Dynamic modeling and vibration analysis of double row cylindrical roller bearings with irregular-shaped defects

X Li, J Liu, S Ding, Y Xu, Y Zhang, M Xia - Nonlinear Dynamics, 2024 - Springer
Defects in the bearings greatly affect vibrations and performances of rotating transmission
systems. Moreover, most previous works estimated the defect shape as a regular shape …

Development of an embedded piezoelectric transducer for bearing fault detection

A Safian, N Wu, X Liang - Mechanical Systems and Signal Processing, 2023 - Elsevier
The trend toward intelligent monitoring and industry 4.0 has attracted more attention to the
performance of intelligent bearings with integrated sensors. Compared with the standard …

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 …

A new numerical method for the tribo-dynamic analysis of cylindrical roller bearings

C Fang, Y Peng, Y Guan, W Zhou, G Gao, X Meng - Nonlinear Dynamics, 2023 - Springer
This paper proposes a new numerical method for the tribo-dynamic analysis of the CRB by
coupling the roller–raceway mixed EHL model and the motion equations of the CRB …

Influences of inclined crack defects on vibration characteristics of cylindrical roller bearings

Z Shi, G Zhang, J Liu, X Li, Y Xu, C Yan - Mechanical Systems and Signal …, 2024 - Elsevier
Crack initiation and propagation directions on the raceway surface of cylindrical roller
bearings (CRBs) can generate different forms of excitation patterns and affect the vibration …

Dynamic modelling of combination imperfects of a cylindrical roller bearing

J Liu, L Wang - Engineering Failure Analysis, 2022 - Elsevier
Local fault failures could greatly affect the vibrations of cylindrical roller bearings (CRBs).
However, most previous works defined the fault surface as the smooth ones, whose actual …

Speed monitoring and fault detection in bearings using an embedded piezoelectric transducer under speed-varying condition

A Safian, X Liang - Transactions of the Canadian Society for …, 2023 - cdnsciencepub.com
For more than three decades, vibration monitoring by accelerometers has been a common
technique in the health monitoring of bearings and rotating machines. These sensors are …

Partial wear and deformation of roller bearing under extreme inclined load and its experimental research

Y Zhao, Q Han, X Gao - Archive of Applied Mechanics, 2023 - Springer
In this paper, the roller bearings partial wear due to extreme inclined load caused by poor
installation is investigated. First, based on non-Hertz contact theory, a quasi-static model of …

Vibration model combined with natural frequency characteristics of cylindrical roller bearings with spalling defects

X Huang, W Zhao, Q Zhou, Z Liang, G Gao… - Journal of Sound and …, 2024 - Elsevier
The modeling of early spalling defects in cylindrical roller bearings (CRB) is a challenging
problem in fault diagnosis. Due to the absence of prominent" drop-in" excitation, accurately …

Modeling and experimental characterization of contact boundary tractions in non-conforming contact with random defects

Q Lin, C Sun, J Chen - Tribology International, 2023 - Elsevier
An experimental characterization method for the non-conforming contact with random
defects is developed in this paper. The method consists of the mechanics modeling and the …