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Battery Free Jogger Light

Energy Storage

Bachelor thesis (2019)

Authors

K.J. Mesman Electrical Engineering, Mathematics and Computer Science
B. Riemens Electrical Engineering, Mathematics and Computer Science

Contributors

Max Mastrangeli Electronic Components, Technology and Materials (mentor)
Virgilio Valente Bio-Electronics (graduation committee member)
Faculty
Electrical Engineering, Mathematics and Computer Science, Electrical Engineering, Mathematics and Computer Science
Copyright: © 2019 Koen Mesman, Boyd Riemens
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Published Date

23-07-2019

Language

English

Reuse Rights

Other than for strictly personal use, it is not permitted to download, forward or distribute the text or part of it, without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license such as Creative Commons.

Faculty

Electrical Engineering, Mathematics and Computer Science

Abstract

The deliverable of this project is a light for joggers that does not use a battery and keeps blinking for a short period of time after standing still. This research details the design and implementation of the storage part of a battery free jogger's light. The goal of this storage part is that it stores energy delivered by an energy harvester so that it can power LEDs for at least 30 seconds when there is no energy harvested anymore. The system consists of a full-bridge rectifier, a voltage regulator, a supercapacitor to store the energy and a switch to couple or decouple the load. The main trade-off of this research is between the charging and discharging times of the supercapacitor. Results show that LEDs in the rectifier offer advantages, since there is instant lighting when jogging and which makes the charging time less critical. With this feature the discharging time could be increased up to one minute. The total efficiency of this storage system is calculated to be 67.9\%.

Files

BAP_Thesis.pdf
(pdf | 6.42 Mb)
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