accurate model for the time-varying …

Deep-learning method based on 1D convolutional neural network for intelligent fault diagnosis of rotating machines

J Chuya-Sumba, LM Alonso-Valerdi, DI Ibarra-Zarate - Applied Sciences, 2022 - mdpi.com
Fault diagnosis in high-speed machining centers (HSM) is critical in manufacturing systems,
since early detection saves a substantial amount of time and money. It is known that 42% of …

Research progress on bearing fault diagnosis with localized defects and distributed defects for rolling element bearings

S Patel, U Shah, B Khatri… - Noise & Vibration …, 2022 - journals.sagepub.com
In rotating machinery, rolling elements are the key members of the rolling element bearing
(REB), which has tremendous application in automobiles, aerospace, ships, machinery …

Vibration characteristics analysis of rolling bearing rotor system considering radial clearance and outer raceway defect

R Chen, J Liu, J Tang, Q Han… - Advances in …, 2023 - journals.sagepub.com
Because of the radial clearance, the radial stiffness of rolling bearing will show obvious time-
varying characteristics, which may cause a certain vibration. The small defects on the …