Forecasting of preprocessed daily solar radiation time series using neural networks Presenter : Cheng-Han Tsai Authors : Christophe Paoli, Cyril Voyant, Marc Muselli, Marie-Laure Nivet SOLAR ENERGY, 2010 1 Outlines • • • • • • 2 Motivation Objectives Methodology Experiments Conclusions Comments Motivation • A lot of methods’ performance be affected by disruptors such as diffuse, ground-reflected and seasonal climate. 3 Objectives • This paper has used a MLP and pre-processing for the daily prediction of global solar radiation to deal with the above problems. 4 Methodology 5 Methodology ARIMA 6 Bayesian Markov chains KNN Methodology ARIMA 7 Bayesian Markov chains KNN Methodology ARIMA 8 Bayesian Markov chains KNN Methodology ARIMA 9 Bayesian Markov chains KNN Experiments 10 Experiments Cleaning the measure errors Ad-hoc time series preprocessing Corrected time series 11 Forecasting methods & Predicted irradiation Experiments Ad-hoc time series preprocessing Clearness index 12 Clear sky index Experiments 13 Experiments 14 Experiments 15 Conclusions • This prediction model has been compared to other prediction methods • These simulation tools have been successfully validated on the DC energy prediction 16 Comments • Advantages – This paper considers seasonal factors • Applications – Solar radiation prediction 17
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