The main goal of this project is to design a very precise solar tracker. The project is divided into two parts; hardware and software. Hardware part generally composed of solar panel, two-DC motors with gearbox, LDR sensor module and electronic circuit. Software part represents the thinking behavior
Dual Axis Solar Tracking System
The main goal of this project is to design a very precise solar tracker. The project is divided into two parts; hardware and software. Hardware part generally composed of solar panel, two-DC motors with gearbox, LDR sensor module and electronic circuit. Software part represents the thinking behavior of the system, that is how the system acting under several weather conditions. In this work sensing of the sun position carried out in two stages primary and secondary. Primary stage or indirect sensing performed via sun-earth relationship as a coarse adjustment and second stage or direct sensing performed via set of LDR sensors as output tuning to trims the azimuth and altitude angles. If the weather is cloudy or dusty, the tracking system uses primary stage or sun-earth geometrical relationships only to identify the location of the sun; so the system tracks the position of the sun regardless the weather condition. The energy extracted from photovoltaic (PV) or any solar collector depends on solar irradiance. For maximum extraction of energy from the sun, the solar collector panel should always be normal to the incident radiation Solar trackers moves the solar collector to follow the sun path and keeps the orientation of the solar collector at an optimal tilt angle. A solar tracking system improves substantially the energy efficiency of photovoltaic (PV) panels. In this paper, an automatic dual-axis solar tracking system is designed and developed using Light Dependent Resistor (LDR) and DC motors on a mechanical structure with gear arrangement. Two-axis solar tracking (azimuth angle as well as altitude angle) is implemented through the Arduino UNO controller based on Sun-Earth Geometry. The results indicated that the automatic solar tracking system is more reliable and efficient than a fixed one.
The whole work involves reading different sensor values and then comparing them digitally to determine the exact position of the sun in an east-west direction. Again the system is also given some predefined values based on the sun’s geographical location in the north-south direction. Overall the entire system can intelligently track the sun’s movement both on the horizontal and vertical axis. In order to simplify the design and implementation process, the whole system is divided into two parts.
The analysis can be found on Appendix A2, while the information can be referenced in Appendix B5.
In this solar tracking system, LDRs (Light Dependent Resistor) as known as Photo resistors plays a major role [4] These are sensitive to light, so these are used in Light or Dark detector circuit. Two LDRs are installed and the stepper motor used to move towards solar power. The stepper motor moves towards the LDR, which the resistance to be high i.e. towards the LDR on which the light is falling, and will continue to obey the sun. If both the LDRs had the same amount of light falling, the stepper would not rotate. This method is done by using Arduino microcontroller to interface with other components.
Firstly, our project is based on hardware. Our Product provides the easiest way to Track a 360 Degree solution of tracking sun.
After reaching that particular.
The Motion Sensors will capture the Sun Light of the 360 Degree plate and then raspberry pi 4 which is a mini-computer. Tracking All The motions Which possibly Apply on Solar Plates to track Sun light, raspberry pi controls all the motion in this system, servo motor will be ejected in this system, who’s control plates motion or 360 degree solution, motion sensors and whether sensor’s control’s all the whether activity, detecting whether light, good or bad light. Servo motor controller will be control the servo motor. Axels for rotating x-axis y-axis of solar plates.
Direct benefits
Indirect benefits:
Optimizing human resources to consumer habits.
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| Servo motor | Equipment | 4 | 750 | 3000 |
| Arduino microcontroller | Equipment | 2 | 4000 | 8000 |
| Stepper motor | Equipment | 2 | 2996 | 5992 |
| LDRS Sensors | Equipment | 8 | 200 | 1600 |
| LDRS Sensors | Equipment | 1 | 2500 | 2500 |
| Solar Panels | Equipment | 2 | 2500 | 5000 |
| Adapter | Equipment | 1 | 1000 | 1000 |
| • Portable USB charger | Equipment | 1 | 1500 | 1500 |
| Raspberry pi power supply | Equipment | 1 | 1200 | 1200 |
| HDMI cable | Equipment | 1 | 700 | 700 |
| expense cost | Miscellaneous | 3 | 1996 | 5988 |
| Total in (Rs) | 36480 |
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