Solar energy is rapidly advancing as an important means of renewable energy resource. Many of the solar panels throughout the world are positioned with the fixed angles. Solar tracking enables more solar energy to be generated because the solar panel is able to maintain a perpendicular profile to the sun’s rays. Solar trackers move the solar panel to follow the sun trajectories and keep the orientation of the solar collector at an optimal tilt angle. The main objective of this research is to develop an dual-axis solar tracking system (azimuth angle as well as altitude angle) in which solar panel will keep aligned with sunlight in order to maximize in harvesting solar power generation from the solar panel and to show for the output power with dual-axis solar tracking system is higher than without tracking system in the sunny day condition. This research focus on the development of new approach to control the dual-axis solar tracking system by using DC motor and controller design is simple structure and saving cost by using LM 324(op-amp) IC. Design and construction of a prototype for solar tracking system which detects the sunlight using Light Dependent Resistors (LDR) and DC motor is used to control the appropriate position of the panel where it can receive maximum sunlight. In this dual-axis control system, lock anti-phase drive method is used for H-bridge. From the hardware testing, the solar tracker is proven more effective for capturing the maximum sunlight source for solar harvesting applications.
Light Dependent Resistor, Solar Tracker, Dual-axis Control System, Lock Anti-Phase Drive Method, Solar Panel
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