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Development of an energy-autonomous system for the acquisition of sensor measurements, cooperating with unmanned aerial vehicles

Stratakis Ippokratis

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Summary

The target of this thesis is the development of a prototype node tailored for deployment in Wireless Sensor Networks (WSN) via unmanned aerial vehicles (UAVs), known as drones. The developed system is versatile, allowing adaptation to diverse applications based on the integrated sensors and subsystems. Housed on a single board, the system comprises energy harvesting and storage, provides a constant voltage supply for logic circuits and sensors, incorporates a voltage protection circuit, and facilitates device connectivity through specialized connectors.The first section introduces the fundamental aspects crucial for implementation, highlighting existing similar systems and emphasizing the potential advantages of such a system in facilitating the placement and integration of sensor networks.The next section conducts a comprehensive literature review of the constituent elements essential for such a system. This encompasses an analysis of systems for data collection and processing, energy harvesting and storage, communication methods, and strategies for maximizing power production from energy sources.The third section analyzes the developmental of the prototype system. It outlines each stage, from design considerations to component selection for circuits, processing units, and communication modalities.In the fourth section, detailed descriptions of experimental setups are provided, along with an account of various experiments conducted to validate the proper functioning of the system. Noteworthy, experiments include assessments of subsystems concerning energy harvesting, consistent voltage supply, the range of the chosen communication system, and the overall system's autonomy, through experimental measurements.The concluding part encapsulates insights drawn from the experimental results, presenting conclusions and deliberating on potential enhancements and extensions to refine the system's utility and effectiveness.

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