Date of Award

August 2024

Document Type

Thesis

Degree Name

Master of Science (MS)

Department

Electrical Engineering

First Advisor

Bo Liang

Abstract

This research investigates laser-based tracking systems for wireless power transfer (WPT) applications. Beginning with an overview of renewable energy and WPT technologies, the study establishes both theoretical frameworks and practical methodologies for laser-based power transmission. The experimental analyses encompass load testing with a four-quadrant module, examining the impact of laser power, load conditions, and beam diameter on power transfer efficiency, as well as the influence of target movement speed on voltage stability. Notably, we achieved a tracking speed of up to 20 mm/s, ensuring efficient power delivery even with target motion. The results demonstrate clear correlations between laser power levels and photovoltaic module output, with maximum power levels reaching 0.66198 Watts under optimal conditions. The study highlights the power consistency of laser-based systems, particularly in maintaining stable voltage output despite variations in target speed. Additionally, the research explores real-world applications, emphasizing the potential of laser-based WPT systems to provide reliable and efficient power in diverse scenarios.

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