rolling bearings fault detection
A review of wind turbine main-bearings: design, operation, modelling, damage mechanisms and fault detection
... combined force and moment loads. The first of these improved upon existing techniques in terms of evaluating pressure distri- butions along rollers via integration. The latter is specifically considering TRBs for DD ...
30
Fault Diagnosis of a Rolling Element Bearings using Acoustic Condition Monitoring and Artificial Neural Network Technique
... Acoustic emission (AE) or stress wave emission is the phenomenon of transient elastic wave generation in the materials which is subjected to stress at a certain level, a rapid release of strain energy takes place in the ...
11
Electrostatic wear monitoring of rolling element bearings
... the fault, rather than secondary effects, such as increased vibration or temper- ature ...early detection and progressive monitoring of component ...
11
Fault severity diagnosis of rolling element bearings based on kurtogram and envelope analysis
... localized fault contain a series of impulsive responses, which result from the impacts of the defective part(s) with other ...on fault location ...for fault severity estimation, which is critical to ...
5
A cointegration-based monitoring method for rolling bearings working in time-varying operational conditions
... other fault detection methods for roller element bearings it can distinguish between healthy and faulty bearings even when the speed is significantly ...element fault detection ...
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A Comparative Experimental Study on Fault Diagnosis of Rolling Element Bearing Using Acoustic Emission and Soft Computing Techniques
... bearing fault diagnosis ...of rolling element bearings as well as potentially offers advantages for detection of incipient damage at an early stage of failure ...early detection of ...
13
An automated procedure for detection and identification of ball bearing damage using multivariate statistics and pattern recognition
... element bearings constitute a major part of almost every rotating ...smooth rolling contact surfaces are marred, higher stress conditions imposed on the surface reduce bearing life ...concern. Fault ...
37
Frequency Loss and Recovery in Rolling Bearing Fault Detection
... element bearings are key components of mechanical equipment. The bearing fault characteristics are affected by the interaction in the vibration ...bearing fault signal rather than the external ...
12
A fault diagnosis methodology for rolling element bearings based on advanced signal pretreatment and autoregressive modelling
... limitations of using FFT with non-stationary signals, a lot of studies for bearing fault detection are proposed. Some of these studies include analysing the signal instantaneously in its time and frequency ...
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Characterization of Acoustic Emissions from Journal Bearings for Fault Detection
... Journal bearings are reliable and considered superior to rolling element bearings in high load capacity, vibration absorption, shock resistance, quietness, and long ...
13
A Review on Prognosis of Rolling Element Bearings
... in bearings results in severe vibrations of rotating ...Timely detection of these faults and estimation of the time to failure are the areas of concern for researchers because abrupt failure of ...
7
The fault detection and severity diagnosis of rolling element bearings using modulation signal bispectrum
... The rolling element bearing is a key part in many mechanical ...localized fault contain a series of impulsive responses, which result from the impacts of the defective part(s) with other elements and ...
13
Application Of Wavelet Transform For Fault Diagnosisof Rolling Element Bearings
... of rolling element bearings fault is critical not only for the safe operation of machines, but also for the reduction of maintenance ...and fault diagnostics of rolling element ...
11
Evaluation of Rolling Fatigue Damage in Deep Groove Ball Bearings by Divided Type Focusing Ultrasonic Transducer
... the bearings in a machine is damaged, it could lead to the fatal damage of the entire ...in bearings have been decreasing due to improvements in the cleanliness factor of materials and the heat treating ...
6
Analysis on Damage to Rolling Bearings at Small Turning Angles
... between rolling elements and ring raceways are different than those in rotating ...standard bearings, and their basic rating life is determined by using ISO 281 ...of rolling bearings were ...
7
Transmission Line Fault Detection using BFONN
... In this paper a new method to classify the types of faults and to determine the exact location of faults in transmission lines from the sender’s end has been proposed. This method uses famous optimisation techniques ...
8
Effect of mounting fits on the performance of rolling bearings (analytical study)
... the bearings on their shafts with a tight transition fit (light interference fit), and to insert the bearing outer rings on their housings with a slight transition ...the rolling elements is necessary for ...
7
VIBRATION MONITORING FOR FAULT DETECTION AND PROCESS CONTROL OF THE MOTOR-MIXER AGREGATE IN FENI INDUSTRY-MACEDONIA
... In the case of two assemblies of motor- mixers in this paper, there are given vibrations signature only measured at critical points of the motor and the mixer in period before the bearings failure. The analysis ...
5
An investigation into vibrations excited by discrete faults in rolling element bearings
... The vibration source and the observed response produced by a discrete fault on the outer race of a radially loaded rolling element bearing are illustrated in figure 1.7.. Hereafter it wi[r] ...
284
Oil film bearings applied to heavy duty rolling mill drive couplings
... crosshead bearings, where the usual arrangement of oil grooves is a central-circumferential groove, through which axial grooves are spaced with an arc slightly less than the angle of oscillation all around the ...
297