Results 11 to 20 of about 22,860 (267)
Condition monitoring and multi-fault classification of hydraulic systems using multivariate functional data analysis [PDF]
HeliyonCondition monitoring and fault classification in engineering systems is a critical challenge within the scope of Prognostics and Health Management (PHM). The fault diagnosis of complex nonlinear systems, such as hydraulic systems, has become increasingly
Cevahir Yildirim +2 more
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Transmission Line Fault Classification Based on the Combination of Scaled Wavelet Scalograms and CNNs Using a One-Side Sensor for Data Collection [PDF]
SensorsThis research focuses on leveraging wavelet transform for fault classification within electrical power transmission networks. This study meticulously examines the influence of various parameters, such as fault resistance, fault inception angle, fault ...
Ahmed Sabri Altaie +2 more
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Railway Insulator Detection Based on Adaptive Cascaded Convolutional Neural Network
IEEE Access, 2021 Insulator failure is one of the important causes of railway power transmission accidents. In the automatic detection system of railway insulators, the detection and classification of insulator faults is a challenging task due to the complex background ...
Zaixing Wang +5 more
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A Weighted Classification Method Based on Adaptive Feature Selection
IEEE Access, 2022 This paper proposes a new classification method, which can adaptively select effective features and give different classification weights according to the classification ability of features, this method effectively eliminates the influence of invalid ...
Ruizheng Ni +5 more
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Intelligent Fault Detection and Classification Schemes for Smart Grids Based on Deep Neural Networks
Energies, 2023 Effective fault detection, classification, and localization are vital for smart grid self-healing and fault mitigation. Deep learning has the capability to autonomously extract fault characteristics and discern fault categories from the three-phase raw ...
Ahmed Sami Alhanaf +2 more
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Fault Classification and Localization Scheme for Power Distribution Network
Applied Sciences, 2022 In this paper, a fault protection diagnostic scheme for a power distribution system is proposed. The scheme comprises a wavelet packet decomposition (WPD) for signal processing and analysis and a support vector machine (SMV) for fault classification and ...
Katleho Moloi +2 more
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Detection and classification of short-circuit faults on a transmission line using current signal [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2021 This study offers two Support Vector Machine (SVM) models for fault detection and fault classification, respectively. Different short circuit events were generated using a 154 kV transmission line modeled in MATLAB/Simulink software.
Melih Coban, Suleyman S. Tezcan
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Applying wavelet entropy principle in fault classification [PDF]
International Journal of Electrical Power & Energy Systems, 2009 تلعب القدرة على اكتشاف نوع الخطأ وتصنيفه دورًا كبيرًا في حماية نظام الطاقة. يجب أن يكون هذا الإجراء دقيقًا دون استهلاك للوقت. في هذه الورقة، تم تنفيذ الكشف عن نوع الخطأ باستخدام تحليل المويجة جنبًا إلى جنب مع مبدأ إنتروبيا المويجة. تتم محاكاة نظام الطاقة باستخدام PSCAD/EMTDC. تمت دراسة أنواع مختلفة من الأعطال للحصول على أشكال موجية مختلفة للتيار.
S. El Safty, Amany El-Zonkoly
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Sensors, 2022 Fault detection and classification are crucial procedures for electric power distribution systems because they can minimize the occurrence of faults.
Andréia da Silva Santos +4 more
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Journal of Electrical and Computer Engineering, 2021 In this paper, the multilevel classification model of high-speed railway signal equipment fault based on text mining technology is proposed for the data of high-speed railway signal fault.
Fan Gao +4 more
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