Results 31 to 40 of about 407,589 (204)

A novel bearing fault diagnosis method based on multi-scale transfer symbolic dynamic entropy and support vector machine

Xibei Gongye Daxue Xuebao, 2023
In view of the problem that the generalization ability of traditional data-driven fault diagnosis model declines or even fails in mechanical system diagnosis, a fault diagnosis method based on multi-scale transfer symbolic dynamic entropy and support ...
YU Guangwei, YAN Li
doaj   +1 more source

Machine learning-based spatiotemporal fusion method for non-intrusive charging pile fault identification

Frontiers in Electronics
Fault detection in charging piles is crucial for the widespread adoption of electric vehicles and the reliability of charging infrastructure. Currently, due to the lack of sufficient fault data for charging piles, achieving stable and accurate fault ...
Youjun Duan, Shi Shu, Yange Zhao, Hengfeng Mo, Haitao Wu, Chengzhi Hou, Hao Tian   +6 more
doaj   +1 more source

Cooperative Virtual Sensor for Fault Detection and Identification in Multi-UAV Applications [PDF]

, 2018
This paper considers the problem of fault detection and identification (FDI) in applications carried out by a group of unmanned aerial vehicles (UAVs) with visual cameras.
Heredia Benot, Guillermo, Ollero Baturone, Aníbal, Suárez, Alejandro   +2 more
core   +2 more sources

A two-stage active current limiting control coordinated protection scheme for multi-terminal MMC-HVDC grid

International Journal of Electrical Power & Energy Systems
The inherent flexible and controllable characteristics of the multi-terminal flexible DC grid based on modular multilevel converters (MMCs) have opened up new avenues for the research on fault current limitation and line fault identification.
Yao Sun, Junjie Hou, Yanfang Fan, Guobing Song   +3 more
doaj   +1 more source

Protection of parallel transmission lines including inter-circuit faults using Naïve Bayes classifier

Alexandria Engineering Journal, 2016
Parallel transmission lines are difficult to protect due to mutual coupling between circuits. This paper proposes a Naïve Bayes classifier (NBC) based fault detection and classification technique for protection of parallel transmission line involving ...
Aleena Swetapadma, Anamika Yadav
doaj   +1 more source

Seismic fault identification method based on CBAM-TransUNet

Meitan xuebao
Detection and identification of faults are crucial in the process of coal exploration and mining, and the traditional manual method of fault interpretation can no longer meet the needs of actual production, and the deep learning-based seismic fault ...
Xin WANG, Wei ZHANG, Tongjun CHEN, Ao ZHANG, Dang ZHAO   +4 more
doaj   +1 more source

Fault section identification method for the UHV GIL-overhead hybrid line

The Journal of Engineering, 2019
GIL-overhead hybrid transmission line is an essential way for UHV waters crossing power transmission over long distance in china. The fault section identification of the UHV GIL-overhead hybrid line is a previous work for the protection selective ...
Botong Li, Tianfeng Gu, Zhongqing Li, Bin Li   +3 more
doaj   +1 more source

Accuracy in the Identification of a Generator Thermal Bow [PDF]

, 2004
Model-based diagnostic techniques can be used to identify the faults that affect rotating machines. In general, the most important faults and malfunctions can be modelled by means of a suitable set of equivalent excitations that are applied to the nodes ...
PENNACCHI, PAOLO EMILIO LINO MARIA, VANIA, ANDREA TOMMASO   +1 more
core   +1 more source

Optimization of Fault Identification and Location Using Adaptive Neuro-Fuzzy Inference System and Support Vector Machine for an AC Microgrid

IEEE Access
Conventional methods for high-impedance faults, low fault current levels, and communication delays could not properly identify the fault identification and location of an AC Microgrid.
A. Kurmaiah, C. Vaithilingam
doaj   +1 more source

Research on the identification of high-resistance ground faults in the flexible DC distribution network based on VMD–inception–CNN

Frontiers in Energy Research, 2023
With the rapid development of flexible DC distribution networks, fault detection and identification have also attracted people’s attention. High-resistance grounding fault poses a great challenge to the distribution network.
Feng Zheng, Yaling Peng, Changxu Jiang, Yanzhen Lin, Ning Liang   +4 more
doaj   +1 more source