Electricity Generating Footwear- Engineering EEE Project
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This document describes a student project to create electricity-generating footwear insoles. The insoles would use piezoelectric transducers that produce energy from the wearer's footsteps. This could potentially charge devices like fitness trackers in shoes or phones. The project plans to source materials like piezoelectric transducers, diodes, and wires to build a circuit. Proof-of-concept photos show the circuit and plans to integrate it into shoe insoles. The goal is to generate enough power through walking to charge batteries and USB devices. This could foreseeably be developed by shoe companies to wirelessly power and sync fitness trackers to phones without separate charging.
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The document summarizes a seminar on footstep power generation. It describes how the up and down motion of footsteps on pressure plates can be used to generate electricity. The basic principle is that when a pedestrian steps on a plate, it dips down and rotates a shaft connected to a generator to produce electrical energy. The system has applications in places with heavy foot traffic like train stations, airports, and parking lots. It provides a renewable source of energy without pollution and can power lights, fans and other small devices. While initial costs are high, it efficiently captures wasted kinetic energy from walking.
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This document summarizes a method for generating electricity from human footstep using piezoelectric materials. It discusses how piezoelectric sensors in footwear or flooring can convert the mechanical energy from walking or running into electrical energy. The document evaluates different piezoelectric materials and connection configurations to determine the most effective design. A series-parallel connection of piezoelectric crystals is found to generate both a usable voltage and current from footstep force. This approach aims to harness wasted human energy for power generation in a cleaner and more sustainable way.
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Lec # 03 equivalent circuit of a synchronous generator
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2) Armature reaction, caused by the distortion of the air-gap magnetic field by the stator current, is the largest effect. It can be modeled by an inductor in series with EA.
3) The full equivalent circuit model of a 3-phase synchronous generator includes a DC power source for the rotor field, and a per-phase equivalent circuit with EA in series with resistance and inductance to represent the combined effects of armature reaction and self-inductance.Footstep power generation
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device generating elecricity by footstep using peizoelectic material
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Lec # 03 equivalent circuit of a synchronous generator
Lec # 03 equivalent circuit of a synchronous generator
Generation of electricity from walking on floors using piezo
Generation of electricity from walking on floors using piezo
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Electricity Generating Footwear- Engineering EEE Project
- 1. Electricity Generating Footwear By Group 8• Waqas • Azharude en
- 2. Content Introduction Concept Behind The Project Scope Materials Piezo Electric Circuits Budget Progress Proof Project Proof Conclusion Discussion
- 3. INTRODUCTION Did you know that you can produce electricity by just walking? Here's a little science experiment that will show you a little secret on making insoles that can charge USB devices! The challenge is to make a slip-on insole that can produce enough electricity to charge batteries/ USB devices.
- 4. Concept Behind The Project Piezoelectricity was present ever since mid- 18th century. Piezoelectricity is the electric charge that accumulates in certain solid materials (such as crystals, certain ceramics in response to applied mechanical stress. This sounds familiar! Yes they do, you can actually find those piezo elements in your old/ outdated earphones from the 90's.
- 5. SCOPE As funny as it sounds, charging a phone with your shoe isn't really joke. Who knows maybe someday shoe companies like Nike could use these insole generators to power fitness chips (inside shoes) that would sync to your phone wirelessly. This way, you don't have to charge your smart-shoes just to sync them with your phone.
- 6. MATERIALS Generic USB Power bank Piezoelectric Transducers (6x) 1N4007 Rectifier Diodes (4x) Connecting Wire (at least 12") Pair Of Shoes Contact Adhesive Digital Multimetre
- 7. Piezoelectric Transducers • Rated Maximum Voltage (Vp-p Square Wave) : 30 Vp-p • Capacitance : 20,000 pF ±30% • Resonant Frequency : 4,200 ±500 Hz • Resonant Impedance : 300 • Operating Temperature : -20 to +60°C • Storage Temperature : -20 to +70°C
- 8. CIRCUITS
- 10. PROGRESSmade in our project is We have bought all the required material for the project. We have enclosed the bill of the material which we had bought. We have also enclosed the photo copy of the material as a proof of concept. We have also built a diode rectifier to convert the DC to AC output. We have also modified the Shoe , to insert the required circuit setup in the insole of the shoe. We have also enclosed the picture of the insole of the shoe ,to which the circuit Is going to be inserted.
- 11. PROOF
- 12. PROJECT PROOF
- 13. CONCLUSION As funny as it sounds, producing electricity through a footwear isn't really joke. Who knows maybe someday shoe companies like Nike could use these insole generators to power fitness chips (inside shoes) that would sync to your phone Hence in the end of the project we would able to generate electricity through a foot wear.
- 14. Questions
- 15. By Group 8 • Waqas • Azarudin • Arshad