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We develop forecast models of daily probability of major flares (M- and X-class) based on empirical relationships between photospheric magnetic parameters and daily flaring rates from May 2010 to April 2018. In this study, we consider ten…

Solar and Stellar Astrophysics · Physics 2019-09-25 Daye Lim , Yong-Jae Moon , Jongyeob Park , Eunsu Park , Kangjin Lee , Jin-Yi Lee , Soojeong Jang

Precisely forecasting wind speed is essential for wind power producers and grid operators. However, this task is challenging due to the stochasticity of wind speed. To accurately predict short-term wind speed under uncertainties, this paper…

Machine Learning · Computer Science 2018-11-27 Sisheng Liang , Long Nguyen , Fang Jin

In the era of space exploration, the implications of space weather have become increasingly evident. Central to this is the phenomenon of coronal holes, which can significantly influence the functioning of satellites and aircraft. These…

Solar and Stellar Astrophysics · Physics 2024-06-24 Juyoung Yun

Operational flare forecasting aims at providing predictions that can be used to make decisions, typically at a daily scale, about the space weather impacts of flare occurrence. This study shows that video-based deep learning can be used for…

Solar and Stellar Astrophysics · Physics 2022-09-13 Sabrina Guastavino , Francesco Marchetti , Federico Benvenuto , Cristina Campi , Michele Piana

Pebble bed reactor (PBR) operation presents unique advantages and challenges due to the ability to continuously change the fuel mixture and excess reactivity. Each operation parameter affects reactivity on a different timescale. For…

Systems and Control · Electrical Eng. & Systems 2025-11-10 Ian Kolaja , Ludovic Jantzen , Tatiana Siaraferas , Massimiliano Fratoni

Here, we developed a complex network of solar active regions (ARs) to study various local and global properties of the network. The values of the Hurst exponent ($0.8-0.9$) were evaluated by both the detrended fluctuation analysis and the…

Solar and Stellar Astrophysics · Physics 2017-08-23 Farhad Daei , Hossein Safari , Neda Dadashi

We present a case study of solar flare forecasting by means of metadata feature time series, by treating it as a prominent class-imbalance and temporally coherent problem. Taking full advantage of pre-flare time series in solar active…

Solar and Stellar Astrophysics · Physics 2021-05-26 Azim Ahmadzadeh , Berkay Aydin , Manolis K. Georgoulis , Dustin J. Kempton , Sushant S. Mahajan , Rafal A. Angryk

Predicting stock market movements remains a persistent challenge due to the inherently volatile, non-linear, and stochastic nature of financial time series data. This paper introduces a deep learning-based framework employing Long…

Computational Engineering, Finance, and Science · Computer Science 2025-05-09 Rajneesh Chaudhary

With emerging smart communities, improving overall system availability is becoming a major concern. In order to improve the reliability of the components in a system we propose an inference model to predict Remaining Useful Life (RUL) of…

Machine Learning · Computer Science 2019-06-18 Sanchita Basak , Saptarshi Sengupta , Abhishek Dubey

Ensuring sustainability demands more efficient energy management with minimized energy wastage. Therefore, the power grid of the future should provide an unprecedented level of flexibility in energy management. To that end, intelligent…

Neural and Evolutionary Computing · Computer Science 2018-11-29 Daniel L. Marino , Kasun Amarasinghe , Milos Manic

Solar-powered base stations are a promising approach to sustainable telecommunications infrastructure. However, the successful deployment of solar-powered base stations requires precise prediction of the energy harvested by photovoltaic…

Systems and Control · Electrical Eng. & Systems 2024-10-29 Yawen Guo , Sonia Naderi , Colleen Josephson

It is important to calculate and analyze temperature and humidity prediction accuracies among quantitative meteorological forecasting. This study manipulates the extant neural network methods to foster the predictive accuracy. To achieve…

Atmospheric and Oceanic Physics · Physics 2021-01-26 Ki Hong Shin , Jae Won Jung , Sung Kyu Seo , Cheol Hwan You , Dong In Lee , Jisun Lee , Ki Ho Chang , Woon Seon Jung , Kyungsik Kim

Accurate solar power forecasting is pivotal for the global transition towards sustainable energy systems. This study conducts a meticulous comparison between Quantum Long Short-Term Memory (QLSTM) and classical Long Short-Term Memory (LSTM)…

Predicting the flow of information in dynamic social environments is relevant to many areas of the contemporary society, from disseminating health care messages to meme tracking. While predicting the growth of information cascades has been…

Social and Information Networks · Computer Science 2020-04-28 Sameera Horawalavithana , John Skvoretz , Adriana Iamnitchi

This paper presents a framework for processing EV charging load data in order to forecast future load predictions using a Recurrent Neural Network, specifically an LSTM. The framework processes a large set of raw data from multiple…

A solar active region (AR) may produce multiple notable flares during its passage across the solar disk. We investigate successive flares from flare-eruptive active regions, and explore their relationship with solar magnetic parameters. We…

Solar and Stellar Astrophysics · Physics 2023-01-11 Hao Ran , Ying D. Liu , Yang Guo , Rui Wang

This paper improves wind power prediction via weather forecast-contextualized Long Short-Term Memory Neural Network (LSTM) models. Initially, only wind power data was fed to a generic LSTM, but this model performed poorly, with erratic and…

Machine Learning · Computer Science 2019-08-06 Maximilian Du

Long-Short-Term-Memory (LSTM) networks have been used extensively for time series forecasting in recent years due to their ability of learning patterns over different periods of time. In this paper, this ability is applied to learning the…

Signal Processing · Electrical Eng. & Systems 2020-06-30 Mayank Jain , Shilpa Manandhar , Yee Hui Lee , Stefan Winkler , Soumyabrata Dev

This study uses a Long Short-Term Memory (LSTM) network to predict the remaining useful life (RUL) of jet engines from time-series data, crucial for aircraft maintenance and safety. The LSTM model's performance is compared with a Multilayer…

Signal Processing · Electrical Eng. & Systems 2024-01-17 Anees Peringal , Mohammed Basheer Mohiuddin , Ahmed Hassan

Time series prediction can be generalized as a process that extracts useful information from historical records and then determines future values. Learning long-range dependencies that are embedded in time series is often an obstacle for…

Neural and Evolutionary Computing · Computer Science 2018-10-25 Yuxiu Hua , Zhifeng Zhao , Rongpeng Li , Xianfu Chen , Zhiming Liu , Honggang Zhang