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Artificial Intelligence Learns To Predict Solar Flux - Science/Technology - Nairaland

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Artificial Intelligence Learns To Predict Solar Flux by duplexDan(m): 6:40pm On Jan 24
Researchers from the Department of Computer Systems Engineering at Universidad Polit├ęcnica de Madrid,in collaboration with the University of Strathclyde (UK), used a deep learning approach that had previously shown promising performance in other forecasting problems, to forecast the F10.7 solar radio flux over days-ahead timescales relevant to space operations.

The F10.7 index, which is a measurement of the intensity of solar radio emissions with a wavelength of 10.7 cm, is used as a proxy for solar activity, a main driver in changes in the density of the atmosphere, and therefore atmospheric drag. As atmospheric drag is one of the most prominent sources of uncertainty in the orbit prediction of the satellites in the Low Earth Orbit (LEO), the accurate modeling of this index is of great importance to help predict the positions of satellites and space debris, and ensure no collisions occur.

The methodology followed for the development of this model is based on the use of Deep Learning methods, more specifically, using a new approach based on Deep Residual Networks. This method, based on the neural network architecture "N-BEATS" was found to be effective in single-point forecasting up to 27 days ahead, as well as able to predict the uncertainty in the forecast using an ensemble of models.

The research team found that the N-BEATS model outperformed two forecast tolos available for space operators: one statistical (provided by BGS, ESA), and one multi-flux shallow neural network (by CLS, CNES).

With a growing number of private companies offering services in space, the results of this team are important for the space industry, as they can be used to develop tools to forecast the drag conditions in the near future and make more accurate orbit predictions.

The study has been published in the journal Acta Astronautica.

https://phys.org/news/2022-01-artificial-intelligence-solar-flux.html

Re: Artificial Intelligence Learns To Predict Solar Flux by Ahmback(m): 10:35pm On Jan 24
Olai

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