"Decomposition Model for Estimating Diffuse Solar Radiation" by M. Harhash, W. Dawoud et al.
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Applied Mathematics & Information Sciences

Author Country (or Countries)

Egypt

Abstract

In this paper, a regressive model based on the sigmoid function is presented for estimating the diffuse component of surface solar irradiance from the global irradiance. We consider the correlations between global solar radiation and its diffuse component measured on horizontal incident. The regression equation was tested outside the measurement period (2016) with a root mean square error of about 0.1 and a relative mean bias error of −14.6 ± 0.8%. Results show that the sigmoid behaviour provides more reliable estimates for values of diffuse solar irradiance.

Digital Object Identifier (DOI)

http://dx.doi.org/10.18576/amis/130217

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