English
Related papers

Related papers: Forecasting Solar Cycle 25 using Deep Neural Netwo…

200 papers

In this paper, we demonstrate the importance of embedding temporal information for an accurate prediction of solar irradiance. We have used two sets of models for forecasting solar irradiance. The first one uses only time series data of…

Solar and Stellar Astrophysics · Physics 2021-10-20 T. A. Fathima , Vasudevan Nedumpozhimana , Yee Hui Lee , Soumyabrata Dev

After reviewing potential early indicators of an upcoming solar cycle at high latitudes, we focus attention on the rush-to-the-poles (RTTP) phenomenon in coronal green line emission. Considering various correlations between properties of…

Solar and Stellar Astrophysics · Physics 2019-12-18 K. Petrovay , M. Nagy , T. Gerják , L. Juhász

A new prediction technique based on logarithmic values is proposed to predict the maximum amplitude (Rm) of a solar cycle from the preceding minimum aa geomagnetic index (aamin). The correlation between lnRm and lnaamin (r = 0.92) is…

Solar and Stellar Astrophysics · Physics 2011-10-28 Z. L. Du

Accurate 24-hour solar irradiance forecasting is essential for the safe and economic operation of solar photovoltaic systems. Traditional numerical weather prediction (NWP) models represent the state-of-the-art in forecasting performance…

The forecast of tropical cyclone trajectories is crucial for the protection of people and property. Although forecast dynamical models can provide high-precision short-term forecasts, they are computationally demanding, and current…

Atmospheric and Oceanic Physics · Physics 2020-01-13 Sophie Giffard-Roisin , Mo Yang , Guillaume Charpiat , Christina Kumler-Bonfanti , Balázs Kégl , Claire Monteleoni

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…

Solar and Stellar Astrophysics · Physics 2012-02-28 D. Shaun Bloomfield , Paul A. Higgins , R. T. James McAteer , Peter T. Gallagher

With the expected rise in behind-the-meter solar penetration within the distribution networks, there is a need to develop time-series forecasting methods that can reliably predict the net-load, accurately quantifying its uncertainty and…

Signal Processing · Electrical Eng. & Systems 2022-03-10 Deepthi Sen , Indrasis Chakraborty , Soumya Kundu , Andrew P. Reiman , Ian Beil , Andy Eiden

The solar interior is probed by the properties of the Sun's acoustic oscillations (p-modes) observed on the solar surface. The frequencies of these p-modes measured in the last three decades show long term variation similar to the 11 year…

Solar and Stellar Astrophysics · Physics 2026-04-23 Rekha Jain , Akash Kumar , Sushanta C. Tripathy

Accurate surface solar irradiance (SSI) forecasting is essential for optimizing renewable energy systems, particularly in the context of long-term energy planning on a global scale. This paper presents a pioneering approach to solar…

Atmospheric and Oceanic Physics · Physics 2024-11-14 Alberto Carpentieri , Jussi Leinonen , Jeff Adie , Boris Bonev , Doris Folini , Farah Hariri

This study addresses the prediction of geomagnetic disturbances by exploiting machine learning techniques. Specifically, the Long-Short Term Memory recurrent neural network, which is particularly suited for application over long time…

The tilt angle of a sunspot group is a critical quantity in the surface transport of magnetic flux and the solar dynamo. To contribute long-term databases of the tilt angle, we developed an IDL routine, which allows the user to…

Solar and Stellar Astrophysics · Physics 2018-12-04 Emre Isik , Seda Isik , Bahar B. Kabasakal

When cloud layers cover photovoltaic (PV) panels, the amount of power the panels produce fluctuates rapidly. Therefore, to maintain enough energy on a power grid to match demand, utilities companies rely on reserve power sources that…

We develop a mixed Long Short Term Memory (LSTM) regression model to predict the maximum solar flare intensity within a 24-hour time window 0$\sim$24, 6$\sim$30, 12$\sim$36 and 24$\sim$48 hours ahead of time using 6, 12, 24 and 48 hours of…

Solar and Stellar Astrophysics · Physics 2020-08-26 Zhenbang Jiao , Hu Sun , Xiantong Wang , Ward Manchester , Tamas Gombosi , Alfred Hero , Yang Chen

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

The analysis of the observations of solar activity indexes SSN (NOAA Sunspot Numbers), the radio flux at a wavelength of 10.7 cm (F10.7) and the solar constant (TSI) during the cycles 22 - 24 is presented. We found a decrease of the…

Solar and Stellar Astrophysics · Physics 2015-10-08 E. A. Bruevich , G. V. Yakunina

We present a novel approach to perform ground-based estimation and prediction of the surface solar irradiance with the view to predicting photovoltaic energy production. We propose the use of mini-batch k-means clustering to extract…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Mehdi Zakroum , Mounir Ghogho , Mustapha Faqir , Mohamed Aymane Ahajjam

We developed a flare prediction model using machine learning, which is optimized to predict the maximum class of flares occurring in the following 24 h. Machine learning is used to devise algorithms that can learn from and make decisions on…

Solar and Stellar Astrophysics · Physics 2017-02-01 N. Nishizuka , K. Sugiura , Y. Kubo , M. Den , S. Watari , M. Ishii

Sea surface temperature (SST) variability plays a key role in the global weather and climate system, with phenomena such as El Ni\~{n}o-Southern Oscillation regarded as a major source of interannual climate variability at the global scale.…

Atmospheric and Oceanic Physics · Physics 2022-02-22 John Taylor , Ming Feng

Accurate short-term energy consumption forecasting is essential for efficient power grid management, resource allocation, and market stability. Traditional time-series models often fail to capture the complex, non-linear dependencies and…

Computers and Society · Computer Science 2026-01-27 Abhishek Maity , Viraj Tukarul

Solar energy is now the cheapest form of electricity in history. Unfortunately, significantly increasing the grid's fraction of solar energy remains challenging due to its variability, which makes balancing electricity's supply and demand…

Machine Learning · Computer Science 2021-12-30 Akansha Singh Bansal , Trapit Bansal , David Irwin