Results 21 to 30 of about 1,912,866 (270)

Trace Ratio Criterion-Based Kernel Discriminant Analysis for Fault Diagnosis of Rolling Element Bearings Using Binary Immune Genetic Algorithm

Shock and Vibration, 2016
The rolling element bearing is a core component of many systems such as aircraft, train, steamboat, and machine tool, and their failure can lead to reduced capability, downtime, and even catastrophic breakdowns.
Wen-An Yang, Maohua Xiao, Wei Zhou, Yu Guo, Wenhe Liao, Gang Shen   +5 more
doaj   +1 more source

Load state of tapered roller bearings used for pinion gear of gear units in electric railway vehicle

Nihon Kikai Gakkai ronbunshu, 2022
The purpose of this paper is to understand the load state of pinion bearings used for a gear unit in an electric railway vehicle. For this purpose, a system capable of measuring the rolling element load distribution of the pinion bearing in an actual ...
Daisuke SUZUKI, Ken TAKAHASHI, Yoshiaki OKAMURA, Takafumi NAGATOMO   +3 more
doaj   +1 more source

Effect of internal clearance on rolling element load of double row tapered roller bearings

Nihon Kikai Gakkai ronbunshu, 2016
An external load applied to a rolling bearing is distributed among the rolling elements. This rolling element load distribution is changed according to the way the external load is applied or the internal clearance of the bearing. And, it will affect the
Ken TAKAHASHI, Daisuke SUZUKI, Takafumi NAGATOMO   +2 more
doaj   +1 more source

Application of Improved Robust Local Mean Decomposition and Multiple Disturbance Multi-Verse Optimizer-Based MCKD in the Diagnosis of Multiple Rolling Element Bearing Faults

Machines, 2022
Rolling element bearings are an important joint in mechanical equipment and have a high engineering application value. To solve the problem of the difficulty in extracting periodic fault pulses due to complex noise interference and the interference of ...
Xiang Lu, Ao Zhu, Yaqi Song, Guoli Ma, Xingzhen Bai, Yinjing Guo   +5 more
doaj   +1 more source

Detection and Diagnosis of Rolling Element Bearing Faults Using Time Encoded Signal Processing and Recognition [PDF]

This thesis presents a systematic study of using TESPAR (Time Encoded Signal Processing and Recognition), which presently is in use as an effective tool for speech recognition and shows great advantages in computational demands and accuracy, to develop a
Abdusslam, Shukri Ali
core   +3 more sources

Dynamic Characteristics of Rolling Elements in Cageless Bearings Based on a Nonlinear Dynamic Model

Applied Sciences
The main reason cageless bearings fail as protective bearings for magnetic levitation bearings is the uncontrolled motion of isolated rolling elements without a cage.
Qiyu Wang, Yanling Zhao, Mingzhu Wang, Yuan Jin   +3 more
doaj   +1 more source

Evaluation of Acoustic Emission Sources during Monitoring of Incipient Damage Detection in Rolling Contact Fatigue

Tribology Online, 2008
The study highlighted the potentiality and effectiveness of Acoustic Emission (AE) signals monitoring along with data clustering analysis as a powerful tool applicable to the rolling elements under examination for incipient damage failure.
Md. Ziaur Rahman, Hiroaki Ohba, Takeo Yoshioka, Takashi Yamamoto   +3 more
doaj   +1 more source

Analytical model and spectral characteristics of acoustic emission signal produced by localized fault of rolling element bearing

Xibei Gongye Daxue Xuebao, 2021
The accurate description of acoustic emission signals produced by the localized fault of a rolling element bearing plays an important role in its feature extraction and analysis.

doaj   +1 more source

Change in geometrical form of rolling element of ball bearing which is exposed to high temperature and relationship between non repetitive run-out

Nihon Kikai Gakkai ronbunshu, 2014
High carbon chromium bearing steel (SUJ2) is generally used for the rolling element of ball bearing as its material. Normal form of the bearing steel is wire rod.
Shoji NOGUCHI, Tohru KANADA, Ichiro YOSHIDA   +2 more
doaj   +1 more source

Dynamic Modeling and Analysis of Rolling Bearing with Compound Fault on Raceway and Rolling Element

Shock and Vibration, 2020
Rolling element bearing is a very important part of mechanical equipment and widely used in rotating machinery. Rolling element bearings could appear localized defects during the working condition, which would cause the complex vibration response of ...
Xin Zhang, Changfeng Yan, Yaofeng Liu, Pengfei Yan, Yubo Wang, Lixiao Wu   +5 more
doaj   +1 more source