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Distributed bearing fault diagnosis based on vibration

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Distributed bearing fault diagnosis based on vibration analysis | Boštjan Dolenc | Request P

Request PDF on ResearchGate | On Jul 1, 2015, Boštjan Dolenc and others published Distributed bearing fault diagnosis based on vibration analysis ... Voltage unbalance and harmonic voltage distortion affect the power, torque and vibrations on induction motors ...

Vibration Analysis of Rolling Element Bearings Defects - ScienceDire

In this work, vibration analysis of rolling element bearings (REBs) defects is studied. The REBs are the most widely used mechanical parts in rotating machinery under high load and high rotational speeds. When the defect in a rolling element comes into contact with ...

1. Introducti

In a vibration-based fault detection and fault diagnosis system, mechanical damage is referred to changes on geometric properties of the analyzed machine. These sudden changes may generate additional dynamical forces acting in the system. Then, based on the ...

Vibration-Based Fault Diagnosis of Commutator Mot

This paper presents a study on vibration-based fault diagnosis techniques of a commutator motor (CM). Proposed techniques used vibration signals and signal processing methods. The authors analysed recognition efficiency for 3 states of the CM: healthy CM, CM ...

Condition monitoring and fault diagnosis methods for low-speed and heavy-load slewing bearings: a literature review | JVE Journa

Condition monitoring and fault diagnosis based on vibration analysis Condition monitoring and fault diagnosis methods based on vibration analysis are commonly used, including traditional methods and modern methods [51]. The vibration signals of large slewing ...

Vibration Based Diagnosis of Distributed Bearing Faults | Boštjan Dolenc | Request P

Request PDF on ResearchGate | Vibration Based Diagnosis of Distributed Bearing Faults | Bearings are vital components in rotating machinery, being the only one that separate stationary and rotating elements of the machines. Bearings are subjected to ...

Vibration Sensor-Based Bearing Fault Diagnosis Using Ellipsoid-ARTMAP and Differential Evolution Algorith

Effective fault classification of rolling element bearings provides an important basis for ensuring safe operation of rotating machinery. In this paper, a novel vibration sensor-based fault diagnosis method using an Ellipsoid-ARTMAP network (EAM) and a differential ...

Bearing fault diagnosis based on variational mode decomposition and stochastic resonance - IEEE Conference Publicati

To accurately extract fault features, a hybrid method based on variational mode decomposition (VMD) and stochastic resonance (SR) is proposed for weak feature enhancement in bearing fault diagnosis. Firstly, the vibration signal is decomposed by the VMD to ...

Bearing Fault Diagnosis based on Vibration Signature Analysis using Discrete Wavelet Transfo

Bearing Fault Diagnosis based on Vibration Signature Analysis using Discrete Wavelet Transform 1 Mr.Arun Kumar 2 Dr. Anup Mishra Ph. D scholar in Dr. C. V Raman Univ. Bilashpur ...

Measurement Science and Technology PAPER OPEN ACCESS Related content %HDULQJIDXOWGLDJQRVLVEDVHGRQVSHFWUXPLPDJHV RIYLEUDWLRQVLJQD

Keywords: vibration signal, fault diagnosis, bearing, image (Some figures may appear in colour only in the online journal) W Li et al Bearing fault diagnosis based on spectrum images of vibration signals ...

Sensors | Free Full-Text | Bearing Fault Diagnosis with a Feature Fusion Method Based on an Ensemble Convolutional Neural Network and Deep Neural .

the DNN used nine time-domain statistical features from bearing vibration sensor signals as the input. ... In this study, we proposed CNNEPDNN, a novel bearing fault diagnosis model based on ensemble deep neural network (DNN) and CNN. We ...

Bearing Fault Diagnosis in Induction Machine Based on Current Analysis Using High- Resolution Techniq

Bearing Fault Diagnosis in Induction Machine Based on Current Analysis Using High-Resolution Technique ... torque variations induced by a distributed bearing fault. Hence, torque variations due to bearing fault induce phase and therefore frequency modulations ...

A Fault Diagnosis System for Rotary Machinery Supported by Rolling Element Bearin

A Fault Diagnosis System for Rotary Machinery Supported by Rolling Element Bearings by Shahab Hasanzadeh Ghafari A thesis presented to the University of Waterloo in fulfillment of the thesis requirement for the degree of Doctor of Philosophy in Mechanical ...

Vibration Analysis of Ball Beari

Keywords: vibration, bearing fault, FFT, Hilbert-Huang Transform, Intrinsic Mode functions, empirical mode decomposition 1. Introduction ... bearing fault diagnosis using FFT of intrinsic mode functions in Hilbert–Huang transform. They have used the have taken ...

An approach to fault diagnosis for rotating machinery based on feature reconstruction with LCD and t-SNE | JVE Journa

It is crucial to effectively and accurately diagnose fault of rotating machinery. However, high dimension characteristic of features, which are extracted from vibration signals of Rotating machinery, makes it difficult to recognize accurately fault mode. To resolve this ...

Research Article Multiple-Fault Detection Methodology Based on Vibration and Current Analysis Applied to Bearings in Induction Motors and .

Many methodologies based on vibration analysis have been used for identifying speci c faults in both induction motors and gearboxes. ... an incipient bearing fault classi cation was done using a vibration spectrum imaging under low signal to noise ...

Bearing Fault Diagnosis in Induction Machine Based on Current Analysis Using High- Resolution Techniq

Bearing Fault Diagnosis in Induction Machine Based on Current Analysis Using High-Resolution Technique ... torque variations induced by a distributed bearing fault. Hence, torque variations due to bearing fault induce phase and therefore frequency modulations ...

Distributed bearing fault diagnosis based on vibration analys

Distributed bearing faults appear under various circumstances, for example due to electroerosion or the progression of localized faults. Bearings with distributed faults tend to generate more complex vibration patterns than ...

Bearing fault diagnosis based on vibration signals. - University of Huddersfield Reposito

The vibration signal obtained from operating machines contains information relating to machine condition as well as noise. Further processing of the signal is necessary to elicit information particularly relevant to bearing faults. Many techniques have been employed ...

Review of Vibration Based Fault Diagnosis in Rolling Element Bearing and Vibration Analysis Techniqu

Review of Vibration Based Fault Diagnosis in Rolling Element Bearing and Vibration Analysis Techniques Ragini Sidar1, Prakash Kumar Sen2, Gopal Sahu3 ...

Bearing fault diagnosis based on spectrum images of vibration signa

Bearing fault diagnosis based on spectrum images of vibration signals Wei Li 1, Mingquan Qiu , Zhencai Zhu , Bo Wu , and Gongbo Zhou1 1School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, 221116, P.R. China. Email: liwei ...