Results 41 to 50 of about 228,051 (167)

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

open access: yes
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   +1 more source

Research on remaining life of rolling bearings for rolling stock

open access: yes机车电传动, 2023
In order to improve the operational safety and save maintenance costs of rolling stock, this paper focused on the fatigue remaining life of rolling bearings for rolling stock, further investigated their service life rules, and identified the basic types ...
ZHANG Zongfeng   +3 more
doaj  

The fault detection and severity diagnosis of rolling element bearings using modulation signal bispectrum [PDF]

open access: yes
The rolling element bearing is a key part in many mechanical equipment. The accurate and timely diagnosis of its faults is critcal for predictive maintenance. Vibration signals from a defective bearing with a localized fault contain a series of impulsive
Gu, Fengshou   +3 more
core   +2 more sources

REVIEW AND PROSPEСT OF ROLLING BEARINGSLIPPAGE RESEARCH

open access: yesJixie qiangdu
With the development of high speed, high precision and high reliability of rotating machinery systems, rolling bearings as basic components are a very important part of rotating machinery systems. Since the bearing slippage behavior seriously affects the
TU WenBing   +5 more
doaj  

A comparative experimental study on the use of acoustic emission and vibration analysis for bearing defect identification and estimation of defect size [PDF]

open access: yes, 2006
Vibration monitoring of rolling element bearings is probably the most established diagnostic technique for rotating machinery. The application of acoustic emission (AE) for bearing diagnosis is gaining ground as a complementary diagnostic tool, however ...
Mba, David, Al-Ghamd, Abdullah M.
core   +1 more source

滚动轴承温度场研究的现状和展望

open access: yesJixie chuandong, 2010
Temperature rise and distribution status of high-speed rolling bearings are directly effect on the performance and life of the main shaft bearings’ system.The increasing of rolling bearing’s rotate speed may lead to rapid increasing of heat generation ...
刘喆, 王燕霜
doaj  

A Hybrid Approach Based on the SR-HWPT-PDF for Identifying Early Fault Signals in Rolling Bearings

open access: yesJournal of Marine Science and Engineering
An approach combining the stochastic resonance, the harmonic wavelet packet transforms and the probability density function was proposed to obtain the early fault signal of a rolling bearing.
Zhaoyang Feng   +6 more
doaj   +1 more source

Rolling contact fatigue of silicon nitride. [PDF]

open access: yes
Silicon Nitride has traditionally been used as rolling contact bearing material owing to its superior performance compared to bearing steels. Its successful application as a bearing element has led to the development of Silicon Nitride in other rolling ...
Wang, W.
core   +4 more sources

Research on stiffness and damping of the deep groove ball bearing under EHL conditions

open access: yesJixie chuandong
ObjectiveOil lubricated rolling bearings can easily form elasto-hydrodynamic lubrication(EHL) between the rolling element and the raceway. The EHL oil film plays an important role in the stiffness and damping of rolling bearings, and the study and ...
XIA Boqian, DAI Yimin, ZHANG Zebin
doaj  

Analysis of the Influence of Rotor Coupling effect on Vibration of High Speed Angular Contact Ball Bearing

open access: yesJixie chuandong, 2015
Based on the displacement coupling relationship and loading equilibrium relationship between rolling bearings and rotor,a dynamics model of rolling bearings- rotor system based on the internal load- bearing deformation coordination condition is ...
Ye Zhenhuan, Liu Zhansheng, Wang Liqin
doaj  

Home - About - Disclaimer - Privacy