Design and development of a wearable energy generation device

Wearable energy generation device will be an ideal invention where people can obtain electricity anytime and anywhere. When a human walks, chemical energy in the body is converted to mechanical energy. The concept of the design is to convert this mechanical energy into electrical energy to power up...

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Main Author: Ng, Gim Hong.
Other Authors: Chua Soon Keong, Patrick
Format: Final Year Project
Language:English
Published: 2009
Subjects:
Online Access:http://hdl.handle.net/10356/15739
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-157392023-03-04T18:35:43Z Design and development of a wearable energy generation device Ng, Gim Hong. Chua Soon Keong, Patrick School of Mechanical and Aerospace Engineering DRNTU::Engineering::Mechanical engineering::Alternative, renewable energy sources DRNTU::Engineering::Electrical and electronic engineering Wearable energy generation device will be an ideal invention where people can obtain electricity anytime and anywhere. When a human walks, chemical energy in the body is converted to mechanical energy. The concept of the design is to convert this mechanical energy into electrical energy to power up small portable electronic devices like handphones, laptop computers, torch lights, etc. In this project, the author has gone through the selection of the best voltage. The evaluation on the existing voltage sources has been achieved by using the evaluation criterion like size and weight, easy to use, efficiency, durability, and also cost. The device is to be wearable, light weight and well hidden. So the size and weight criteria occupies the heaviest weight rate throughout the evaluation. Piezoelectricity is chosen for the device design in this project. The design idea is to place piezoelectric material inside the shoes, so that when a human walks, mechanical stress is applied to the piezoelectric material to generate electricity. The project is continued with designing a circuit to change and store the electrical energy generated by piezoelectric material, to a desired direct current (DC) signal which can be used to power up electronic devices. Piezoelectric diaphragm is used for the design. Experiments are carried out to analyze the signal generated by piezoelectric diaphragm for different circuit design. Rectifier circuit and filter circuit are designed to produce DC signal in order to light up an LED. Although the voltage value is high, the current value is very small. The design need to be carried out to amplify the current. Bachelor of Engineering (Mechanical Engineering) 2009-05-14T03:34:12Z 2009-05-14T03:34:12Z 2009 2009 Final Year Project (FYP) http://hdl.handle.net/10356/15739 en Nanyang Technological University 109 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Mechanical engineering::Alternative, renewable energy sources
DRNTU::Engineering::Electrical and electronic engineering
spellingShingle DRNTU::Engineering::Mechanical engineering::Alternative, renewable energy sources
DRNTU::Engineering::Electrical and electronic engineering
Ng, Gim Hong.
Design and development of a wearable energy generation device
description Wearable energy generation device will be an ideal invention where people can obtain electricity anytime and anywhere. When a human walks, chemical energy in the body is converted to mechanical energy. The concept of the design is to convert this mechanical energy into electrical energy to power up small portable electronic devices like handphones, laptop computers, torch lights, etc. In this project, the author has gone through the selection of the best voltage. The evaluation on the existing voltage sources has been achieved by using the evaluation criterion like size and weight, easy to use, efficiency, durability, and also cost. The device is to be wearable, light weight and well hidden. So the size and weight criteria occupies the heaviest weight rate throughout the evaluation. Piezoelectricity is chosen for the device design in this project. The design idea is to place piezoelectric material inside the shoes, so that when a human walks, mechanical stress is applied to the piezoelectric material to generate electricity. The project is continued with designing a circuit to change and store the electrical energy generated by piezoelectric material, to a desired direct current (DC) signal which can be used to power up electronic devices. Piezoelectric diaphragm is used for the design. Experiments are carried out to analyze the signal generated by piezoelectric diaphragm for different circuit design. Rectifier circuit and filter circuit are designed to produce DC signal in order to light up an LED. Although the voltage value is high, the current value is very small. The design need to be carried out to amplify the current.
author2 Chua Soon Keong, Patrick
author_facet Chua Soon Keong, Patrick
Ng, Gim Hong.
format Final Year Project
author Ng, Gim Hong.
author_sort Ng, Gim Hong.
title Design and development of a wearable energy generation device
title_short Design and development of a wearable energy generation device
title_full Design and development of a wearable energy generation device
title_fullStr Design and development of a wearable energy generation device
title_full_unstemmed Design and development of a wearable energy generation device
title_sort design and development of a wearable energy generation device
publishDate 2009
url http://hdl.handle.net/10356/15739
_version_ 1759855234059862016