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POWER WALK

RANA BEGUM (04083034) 4/4 EIE 1st SEMSYEDA MASNOONA (04083029)

PROJECT GUIDE: MD ISMAIL


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ENERGY CAN NEITHER BE CREATED

NOR DESTROYED IT CAN ONLY BE

TRANSFORMED FROM ONE FORM TO

THE OTHER


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EACH WEEK PEOPLE IN CITIES CAN

WALK ANYWHERE BETWEEN FIVE TOTWELVE MILES


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IF WE CAN ALL CONTRIBUTE OURKINETIC ENERGY TO GENERATETHE POWER WE CONSUME,WHYNOT???


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ABSTRACT

POWER WALK is a energy harvestingmechanism which utilizes human kineticenergy and other vibrations to create

electrical energy Developing floor solutions that generate

electricity from pedestrian and vehicular

traffic. The basic principle used here ispiezoelectric effect.


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How does POWERwalks flooring work?

This innovative energy generating equipment employs

piezoelectric technology to convert the kinetic energy from

foot traffic and other vibrations into electric energy. Thisproprietary circuitry design maximizes the electronic signal

and distributes electricity to its intended application or

battery storage system. A rugged flooring product is

custom designed around the electronics to protect thesensitive components inside.


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What is Piezoelectricity?

Piezoelectricity is a naturally occurring phenomenon

exhibited by certain materials that will deform when

subjected to an electric current. POWER walk makes useof this unique material property in the opposite way. When

a force is applied to these materials, their atomic structure

shifts and an electric gradient is created which generates a

voltage across the material. When the piezoelectric

material is integrated into a circuit, this voltage will create aDC current.


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PIEZOELECTRIC MATERIALS

When a mechanical stress was

applied on crystals such as

tourmaline, topaz, quartz, and

Rochelle salt, electrical

charges appeared, and thisvoltage was proportional to the

stress.


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PIEZOELECTRIC EFFECT


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PROBLEM

Lack of power generation sources that are

suited for urban environments

Today's renewable energy sources suchas wind, solar or hydroelectric are not

designed to function well in urban

environments where there is limited space,

high population density and lack ofsunlight due to tall structures


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TODAY A CITYS ELECTRICITY HAS TO BE CARRIED

OVER MILES AND MILES OF POWER LINES TO GET

TO WHERE IT WILL BE EVENTUALLY USED,BY PLACING PIEZO ELECTRIC PADS IN HEAVY FOOT

TRAFFIC PLACES ENERGY CAN BE HARVESTED

RIGHT WHERE IT IS USED.


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PROPOSED SOLUTIONS

The goal of the project is to solve the problem

of wasted human kinetic energy.

The solution is a flooring system that converts

human foot traffic into electricity through theuse of piezoelectric technology.

This electricity was then used to light up the

floor tiles of the system to provide feedback tousers that their footsteps alone could light up

the tiles.


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BLOCK DIAGRAM


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What problems does POWER walk solve today?

The problem POWER walk is addressing is a lack of power

generation sources that are suited for urban environments.POWER walk's solution is designed to meet the energy

needs of an urban setting.

It can be seamlessly integrated into existing buildings,

requires no new infrastructure and performs better in areaswhere there are more people.


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ADVANTAGES

Safe clean and renewable supplemental

source of power

The safety risks associated with thisdesign proposal are minute

The piezo devices, due to their small thin

shape, could also be placed underneath

existing floor tiles or carpet with few

complications


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TECHNICAL SPECIFICATIONS

We are intending to incorporate 3 tiles ofdimensions 12 x 12

An average person, weighing 60 kg, will

generate 0.1 watt in the single second requiredto take two steps across the tile

But when they are covering a large area of floorspace and thousands of people are stepping or

on them, then we can generate significantamounts of power.


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Components list:

1. Piezofilm sensors 250 X 20 = 5000

2. Premium amplifier 350 X 10 = 3500

3. Microcontroller AVR 400 X 01 = 400

4. ADC 12 bit 40w circuit 250 X 02 = 500

5. LCD 100 X 01 = 100

6. Comparator 50 X 02 = 100

7. Boost converter 800 X 03 =2400

8. Mosfet or IGBT 1500 X 02= 30009. Storage system 1000 X 02 =2000

10.wiring &discrete Components =2000

ESTIMATED TOTAL COST RS 19,000


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CONCLUSIONS

In this era of increasing energy costs and

decreasing supplies of fossil fuels,

emphasis on protecting the environment

and creating sustainable forms of power

has become vital

Harvesting power using power walk

flooring design will help us achieve thisgoal


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