Papers › Embedding Cyclical Information in Solar Irradiance Forecasting

Embedding Cyclical Information in Solar Irradiance Forecasting

19 Oct 2021arXiv:2110.09761links table onlyarchive 2025-07-28

T. A. Fathima, Vasudevan Nedumpozhimana, Yee Hui Lee, Soumyabrata Dev

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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 irradiance for predicting future values. The second one uses the historical solar irradiance values, together with the corresponding timestamps. We employ data from the weather station located at Nanyang Technological University (NTU) Singapore. The solar irradiance values are recorded with a temporal resolution of $1$ minute, for a period of $1$ year. We use Multilayer Perceptron Regression (MLP) technique for forecasting solar irradiance. We obtained significant better prediction accuracy when the time stamp information is embedded in the forecasting framework, as compared to solely using historical solar irradiance values.

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