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This paper presents a novel learning based framework for predicting power outages caused by extreme events. The proposed approach targets low-probability high-consequence outage scenarios and leverages a comprehensive set of features…

机器学习 · 计算机科学 2026-02-11 Nina Fatehi , Antar Kumar Biswas , Masoud H. Nazari

Accurate short-term solar and wind power predictions play an important role in the planning and operation of power systems. However, the short-term power prediction of renewable energy has always been considered a complex regression…

系统与控制 · 电气工程与系统科学 2022-02-08 Wenlong Liao , Birgitte Bak-Jensen , Jayakrishnan Radhakrishna Pillai , Zhe Yang , Kuangpu Liu

The longitudinal distribution of solar active regions shows non-homogeneous spatial behaviour, which is often referred to as Active Longitude (AL). Evidence for a significant statistical relationships between the AL and the longitudinal…

太阳与恒星天体物理 · 物理学 2018-08-22 N. Gyenge , R. Erdélyi

Long Short-Term Memory (LSTM) is a prominent recurrent neural network for extracting dependencies from sequential data such as time-series and multi-view data, having achieved impressive results for different visual recognition tasks. A…

计算机视觉与模式识别 · 计算机科学 2020-06-03 Alireza Sepas-Moghaddam , Ali Etemad , Fernando Pereira , Paulo Lobato Correia

Solar flares and coronal mass ejections (CMEs) are among the most energetic events in the solar system, impacting the near-Earth environment. Flare productivity is empirically known to be correlated with the size and complexity of active…

太阳与恒星天体物理 · 物理学 2017-06-16 Chloé Guennou , Etienne Pariat , Nicole Vilmer , James E. Leake

This paper applies a recurrent neural network, the LSTM, to forecast inflation. This is an appealing model for time series as it processes each time step sequentially and explicitly learns dynamic dependencies. The paper also explores the…

计量经济学 · 经济学 2023-10-03 Livia Paranhos

The prediction of solar flares is still a significant challenge in space weather research, with no techniques currently capable of producing reliable forecasts performing significantly above climatology. In this paper, we present a flare…

太阳与恒星天体物理 · 物理学 2022-10-12 Christian Thibeault , Antoine Strugarek , Paul Charbonneau , Benoit Tremblay

Several papers provide evidences that the most probable sites of flare onset are the regions of high horizontal magnetic field gradients in solar active regions. Besides the localization of flare producing areas the present work intends to…

太阳与恒星天体物理 · 物理学 2016-10-21 M. B. Korsos , T. Baranyi , A. Ludmany

Laser degradation analysis is a crucial process for the enhancement of laser reliability. Here, we propose a data-driven fault detection approach based on Long Short-Term Memory (LSTM) recurrent neural networks to detect the different laser…

信号处理 · 电气工程与系统科学 2022-03-24 Khouloud Abdelli , Danish Rafique , Stephan Pachnicke

A large sample of active-region-targeted time-series images from the Solar Dynamics Observatory / Atmospheric Imaging Assembly, the AIA Active Region Patch database ("AARPs", Paper I: Dissauer et al 2022) is used to investigate whether…

太阳与恒星天体物理 · 物理学 2023-01-25 KD Leka , Karin Dissauer , Graham Barnes , Eric L. Wagner

Streamflow forecasting is key to effectively managing water resources and preparing for the occurrence of natural calamities being exacerbated by climate change. Here we use the concept of fast and slow flow components to create a new…

机器学习 · 计算机科学 2021-07-14 Miguel Paredes Quiñones , Maciel Zortea , Leonardo S. A. Martins

Given the rarity of significant solar flares compared to smaller ones, training effective machine learning models for solar activity forecasting is challenging due to insufficient data. This study proposes using generative deep learning…

太阳与恒星天体物理 · 物理学 2024-04-04 Francesco P. Ramunno , S. Hackstein , V. Kinakh , M. Drozdova , G. Quetant , A. Csillaghy , S. Voloshynovskiy

Predicting the bandwidth utilization on network links can be extremely useful for detecting congestion in order to correct them before they occur. In this paper, we present a solution to predict the bandwidth utilization between different…

网络与互联网体系结构 · 计算机科学 2021-12-07 Maxime Labonne , Charalampos Chatzinakis , Alexis Olivereau

With the evolution of power systems as it is becoming more intelligent and interactive system while increasing in flexibility with a larger penetration of renewable energy sources, demand prediction on a short-term resolution will…

机器学习 · 计算机科学 2022-12-20 Saad Emshagin , Wayes Koroni Halim , Rasha Kashef

The ever-increasing demand to extract temporal correlations across sequential data and perform context-based learning in this era of big data has led to the development of long short-term memory (LSTM) networks. Furthermore, there is an…

新兴技术 · 计算机科学 2022-04-06 Honey Nikam , Siddharth Satyam , Shubham Sahay

Solar flares occur in complex sunspot groups, but it remains unclear how the probability of producing a flare of a given magnitude relates to the characteristics of the sunspot group. Here, we use Geostationary Operational Environmental…

太阳与恒星天体物理 · 物理学 2012-02-28 D. Shaun Bloomfield , Paul A. Higgins , R. T. James McAteer , Peter T. Gallagher

Electricity consumption has increased exponentially during the past few decades. This increase is heavily burdening the electricity distributors. Therefore, predicting the future demand for electricity consumption will provide an upper hand…

机器学习 · 计算机科学 2019-09-19 Anupiya Nugaliyadde , Upeka Somaratne , Kok Wai Wong

Electricity demand forecasting is a well established research field. Usually this task is performed considering historical loads, weather forecasts, calendar information and known major events. Recently attention has been given on the…

机器学习 · 计算机科学 2023-09-14 Yun Bai , Simon Camal , Andrea Michiorri