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相关论文: A Fault Location Method Using Direct Convolution: …

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This paper proposes an accurate fault location algorithm technique based on hybrid synchronized sparse voltage and sparse current phasor measurements. The proposed algorithm addresses the performance limitation of fault location algorithms…

信号处理 · 电气工程与系统科学 2019-07-01 Adil Khan , Abdul Qayyum Khan , Muhammad Sarwar , Muhammad Abubakar , Naeem Iqbal

Time-lapse electrical resistivity tomography (ERT) is a popular geophysical method to estimate three-dimensional (3D) permeability fields from electrical potential difference measurements. Traditional inversion and data assimilation methods…

地球物理 · 物理学 2022-08-10 M. K. Mudunuru , E. L. D. Cromwell , H. Wang , X. Chen

Transformers have demonstrated outstanding performance in many applications of deep learning. When applied to time series data, transformers require effective position encoding to capture the ordering of the time series data. The efficacy…

机器学习 · 计算机科学 2024-02-21 Navid Mohammadi Foumani , Chang Wei Tan , Geoffrey I. Webb , Mahsa Salehi

Fault diagnostics are extremely important to decide proper actions toward fault isolation and system restoration. The growing integration of inverter-based distributed energy resources imposes strong influences on fault detection using…

信号处理 · 电气工程与系统科学 2022-10-28 Bang Nguyen , Tuyen Vu , Thai-Thanh Nguyen , Mayank Panwar , Rob Hovsapian

We propose a new single frequency reverse time migration (RTM) algorithm for imaging extended targets using electromagnetic waves. The imaging functional is defined as the imaginary part of the cross-correlation of the Green function for…

数学物理 · 物理学 2014-06-11 Junqing Chen , Zhiming Chen , Guanghui Huang

A fault diagnosis method for power electronics converters based on deep feedforward network and wavelet compression is proposed in this paper. The transient historical data after wavelet compression are used to realize the training of fault…

信号处理 · 电气工程与系统科学 2022-11-07 Lei Kou , Chuang Liu , Guowei Cai , Zhe Zhang

A power transformer winding is usually subject to mechanical stress and tension because of improper transportation or operation. Radial deformation (RD) is an example of mechanical stress that can impact power transformer operation through…

系统与控制 · 电气工程与系统科学 2020-12-15 Arash Moradzadeh , Kazem Pourhossein , Behnam Mohammadi-Ivatloo , Tohid Khalili , Ali Bidram

Electrical Impedance Tomography (EIT) is a non-invasive imaging modality that has earned significant attention for its potential in real-time monitoring of various physiological parameters. Despite its promise, the sensitivity and…

医学物理 · 物理学 2024-06-06 Georgii Kormakov , Nikolay Koshev

This paper is concerned with uniqueness, phase retrieval and shape reconstruction methods for solving inverse electromagnetic source scattering problems with multi-frequency sparse phased or phaseless far field data. With the phased data,…

偏微分方程分析 · 数学 2019-06-07 Xia Ji , Xiaodong Liu

Data driven transmission line fault location methods have the potential to more accurately locate faults by extracting fault information from available data. However, most of the data driven fault location methods in the literature are not…

系统与控制 · 电气工程与系统科学 2023-07-20 Yiqi Xing , Yu Liu , Dayou Lu , Xinchen Zou , Xuming He

The fault diagnosis of rolling bearings is a critical technique to realize predictive maintenance for mechanical condition monitoring. In real industrial systems, the main challenges for the fault diagnosis of rolling bearings pertain to…

机器学习 · 计算机科学 2022-04-27 Zhenhua Tan , Jingyu Ning , Kai Peng , Zhenche Xia , Danke Wu

Overloading in DC servo motors is a major concern in industries, as many companies face the problem of finding expert operators, and also human monitoring may not be an effective solution. Therefore, this paper proposed an embedded…

机器学习 · 计算机科学 2023-04-11 Seyed Mohammad Hossein Abedy Nejad , Mohammad Amin Behzadi , Abdolrahim Taheri

Traditionally, nonlinear inversion, direct inversion, or wave estimation methods have been used for reconstructing images from MRE displacement data. In this work, we propose a convolutional neural network architecture that can map MRE…

医学物理 · 物理学 2018-12-04 Ligin Solamen , Yipeng Shi , Justice Amoh

Magnetic resonance imaging (MRI) based electrical properties tomography (EPT) is the quantification of the conductivity and permittivity of different tissues. These electrical properties can be obtained through different reconstruction…

This paper focuses on solving a fault detection problem using multivariate time series of vibration signals collected from planetary gearboxes in a test rig. Various traditional machine learning and deep learning methods have been proposed…

信号处理 · 电气工程与系统科学 2023-10-10 Xian Yeow Lee , Aman Kumar , Lasitha Vidyaratne , Aniruddha Rajendra Rao , Ahmed Farahat , Chetan Gupta

In recent times, there has been considerable interest in fault detection within electrical power systems, garnering attention from both academic researchers and industry professionals. Despite the development of numerous fault detection…

系统与控制 · 电气工程与系统科学 2026-02-17 Sidharthenee Nayak , Victor Sam Moses Babu , Chandrashekhar Narayan Bhende , Pratyush Chakraborty , Mayukha Pal

This paper proposes a time-domain fault location identification method for mixed overhead-underground power distribution systems that can handle challenging fault scenarios such as sub-cycle faults, arcing faults and evolving faults. The…

系统与控制 · 电气工程与系统科学 2025-10-23 Ali Shakeri Kahnamouei , Saeed Lotfifard

We present a novel approach for the inverse problem in electrical impedance tomography based on regularized quadratic regression. Our contribution introduces a new formulation for the forward model in the form of a nonlinear integral…

地球物理 · 物理学 2012-05-29 Nick Polydorides , Alireza Aghasi , Eric L. Miller

In order to solve the problem that current convolutional neural networks can not capture the correlation features between the time domain signals of rolling bearings effectively, and the model accuracy is limited by the number and quality…

信号处理 · 电气工程与系统科学 2024-03-26 Maoxuan Zhou , Wei Kang , Kun He

Frequently recurring transient faults in a transmission network may be indicative of impending permanent failures. Hence, determining their location is a critical task. This paper proposes a novel image embedding aided deep learning…

系统与控制 · 电气工程与系统科学 2019-11-12 Shuchismita Biswas , Rounak Meyur , Virgilio Centeno