Results 41 to 50 of about 35,178 (215)

A fast fault classification technique for power systems [PDF]

open access: yes, 2014
This paper proposes a fast fault classification technique using three phase current signals for power systems. Digital Fourier Transform, the ‘Least Square’ method or the Kalman Filtering technique are used to extract fundamental frequency components of ...
Nouri, Hassan, Wang, Chun
core   +1 more source

A Study of Motor Bearing Fault Diagnosis using Modulation Signal Bispectrum Analysis of Motor Current Signals [PDF]

open access: yes, 2013
Failure of induction motors are a large concern due to its influence over industrial production. Motor current signature analysis (MCSA) is common practice in industry to find motor faults. This paper presents a new approach to detection and diagnosis of
Chen, Zhi   +5 more
core   +1 more source

Analog Circuit Fault Classification and Data Reduction Using PCA-ANFIS Technique Aided by K-means Clustering Approach

open access: yesAdvances in Electrical and Computer Engineering, 2022
The paper work aims to extract effectively the fault feature information of analog integrated circuits and to improve the performance of a fault classification process. Thus, a fault classification method based on principal component analysis (PCA) and
LAIDANI, I., BOUROUBA, N.
doaj   +1 more source

Induction machine fault detection enhancement using a stator current high resolution spectrum [PDF]

open access: yes, 2012
Fault detection in squirrel cage induction machines based on stator current spectrum has been widely investigated. Several high resolution spectral estimation techniques have been developed and used to detect induction machine abnormal operating ...
CHARPENTIER, Jean-Frederic   +8 more
core   +1 more source

Multiple Feature Vectors Based Fault Classification for WSN Integrated Bearing of Rolling Mill

open access: yesJournal of Control Science and Engineering, 2018
For rolling mill machines, the operation status of bearing has a close relationship with process safety and production effectiveness. Therefore, reliable fault diagnosis and classification are indispensable.
Bo Qin, Luyang Zhang, Heng Yin, Yan Qin
doaj   +1 more source

Fault classification using an Artificial Neural Network based on Vibrations from a Reciprocating Compressor [PDF]

open access: yes, 2010
Reciprocating compressors are widely used in industry for various purposes and faults occurring in them can degrade performance, consume additional energy, and even cause severe damage to the machine.
Gu, Fengshou, Ahmed, Mahmud
core  

An adaptive artificial immune system for fault classification

open access: yesJournal of Intelligent Manufacturing, 2010
Fault diagnosis is very important in ensuring safe and reliable operation in manufacturing systems. This paper presents an adaptive artificial immune classification approach for diagnosis of induction motor faults. The proposed algorithm uses memory cells tuned using the magnitude of the standard deviation obtained with average affinity variation in ...
Ilhan Aydin   +2 more
openaire   +2 more sources

Machine fault diagnosis and condition prognosis using classification and regression trees and neuro-fuzzy inference systems [PDF]

open access: yes, 2010
This paper presents an approach to machine fault diagnosis and condition prognosis based on classification and regression tress (CART) and neuro-fuzzy inference systems (ANFIS).
Yang, Bo-Suk   +3 more
core  

An Adaptive Simplified Travelling Wave‐Based Fault Detection, Classification and Location Estimation Strategy for Series Compensated Transmission Lines

open access: yesIET Smart Grid
Faults in power transmission systems pose significant challenges due to the complexity and length of transmission lines. Effective fault detection, classification and location are essential for preventing further damage to the power grid.
Ehsan Akbari, Milad Samady Shadlu
doaj   +1 more source

Fault diagnosis of motor drives using stator current signal analysis based on dynamic time warping [PDF]

open access: yes, 2013
Electrical motor stator current signals have been widely used to monitor the condition of induction machines and their downstream mechanical equipment. The key technique used for current signal analysis is based on Fourier transform (FT) to extract weak ...
Gu, Fengshou   +6 more
core   +1 more source

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