Microcontroller-Based Sun Path Tracking System by Nasir Ahmed Filfil, Deia Halboot Mohussen, Khamis A. Zidan

“…These mathematical equations are used to compute the solar height angle (elevation) and the solar horizon angle (azimuth), whereas the usage of the fixed solar cells does not accomplish the desired object, that means the use of fixed solar cells does not grant a suitable output during a day and a season, where the sun position differs at the morning to the noon and at the setting of the sun, this is due to the spherical shape of Earth and to its rotation around the sun. …”
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