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DUAL AXIS SOLAR TRACKING

Authors:

S.V. Tade1, Ajit Ithape2, Kunal Patil3, Vishwajeet Patil4, Ganesh Palmate5

1Assistant Professor, Department of Electrical Engineering, Sinhgad Institute of Technology, Lonavala.

2Student, Department of Electrical Engineering, Sinhgad Institute of Technology, Lonavala. 3Student, Department of Electrical Engineering, Sinhgad Institute of Technology, Lonavala. 4Student, Department of Electrical Engineering, Sinhgad Institute of Technology, Lonavala. 5Student, Department of Electrical Engineering, Sinhgad Institute of Technology, Lonavala.

Abstract - This paper presents the development and implementation of a dual-axis solar tracking system designed to improve the efficiency of photovoltaic (PV) modules in a solar energy setup. The system aims to maximize the solar irradiance received by the PV panel by maintaining continuous alignment with the sun throughout the day. A hardware prototype was designed and constructed using an Arduino Uno microcontroller, which controls two servo motors to rotate the solar panel along both azimuth and elevation axes. The control mechanism is driven by real-time input from four light-dependent resistors (LDRs) positioned around the panel to detect the direction of maximum light intensity. The microcontroller processes this data to adjust the panel orientation dynamically. Experimental results demonstrate that the proposed tracking system increases energy output compared to a fixed-panel setup. The presented design serves as a reliable reference model and foundation for the development of more advanced solar tracking systems in future research.

Key words: Solar Tracking System, Dual-Axis, Photovoltaic Efficiency, Arduino Uno, LDR Sensor, Servo Motor.