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Volume 18
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Article

A Hybrid Dual-Axis Solar Tracking System: Combining Light-Sensing and Time-Based GPS for Optimal Energy Efficiency

by
Muhammad Hammas
1,
Hassen Fituri
1,
Ali Shour
1,
Ashraf Ali Khan
1,*,
Usman Ali Khan
2 and
Shehab Ahmed
3
1
Department of Electrical and Computer Engineering, Memorial University of Newfoundland, St. John’s, NL A1B 3X5, Canada
2
School of Electrical and Electronics Engineering, Yonsei University, Seoul 03722, Republic of Korea
3
CEMSE Division, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
*
Author to whom correspondence should be addressed.
Energies 2025, 18(1), 217; https://doi.org/10.3390/en18010217
Submission received: 22 November 2024 / Revised: 14 December 2024 / Accepted: 17 December 2024 / Published: 6 January 2025
(This article belongs to the Special Issue Power Quality and Hosting Capacity in the Microgrids)
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Abstract

Fixed solar panels face significant energy loss as they cannot consistently capture optimal sunlight. Because of that, the overall efficiency of the PV panel will be reduced, and the installation requires larger land space to generate appropriate power; this stems from the use of a dual-axis solar tracking system, which can significantly increase overall energy production. The system is based on the combination of two approaches to precisely track the sunlight: first, using multiple LDRs (light-dependent resistors) as photo sensors to track the position of the sun by balancing the resistivity using a proportional integral deprival (PID) controller, and the second approach using the time-based control for cloudy days when sunlight is diffused, getting the time GPS coordinates and time to calculate the accurate position of the sun by determining the azimuth and altitude angle. This dual system significantly improves energy production by 33.23% compared to fixed systems and eliminates errors during shaded conditions while reducing unnecessary energy use from continuous GPS activation. The prototype uses two linear actuators for both angles and a 100-watt solar panel mounted on the dual-axis platform.
Keywords: dualaxis; GPS; IoT; latitude; LDR; PV; PID dualaxis; GPS; IoT; latitude; LDR; PV; PID

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MDPI and ACS Style

Hammas, M.; Fituri, H.; Shour, A.; Khan, A.A.; Khan, U.A.; Ahmed, S. A Hybrid Dual-Axis Solar Tracking System: Combining Light-Sensing and Time-Based GPS for Optimal Energy Efficiency. Energies 2025, 18, 217. https://doi.org/10.3390/en18010217

AMA Style

Hammas M, Fituri H, Shour A, Khan AA, Khan UA, Ahmed S. A Hybrid Dual-Axis Solar Tracking System: Combining Light-Sensing and Time-Based GPS for Optimal Energy Efficiency. Energies. 2025; 18(1):217. https://doi.org/10.3390/en18010217

Chicago/Turabian Style

Hammas, Muhammad, Hassen Fituri, Ali Shour, Ashraf Ali Khan, Usman Ali Khan, and Shehab Ahmed. 2025. "A Hybrid Dual-Axis Solar Tracking System: Combining Light-Sensing and Time-Based GPS for Optimal Energy Efficiency" Energies 18, no. 1: 217. https://doi.org/10.3390/en18010217

APA Style

Hammas, M., Fituri, H., Shour, A., Khan, A. A., Khan, U. A., & Ahmed, S. (2025). A Hybrid Dual-Axis Solar Tracking System: Combining Light-Sensing and Time-Based GPS for Optimal Energy Efficiency. Energies, 18(1), 217. https://doi.org/10.3390/en18010217

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