V.Pavan kumar * et al. /International Journal of Pharmacy & Technology
ISSN: 0975-766X
CODEN: IJPTFI
Research Article
Available Online through
www.ijptonline.com
GENERATIONOFELECTRICITYUSINGPIEZOELECTRIC SPEED BREAKERS
[1]
[2]
V.Pavan kumar , S. Giridharan
U-G Student, Department of Electronics and Communication Engineering, Saveetha School of Engineering
[1]
Saveetha University, Chennai .
Assistant Professor, Department of Electronics and Communication Engineering, Saveetha School of Engineering,
[2]
Saveetha University, Chennai .
Email: [email protected]
Received on: 10.08.2016
Accepted on: 06.09.2016
Abstract:
Man has required and utilized vitality at an expanding rate for the sustenance and thriving since time immemorial.
As a result of this a huge amount of essentialness resources have been exhausted and misused. Proposition for the
use of waste vitality of weight force with vehicle motion era through pace breakers. The tasks plan to light the road
lights by changing over the steady weight on the rate breakers utilizing piezoelectric transducers. What's more, this
force source has numerous is especially applicable and imperative for exceedingly populated nations like India
where the transportation via area is stuffed everywhere. The venture depends on force Keywords Piezoelectricity;
PZT; PVDF; Electric potential; applications as in home applications and as vitality hotspot for sensors in remote
area[1].
Keywords: Piezoelectricity; PZT; PVDF; Electric potential;
I. Introduction
At present, Electricity is an essential requirement for everybody. Its interest is expanding step by step. Cutting edge
innovation needs a colossal measure of electrical force for its different operations. Bethatasit may, power achieves
just 65% of the whole populace and rest 35% still lives in dimness in India. That 65% populace likewise doesn't get
persistent force supply despite everything we confront power cuts and Crisis. To fulfill every one of the
requirements we have to create 81, 08, 76, 150 MW.hr/year. While the
generation
is
just
60, 06, 49, 000
MW.hr/year.
So we require 210,227,150 MW.hr/year, to achieve the interest. We have to think about a contrasting option to sun
powered, wind, tidal and so on. Every one of these years we have disregarded a superior option which is directly
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under our feet that is Piezo electricity. This innovation depends on a rule called the piezoelectric impact, in which
certain materials can develop an electrical charge from having weight and strain connected to them. Piezoelectricity
refers to the ability of some materials to generate an electric potential in response to applied pressure. We are going
to harvest this energy. Piezoelectric material can provide the magic of converting pressure exerted by the moving
people into electric current [2].settle this emergency. In a seconds there are numerous options like Who discovered
piezoelectricity?. Thepiezoelectricimpactwasfoundin1880 by two French physicists, siblings Pierreand Paul-Jacques
Curie, in precious stones of quartz, tourmaline, and Rochelle salt (potassium sodium tartrate). They took the name
from the Greek work piezein, which signifies "to press."
II. Elaboration of Research
A) Block diagram for Piezosensor
Fig: 1 Block diagram for piezo electric sensor.
B) Circuit Diagram For Piezoelectric Sensors
Figure2. Circuit diagram for piezo electric sensor.
C) Principle of Piezo Electric Material
The way a piezo electric material is cut produces three main operational modes:
a) Transverse
b) Longitudinal
c) Shear effect
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(a)Transverse effect
A power connected along an impartial hub(y) creates charges along the (x) direction, perpendicular to the line of
power. The measure of charge() relies on upon the geometrical measurements of the particular piezo electric
component. At the point when measurements apply, where is the measurement in accordance with the impartial
pivot, is in accordance with the charge producing huband is the relating piezoelectric coefficient.
(b) Longitudinal effect
The measure of charge delivered is entirely relative to the connected power and free of the piezoelectric component
size and shape. Putting a few components mechanically in arrangement and electrically in parallel is the best way to
build the charge yield. The subsequent chargeis, where is the piezo electric coefficient for acharge in x-heading
discharged by strengths connected along x-course (inpC/N)is the connected Force in x-bearing [N]and compares to
the quantity of stacked components.
(c) Shear effect
The charges created are entirely corresponding to the connected strengths and autonomous of the component size
and shape. For components mechanically in arrangement and electrically in parallel the charge is as opposed to the
longitudinal and shear impacts, the transverse impact make it conceivable to tweak affect a bilityon the connected
power and component measurement.
III. Study of piezo materials
We concentrated some examination papers from which we got taking after information to take after:
Ceramics with arbitrarily arranged grains must be ferroelectric to display piezoelectricity.
The plainly visible piezoelectricity is conceivable in finished polycrystalline non–ferroelectric piezoelectric
materials, for example,
AlN
and
ZnO. The piezoelectric impact is regular in piezo pottery like PbTiO3,
PbZrO3, PVDF and PZT. An investigation on the most commonly available
Piezo electric material - PZT and PVDF, to assess the most compatible fabric used to
be finished. The criterion for selection used to be higher output voltage for various pressures applied. In an effort to
appreciate the output comparable to the more than a few forces utilized, the V-I traits of each fabric specifically,
PZT and PVDF were plotted. For this the Piezo transducer fabric below test is placed on a Piezo force sensor.
Voltmeters are connected across each of them for measuring voltages and an ammeter is attached to measure the
present.
