Projet Presentation
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Transcript of Projet Presentation
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PIEZOELECTRIC ENERGY HARVESTING ANDREMOTE HEALTH MONITORING
Presented by
AMIT KUMARSUMAN MONDAL
SUPRAMITA GHORAIUTTAM KUMAR SAHU
Under the supervision of
Mr. BISWAJIT MAHANTY (Asst. Prof. & H.O.D, Dept. of E.C.E &
AEIE)Saroj Mohan Institute Of Technology
Guptipara, Hooghly
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INTRODUCTION
This project evolves on the two aspects of use of piezoelectricity Green energy with the help of nanogenerators As a sensor for the development of a
Vibration Detector and Bluetooth Heart Rate Monitor for Structural Health Monitoring (SHM)
Image Source: Google
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‘Piezo’= PressurePressure creates electricity
Piezoelectricity
What is PIEZO!!!?
CONTD.
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Piezoelectricity
How is the electricity produced by stress?
CONTD.
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Piezoelectric Effect
Piezoelectricity
Piezo
Applied StressCreate Voltage
Animation Source: Wikipedia
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NATURAL SYNTHETIC
Quartz Lead Zirconate Taitanate (PZT)
Rochelle Salt Zinc Oxide (ZnO)
Topaz Barium Titanate (BaTiO3)
Sucrose Gallium Orthophosphate (GaPO4)
Tendon Potassium Niobate (KNbO3)
Silk Lead Titanate (PbTiO3)
Enamel Lithium Tantalate (LiTaO3)
Dentin Langasite (La3Ga3SiO14)
DNA Sodium Tungstate (Na2WO3)
MATERIALS
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Nanogenerator
Fig. (a) Nanogenerator Circuit Fig. (b) Digital Picture
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Piezoelectric Energy Harvesting From Microfibres
Fig. (a) COMSOL Model of PZT and PVDF Microfibre
CONTD.
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Fig. (a) 3D Plot of Electric Potential for the PZT Microfibre
Fig. (b) 3D Plot of Electric Potential for the PVDF Microfibre
Piezoelectric Energy Harvesting From Microfibres
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Piezo as Vibration Detector
Fig. (a) Interfacing of the piezo sensor with the Arduino
CONTD.
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Piezo as Vibration Detector
Fig. (a) Schematic Fig. (b) Digital Picture
COMPUTER INTERFACING
CONTD.
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a) Ceramic Disc Sensor Piezoelectric response on repeated tapping by hand
b) Polymer P(VDF-HFP) Piezoelectric response on repeated tapping by hand
Piezo as Vibration DetectorOutput Graphs
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Real World Examples
Energy harvesting Home Security system
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Pulse Monitoring Via Bluetooth
SHM (Structural Health Monitoring)
Bluetooth Pairing With
Mobile
Fig. (a) Schematic Fig. (b) Digital PictureCONTD.
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Normal condition(74 peaks/min)
After 3 minutes of Jogging(94 peaks/min) CONTD.
SHM (Structural Health Monitoring) Output at the Computer Via Serial Monitor Interface of Arduino
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Pulse rate in Doctor’s smart phone
Fig. (a) As Data Value in Blue Term app
Pulse Monitoring Via Bluetooth
Fig. (b) As graphical plotting in Arduino Centrale
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Future Prospects
Figure 1 - Brazil Stadium of Piezoelctric Tiles
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Thank youAny Queries?
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ARDUINO
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Program for Vibration Detector
void setup() { // initialize serial communication at 9600 bits per second: Serial.begin(9600);}
// the loop routine runs over and over again forever:void loop() { // read the input on analog pin 0: int sensorValue = analogRead(A0); // print out the value you read: Serial.println(sensorValue); delay(10); // delay in between reads for stability}
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Program for Bluetooth Heart Rate Monitor
int count=0;unsigned long standard=60000;void setup() { Serial.begin(9600); // initializationSerial.println("Press 1 to receive data or 0 to STOP...");}void loop() {while (standard-millis()>0){ if(analogRead(A0)>50) { count=count+1; while(analogRead(A0)>7) {} }}
CONTD.
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if (Serial.available() > 0) { // if the data cameincomingByte = Serial.read(); // read byteif(incomingByte == '0') { Serial.println("Transmission Stopped. Press 1 to RECIEVE!"); // print message }if(incomingByte == '1') { Serial.println("Pulse rate is:"); Serial.println(count); } } }
Program for Bluetooth Heart Rate Monitor