Solar Powered Drone

Abstract

A solar powered drone is an unmanned aerial vehicle (UAV) that uses renewable solar energy to achieve longer and more efficient flight operations. It is equipped with solar panels that capture sunlight and convert it into electrical energy through the Photovoltaic Effect, which is then either used directly to power the drone or stored in a rechargeable battery for continuous operation during low-light conditions. The system includes essential components such as a charge controller for regulating power, a battery for energy storage, a flight controller for managing stability and navigation, and Electronic Speed Controllers (ESCs) that control motor speed. Sensors like gyroscope, accelerometer, and GPS provide real-time data to ensure accurate positioning and smooth flight. The motors and propellers generate the necessary lift and thrust, enabling the drone to take off, hover, and move efficiently. By integrating solar energy with intelligent control systems, solar powered drones offer increased flight endurance, reduced reliance on conventional fuels, and eco-friendly operation, making them highly suitable for applications such as surveillance, environmental monitoring, agriculture, and disaster management.

Introduction

The text describes a solar-powered drone, an advanced UAV that uses solar energy as its primary power source through photovoltaic panels. These panels convert sunlight into electricity, which is either used directly or stored in batteries to extend flight duration. Compared to traditional battery-powered drones, solar drones offer longer operational time, improved efficiency, and reduced need for frequent recharging.

The system includes key components such as PV modules for energy generation, batteries for energy storage, bus capacitors for voltage stabilization, and microcontrollers (Arduino Uno and Arduino Mega) for power management and flight control. Motor drivers and brushless motors provide propulsion, while sensors ensure stability, altitude control, and directional accuracy through continuous feedback.

The working principle involves capturing solar energy, regulating and distributing it efficiently, and deciding whether to store or use it in real time. The main advantages include extended flight endurance and reduced carbon emissions due to the use of renewable energy.

Applications include long-duration surveillance, security monitoring, environmental tracking, wildlife observation, and climate studies. Experimental testing evaluates system performance in terms of stability, speed, and load handling under controlled conditions.

Conclusion

The solar-powered drone project demonstrates an innovative approach to improving the efficiency and sustainability of unmanned aerial vehicles by utilizing renewable energy. By integrating solar panels based on the Photovoltaic Effect, the drone is capable of extending its flight duration and reducing dependence on conventional battery power.

References

[1] Al Dhafari, L. S., et al. (2024) Solar-Powered UAVs: A Systematic Literature Review - Provides a detailed overview of solar UAV technologies, applications, and challenges. [2] Chen, Y. (2022) Overview of Solar UAV Power System - Discusses power systems, solar cell efficiency, and UAV applications.

Copyright

Copyright © 2026 Mr. G. C. Jagan, Abubakkar Siddiq J, M Kishore, Mithun Esakki V. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.