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Location independent automated dual-axis solar tracking based on astronomical calculations

Mohebati, M.M ; Sharif University of Technology | 2023

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  1. Type of Document: Article
  2. DOI: 10.1109/ICRoM60803.2023.10412608
  3. Publisher: Institute of Electrical and Electronics Engineers Inc , 2023
  4. Abstract:
  5. Solar power is among the cleanest forms of renewable energy, and various methods have been proposed to increase its energy output. Among these proposals are control methods for the solar panel to maximize energy output. This paper presents the design of a dual-Axis solar tracking system to maximize the power output at different times of day and geographical locations. The system calculates the optimal solar tracking angles ahead of time using the astronomical and geometrical relationships. These pre-calculated angles are stored and used to position the panel every 30 minutes without the need for photocells. The system uses brush-less DC motors with PID controllers for precise tracking. Calculations are done for three cities in Iran to showcase the system's adaptability to the location. Results show the smooth tracking responses and flexibility across variable solar angles throughout the day and year. © 2023 IEEE
  6. Keywords:
  7. Dual-Axis tracking ; Maximum power point tracking (MPPT) ; PV systems ; Renewable energy ; Solar tracking
  8. Source: 11th RSI International Conference on Robotics and Mechatronics, ICRoM 2023 ; 2023 , Pages 343-348 ; 979-835030810-5 (ISBN)
  9. URL: https://ieeexplore.ieee.org/document/10412608