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The nature of the soil?s foundation bears a major influence on the time behavior of a building. Geotechnical studies are chosen based on the appropriate constructive methods for the terrain situation. There are however, cases where, even if the constructive solutions are adopted accordingly with the conclusions of prior studies, due to an inadequate approach in the achieving process of these studies, there are deformations that occur in the structure of the constructions, that affect their exploitation process of ...

The conversion of the solar energy depends mostly on the irradiance of the Sun at the level of the photovoltaic panel. Another significant factor that modifies the solar energy conversion is the temperature at the surface of the PV panel. The energy output of the Sun is fairly constant, but the solar irradiance varies significantly from one hour to another and changes throughout the day. In this paper we are presenting the design of a simple but effective MPPT (Maximum Power Point Tracker) charge controller based ...