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The Future of Energy: A Hybrid Human Motion Energy Harvester
Almatrafi, Lina Alaidaroos, Batool Shigdar, Basma
Almatrafi, Lina
Alaidaroos, Batool
Shigdar, Basma
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Abstract
This comprehensive study delves into the design, analysis, and implementation of an Energy Harvester system, leveraging human leg motion for electricity generation. DC-DC converters, vital components in power electronics systems, are thoroughly explored, encompassing Boost, Cuk, SEPIC, and Zeta converters. The design process involves meticulous component selection, aligning with desired converter performance and specific application requirements. The investigation extends beyond theoretical analysis, focusing on key performance parameters like efficiency, voltage ripple, transient response, and output regulation. Through rigorous examination, the study aims to provide practical insights into the intricate dynamics of DC-DC converters. To validate theoretical analyses and design principles, sophisticated simulation tools such as Simulink and MATLAB are employed. The project addresses challenges faced in connecting various system components, employing a combination of PS-simulink and Simulink-PS blocks. Additionally, the project introduces single and double pendulum models to simulate human leg motion, providing a nuanced understanding of rhythmic walking patterns. Results showcase the Boost converter as the most efficient among the evaluated DC-DC converters, despite some limitations. The successful generation of 2.4 W of DC power from human motion demonstrates the system's potential in low-power electronics and wearable devices. This research not only advances the field of DC-DC converters but also sheds light on the intricate dynamics of pendulum-based energy harvesting systems. The findings contribute valuable insights into the optimization of energy harvesting systems, emphasizing the role of pendulum dynamics and advanced control techniques in achieving efficient voltage conversion.