88994232 Footstep Electricity Ppt
Transcript of 88994232 Footstep Electricity Ppt
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ELECTRICAL POWER
GENERATION USING FOOTSTEP
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FOOTSTEP
PRESENTED BY,ASHA AS-7,EEE
REG:-11021339
GUIDED BY,RAKHI GOPINATH
ASSISTANT PROFESSOREEE DEPARTMENT
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OBJECTIVES
To demonstrate a technology thatharness energy from human footstep.
To analyze different methods that can beused to convert footstep energy toelectricity.
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CONTENT
Introduction
Methods of footstep electricity generation
Block diagram
Applications
Conclusion
Bibliography
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INTRODUCTION
The world is running on electricity
The need of power is increasing day by day.
Non-conventional energy is very essential atthis time to our nation.
Walking is the most common activity in day to
day life. This energy can be tapped and converted in the
usable form such as in electrical form.
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METHODS OF GENERATION
Footstep Electric ConverterDevice (FSEC)
Using PAVEGENFootwear embedded harvesters
Using piezoelectric method
Using gear arrangement
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FOOTSTEP ELECTRIC
CONVERTER DEVICE (FSEC) This device, if embedded in the footpath, can
convert foot impact energy into electrical form.
The downward movement of the plate results inrotation of the shaft of an electrical alternator,fitted in the device, to produce electrical energy
The generated energy can be stored in a lead acid
battery.
The electricity generated from these devices can beused for street lights.
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Fig. 1
FSEC
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Fig. 2: Operation of Foot Step Electric Converter
(b) Before applying weight (No light)
(a) After applying weight (Bulb lights up)
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Energy storage
The power generated by the foot step generator can be storedin an energy storing device.
The output of the generator was fed to a 12 V lead acid battery,
through an ac-dc converter bridge.
Initially, the battery was completely discharged. Then, theFSEC was operated by applying foot load and energy wasstored in the battery.
Commonly used is lead acid battery.
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Fig. 4: Storing Device for Foot Step Electric Energy
(a) Bulb on (after charging battery)
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(b) Bulb off (before charging battery)
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Fig. 6.: Multi Unit FSEC Platform
The platform in Fig.6 is provided castor wheels,
and can be placed at any public place where there is
continuous movement of people.
This unit is designed for persons weighing 50 Kg
and above.
The unit is fitted with two 12 V, 26 Amp lead acid
batteries for storing the output energy from this unit.
Also, an inverter is provided to convert 12 V DC
from battery to 230 V AC supply for general use.
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Experiment
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When a person walks over to the platform, the reading on the
energy meter was observed to be incremented by 3-5 J per step,
depending on the weight of the person.
As millions of people are on the move in cities, significant amount
of electricity can be generated by installing these devices at places
where the public walk through.
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Observations inferred from the above
experiment
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FOOTSTEP ELECTRICITYGENERATION USING PAVEGEN
Paving slabs that convert energy from people's footsteps into electricity
The recycled rubber "Pavement" paving slabs harvest kinetic energy from the impact of
people stepping on them and instantly deliver tiny bursts of electricity to nearby appliances.
The slabs can also store energy for up to three days in an on battery, according to itscreator.
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A VIRTUAL DEMO OF PAVEGEN
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FOOTWEAR EMBEDDED
HARVESTERS.
This works as follows: droplets of liquidare placed between electrodes coated indielectric film.
Both droplets and electrodes areconnected to an external electricalcircuit.
A tube of a millimeter wide and fourmillimeters long would contain theelectrodes and droplets. In total thedevice would take up 40cm2 which can
be incorporated in the sole of the shoe. Each foot would generate up to 10W,
which is enough to charge a phone or alaptop.
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Power generating shoe
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USING PIEZOELECTRICMETHOD
Piezoelectric Effect
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Block diagram of footstep electricitygeneration using piezoelectric method
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ELECTRICAL POWER GENERATION USINGFOOTSTEP 18
Advantages Reliable, Economical, Eco-friendly
Compact
Highly sensitive
No moving parts long service life
Disadvantages Output is very small
Number of crystals should be high to get
sufficient output. The crystals have to be replaced after 5
years
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USING GEAR ARRANGEMENT
Rack and pinionarrangement
Chain sprocket
Flywheel
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Schematic representation of footstepelectricity generation using gear arrangement
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APPLICATIONS
Key applications include :-
powering street lighting,
Displays
Speakers and alarms.
Charging batteries
Signage and advertisements.
In railway station
In bus station.
In Airports
Electric escalators
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CONCLUSION
This paper presents an adaptive approach to harvesting electrical energy
from footsteps.
Different methodologies for generation of electricity by walking is
reviewed and analyzed.
Very much relevant and important for highly populated countries like
India and China.
. video.mp4
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http://localhost/var/www/apps/conversion/tmp/scratch_1/video.mp4http://localhost/var/www/apps/conversion/tmp/scratch_1/video.mp4 -
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BIBLIOGRAPHY
www.ieee.org
www.wikipedia.com
http://www.livescience.com/4572-crowd-farm-converts-
footsteps-electricity.html
www.barc.gov.in
web.mit.edu/newsoffice/2007/crowdfarm
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http://www.ieee.org/http://www.wikipedia.com/http://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.barc.gov.in/http://www.barc.gov.in/http://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.livescience.com/4572-crowd-farm-converts-footsteps-electricity.htmlhttp://www.wikipedia.com/http://www.ieee.org/ -
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hank you
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ELECTRICAL POWER GENERATION USING
QUESTIONS ???