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Related papers: SolTrack: a free, fast and accurate routine to com…

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The automated detection of solar features is a technique which is relatively underused but if we are to keep up with the flow of data from spacecraft such as the recently launched Solar Dynamics Observatory, then such techniques will be…

Solar and Stellar Astrophysics · Physics 2015-05-20 Fraser Watson , Lyndsay Fletcher

Moving clouds affect the global solar irradiance that reaches the surface of the Earth. As a consequence, the amount of resources available to meet the energy demand in a smart grid powered using Photovoltaic (PV) systems depends on the…

Image and Video Processing · Electrical Eng. & Systems 2022-01-04 Guillermo Terrén-Serrano , Manel Martínez-Ramón

Most solar applications and systems can be reliably used to generate electricity and power in many homes and offices. Recently, there is an increase in many solar required systems that can be found not only in electricity generation but…

Machine Learning · Computer Science 2021-04-07 Shahriar Rahman , Shazzadur Rahman , A K M Bahalul Haque

The determination of horizontal velocity fields at the solar surface is crucial to understanding the dynamics and magnetism of the convection zone of the sun. These measurements can be done by tracking granules. Tracking granules from…

Astrophysics · Physics 2009-11-13 R. Tkaczuk , M. Rieutord , N. Meunier , T. Roudier

There is a desire to observe the sun's poles to further deepen our understanding of solar activity. However, because of the large speeds needed to perform out-of-ecliptic plane maneuvers, chemical and electric rocket propulsion mechanisms…

Instrumentation and Methods for Astrophysics · Physics 2023-09-13 Jeric V. Garrido , Jose Perico H. Esguerra

Sunspot activity is highly variable and challenging to forecast. Yet forecasts are important, since peak activity has profound effects on major geophysical phenomena including space weather (satellite drag, telecommunications outages) and…

Astrophysics · Physics 2011-02-11 A. Kilcik , C. N. K. Anderson , J. P. Rozelot , H. Ye , G. Sugihara , A. Ozguc

An empirical model for forecasting solar wind speed related geomagnetic events is presented here. The model is based on the estimated location and size of solar coronal holes. This method differs from models that are based on photospheric…

Astrophysics · Physics 2008-11-26 S. Robbins , C. J. Henney , J. W. Harvey

Among several heliophysical and geophysical quantities, the accurate evolution of the solar irradiance is fundamental to forecast the evolution of the neutral and ionized components of the Earth's atmosphere.We developed an artificial…

Solar and Stellar Astrophysics · Physics 2011-11-23 Luis Eduardo A. Vieira , Thierry Dudok de Wit , Matthieu Kretzschmar

We suggest a method that evaluates the horizontal velocity in the solar photosphere with easily observable values using a combination of neural network and radiative magnetohydrodynamics simulations. All three-component velocities of…

Solar and Stellar Astrophysics · Physics 2023-09-06 Hiroyuki Masaki , Hideyuki Hotta , Yukio Katsukawa , Ryohtaroh T. Ishikawa

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…

In this paper, we propose a novel effective light-weight framework, called LightTrack, for online human pose tracking. The proposed framework is designed to be generic for top-down pose tracking and is faster than existing online and…

Computer Vision and Pattern Recognition · Computer Science 2019-05-09 Guanghan Ning , Heng Huang

The exploration of interstellar space will require autonomous navigation systems that do not rely on tracking from the Earth. Here I develop a method to determine the 3D position and 3D velocity of a spacecraft in deep space using a star…

Instrumentation and Methods for Astrophysics · Physics 2021-07-22 Coryn A. L. Bailer-Jones

This paper presents a machine learning-based approach for predicting solar power generation with high accuracy using a 99% AUC (Area Under the Curve) metric. The approach includes data collection, pre-processing, feature selection, model…

Machine Learning · Computer Science 2023-03-15 E. Subramanian , M. Mithun Karthik , G Prem Krishna , D. Vaisnav Prasath , V. Sukesh Kumar

The differential rotation plays a crucial role in the dynamics of the Sun. We study the solar rotation and its correlation with solar activity by applying a modified machine learning algorithm to identify and track coronal bright points…

Solar and Stellar Astrophysics · Physics 2024-07-30 Zahra Shokri , Nasibe Alipour , Hossein Safari

In this paper, we propose a simple yet unified single object tracking (SOT) framework, dubbed SUTrack. It consolidates five SOT tasks (RGB-based, RGB-Depth, RGB-Thermal, RGB-Event, RGB-Language Tracking) into a unified model trained in a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Xin Chen , Ben Kang , Wanting Geng , Jiawen Zhu , Yi Liu , Dong Wang , Huchuan Lu

The ability to predict the future behavior of solar activity has become of extreme importance due to its effect on the near Earth environment. Predictions of both the amplitude and timing of the next solar cycle will assist in estimating…

Solar and Stellar Astrophysics · Physics 2015-05-20 A. Ajabshirizadeh , N. Masoumzadeh Jouzdani , S. Abbassi

With recent advances in the field of machine learning, the use of deep neural networks for time series forecasting has become more prevalent. The quasi-periodic nature of the solar cycle makes it a good candidate for applying time series…

Solar and Stellar Astrophysics · Physics 2020-05-27 B. Benson , W. D. Pan , A. Prasad , G. A. Gary , Q. Hu

Using a portable star tracking system, we are able to obtain the geographical position of the observer, longitude, latitude and North direction. In this work, a new optimization method has been applied to improve accuracy in calculation of…

Instrumentation and Methods for Astrophysics · Physics 2018-08-02 Meysam Izadmehr , Mehdi Khakian Ghom

Although vital for life on Earth, solar activity poses questions and increasing threats to humanity due to the Sun's unknown dynamics, intensified by our dependence on terrestrial and space-based infrastructure. This situation is compounded…

Space Physics · Physics 2025-01-06 Leonidas Askianakis

Using Photovoltaic systems is gradually expanded by increasing energy demand. Abundance and availability of this energy, has turned to one of the most important sources of renewable energy. Unfortunately, photovoltaic systems have two big…

Systems and Control · Electrical Eng. & Systems 2022-01-04 Alireza Tofigh Rihani , Majid Ghandchi