Results 21 to 30 of about 6,686,710 (281)
A robust fault detection method of rolling bearings using modulation signal bispectrum analysis [PDF]
, 2015 Envelope analysis is a widely used method for bearing fault detection. To obtain high detection accuracy, it is critical to select an optimal narrowband for envelope demodulation.
Gu, Fengshou +4 more
core +4 more sources
A line selection method of mine leakage protectio
Gong-kuang zidonghua, 2020 Aiming at problem of low accuracy of line selection when single-phase grounding fault occurs in mine power supply system at present, according to characteristics of obvious difference of zero-sequence current waveform between fault line and non-fault ...
YU Qun, SHANG Xueli
doaj +1 more source
A change-detection algorithm for short-circuit fault detection in closed-loop AC drives [PDF]
, 2013 This paper deals with an on-line method for turn-to-turn short-circuit fault detection in low-voltage permanent-magnet synchronous machine drives. Due to the closed-loop control, the fault effects are reflected in the voltage.
Johan Gyselinck +10 more
core +1 more source
Fault diagnosis of induction motor based on decision trees and adaptive neuro-fuzzy inference [PDF]
, 2009 This paper presents a fault diagnosis method based on adaptive neuro-fuzzy inference system (ANFIS) in combination with decision trees. Classification and regression tree (CART) which is one of the decision tree methods is used as a feature selection ...
Yang, Bo-Suk +5 more
core +1 more source
Towards Immune Inspired Fault Tolerance in Embedded Systems [PDF]
, 2002 The immune system is a remarkable natural system that is proving to be of great inspiration to computer scientists and engineers alike. This paper discusses the role that the immune system can play in the development of fault tolerant embedded systems ...
Timmis, Jon +3 more
core +1 more source
Journal of Harbin University of Science and Technology, 2021 In order to enhance effectiveness of single-phase ground fault feature extraction and to achieve exactly identification of fault line selection，a new fault line selection method of single phase grounding fault based on wavelet packet and online ...
JI Wen-lu +4 more
doaj +1 more source
Research on Arc Grounding Fault Selection Method of Distribution Network Based on Wavelet Analysis [PDF]
Zhengzhou Daxue xuebao. Gongxue ban, 2023 Chinese urban low-voltage distribution network capacitance current rose sharply, single-phase ground fault arc was difficult to self-extinguish and easy to produce arc light ground overvoltage and lead to accidents.
LI Jingli +5 more
doaj +1 more source
Gong-kuang zidonghua, 2014 In view of problems of complex fault situation and unobvious characteristics of fault signal of fault line selection method of existing small current grounding system, a fault line selection method of small current grounding system based on wavelet ...
WANG Xiaowei +3 more
doaj +1 more source
A Novel Approach for Fault Classification and Fault Phase Selection for Transmission Lines
IJIREEICE, 2014 Transmission lines are used to transmit electric power for large distances in electrical power systems. The rapid growth of electrical power systems over the past few decades has resulted in a massive increase of the quantity of lines operative and their total length.
K.RAVI NARAYANA, DR. V. GANESH
openaire +1 more source
Journal of Hebei University of Science and Technology, 2021 In order to solve the problem that the fault line cannot be accurately identified after single-phase grounding fault occurs in power grid,an intelligent sensing method of residual current grounding fault based on wavelet packet decomposition was proposed.
Bingyu LI +5 more
doaj +1 more source