As various forces are utilized on the Piezo fabric, different voltage readings comparable to the force is
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displayed. For each such voltage perusing over the power sensor, different voltage and current readings of the Piezo
test material are noted. The voltage from PZT is around 2V where as that of PVDF is around 0.4V We can in this
way infer better yield is gotten from the PZT than the PVDF
IV: Study of Piezo Elctric Sensor:
Assuming three piezo electric sensors in parallel/series
Figure3. V-I Graph of Series & Parallel connections
The output voltage bought from a single piezo electric crystal is in milli volts variety, which is different. And the watt
ageis in micro watt range. So with a view to gain greater voltages, the piezo electric crystals can be arranged in
cascading manner. From an association organization is quality but the current obtained is bad, although the current
from a
parallel association is great yet the voltage is poor. In any case, this issue is corrected in an arrangement
parallel association where a decent voltage and also current can be acquired.
V. Positioning of Piezoelectric Sensors
Piezo electric sensors has to be positioned parts where the maximum pressure is applied. Single sensor is capable of
generating 3-5V on application of pressure consistently, in this work four sensors are connected in parallel in order to
increase the probability of getting maximum output. Piezo polymeric substances are extra high-quality to use than
piezo ceramic substances in case of sensor application, on the grounds that polymeric films can also be easily
fabricated to special shapes. Even then piezo ceramic sensor has been used on this work since its commercially on
hand at low fee [4].
Figure4 Position of Piezoelectric sensor
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Individuals whose weight shifted from40kg to75 kg were made to strollon the piezo tile totest the voltage
producing limitof the Piezo tile. The connection between the heaviness of the individual and force created is
plotted. From the diagram it can be seen that, most extreme voltage is created when greatest weight/power is
connected. Hence, most extreme voltage of 40Vis created over the tile when a weight of 75 Kg is connected on the
tile[5].
Figure 5 Weight Vs Power graph of piezo tile.
VI. Applications:
1) Quality assurance, process control, and for research and development in many industries.
2) They have been successfully used in various applications, such as in medical, aerospace, nuclear instrumentation.
3) In the automotive industry, piezoelectric elements are used to monitor combustion when developing internal
combustion engines.
4) Piezoelectric sensors can also be used to determine aromas in the air by simultaneously measuring resonance
and capacitance
VII. Conclusion:
The piezoelectric precious stone exhibits are laid underneath asphalts, walkways and other high movement regions
like expressways, velocity breakers for most extreme voltage era. The voltage in this manner created from the
cluster can be utilized to charge the chargeable Lithium batteries, capacitors and so on. A piezo tile equipped for
creating 40V has been concocted.
One technique for performing power gathering is to utilize piezoelectric materials that can change over the
encompassing vibration vitality encompassing them into electrical vitality. This electrical vitality can then be
utilized to control different gadgets or put away for later utilize. The Rectifier, DC –DC converter and battery
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charging circuit utilized as a part of the undertaking contains least number of segments and consequently it is
extremely reduced, minimal effort and the future changes can be made without much troublesomely in the
equipment The weight connected on the tile and comparing voltage produced is contemplated and they are found to
have direct connection.
The measure of vitality created relies on upon the quantity of passing vehicles and the quantity of piezoelectric
components. Vehicles that are moving gradually seems to produce somewhat more vitality than quicker – moving
vehicles, however assist exploration is expected to affirm this piezoelectric force era framework works
VIII. Scope of Work:
The storage of energy from piezoelectric transducers can be improvised using mosfet. System can be implemented
in large amounts as an alternative energy sources apart from renewable sources. The proposed work depicts the idea
of Piezoelectric Energy Harvesting and the outcomes acquired after the execution are extremely promising. Future
work of the proposed thought includes further enhancement of the gem yield to a more noteworthy degree. Future
lies in the consideration of cutting edge material used to plan the piezoelectric gem which further intensifies the
precious stone yield as far as voltage and additionally present[6].
Modern and assembling units are the biggest application market, for piezoelectric gadgets, trailed by the car
business. Piezoelectric gadgets inserted in roadways are utilized for power era. In the location and distinguishing
proof of sonar waves likewise piezo electric components find critical application.
IX .References:
1.
Manbachi, A. also, Cob bold R.S.C. "Improvement and Application of Piezoelectric Materials for Ultrasound
Generation and Detection" .Ultrasound.
2.
Anil Kumar "Electrical Power GenerationUsing Peizo electric Crystal", International Journal of Scientific and
Engineering
3.
Stephen R. Platt, Shane Farritor, and Hani Haider "On Low-Frequency Electric Power Generation With PZT
Ceramics",
4.
Power reaping from vibration, Sri. Sengupta A, Solanki SS, Indian diary of building, 3(7), 52-55.
5.
VIDYUT Generation through Walking: Analysis, Monika Jain, Mohit Dev Sharma 2, NitiRana, Nitish Gupta,
International Journal of Engineering Sciences and Research Technology [286-288]
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6.
V.Pavan kumar * et al. /International Journal of Pharmacy & Technology
Eco Security Energy Harvesting through Footsteps Using Piezoelectric Standards ,A. Anamika Bhatia Jain,
Faculty Member, B. Kumar Govind, Student Member, IEEE, C.Nimika Aggarwal, Student Member, D. Vibha
Balodhi, Student Member.
7.
P. Moubarak, et al., A Self-Calibrating Mathematical Model for the Direct Piezoelectric Effect of a New
MEMS Tilt Sensor, IEEE Sensors Journal.
8.
Gautschi, G.. Piezoelectric sensorics. Springer Berlin, Heidelberg, New York. p. 3 – through Google Books.
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