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[1]
Low voltage power supply using piezoelectric effect
Chinmoy Prasad Roll # EI200117318
TE
CH
NIC
AL
S
EM
INA
R
Under the Guidance of
Mr. R.K.Dash
By
Chinmoy Prasad Roll # EI200117318
Low Voltage Power Supply Using Piezo Electric Effect
[2]
Low voltage power supply using piezoelectric effect
Chinmoy Prasad Roll # EI200117318
TE
CH
NIC
AL
S
EM
INA
R
INTRODUCTION
• Electronics devices are termed as wearable instead of portable
• Power consumption of the devices limits• Size
• Weight
• Autonomous lifetime
[3]
Low voltage power supply using piezoelectric effect
Chinmoy Prasad Roll # EI200117318
TE
CH
NIC
AL
S
EM
INA
R
Wearable Devices Functions & Its Power Consumption
• Programmable Microprocessor
• Bluetooth System
• MP3 player
• Personal assistant/organizer
• Advanced GSM terminal
[4]
Low voltage power supply using piezoelectric effect
Chinmoy Prasad Roll # EI200117318
TE
CH
NIC
AL
S
EM
INA
R
Evolution of Power Consumption
[5]
Low voltage power supply using piezoelectric effect
Chinmoy Prasad Roll # EI200117318
TE
CH
NIC
AL
S
EM
INA
R
SOURCES OF MECHANICAL ENERGY IN THE HUMAN BODY
• Breath • Exhalation
• Chest expansion
• Upper Limbs Motion • Finger motion
• Walking
[6]
Low voltage power supply using piezoelectric effect
Chinmoy Prasad Roll # EI200117318
TE
CH
NIC
AL
S
EM
INA
R
Piezoelectric materials
• common industrial piezoelectric materials:
• Polyvinylidene fluoride (PVDF)
• Lead zirconate titanate (PZT).
[7]
Low voltage power supply using piezoelectric effect
Chinmoy Prasad Roll # EI200117318
TE
CH
NIC
AL
S
EM
INA
R
Piezoelectric shoe inserts &metal spring with coupled generator
[8]
Low voltage power supply using piezoelectric effect
Chinmoy Prasad Roll # EI200117318
TE
CH
NIC
AL
S
EM
INA
R
FEASIBILITY OF HUMAN POWERED WERABLE DEVICES
[9]
Low voltage power supply using piezoelectric effect
Chinmoy Prasad Roll # EI200117318
TE
CH
NIC
AL
S
EM
INA
R
CONCLUSION
• Energy harvesting from human body
• Low voltage power supply to wearable units by piezoelectric material for computing, communication and audio functions
[10]
Low voltage power supply using piezoelectric effect
Chinmoy Prasad Roll # EI200117318
TE
CH
NIC
AL
S
EM
INA
R
THANK YOU
