Design and Construction of a Two-axis Sun Tracking Control System Based on STM32
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In this paper, a two-axis sun tracking control system based on STM32 was designed and constructed. Which combined the use of the reliable programming method under normal circs and the precise method based on the sensors if the tracking error under abnormal. Consequently, solar energy utilization is maximized. The system was characterized by a fairly simple and low-cost electromechanical set-up. And more significantly, it can be applied in all types of solar systems and works efficiently in all weather conditions. It has been implemented and practically tested on the parabolic trough and dish collector successfully.