ENERGY HARVESTING(EH) TECHNOLOGY AND DEVICES
Jong-Ik.Oh
Senior RF Application Engineer
Teradyne GSO
Teradyne Confidential
2016 테스트 기술 위크샵
INTRODUCTION
ENERGY IS ALL AROUND US
TYPES OF ENERGY
ENERGY COMPARISON
POWER AVAILABLE FROM ENERGY SOURCE
COMMON SOURCES – FREE ENERGY
Mechanical Energyvibration, mechanical stress and strain
Thermal Energywaste energy from furnaces, heaters, and friction sources
Light Energy, solar energy(sun)Sunlight, room light via photo sensors, photo diodes, or solar panels
Electromagnetic Energyfrom inductors, coils and transformers
Natural Energy wind, water flow, ocean currents, and solar
Human Bodymechanical and thermal energy naturally generated from bio-organisms, walking and sitting
Other Energychemical and biological sources
WHY ENERGY HARVESTING IS NECESSARY?
How to operate indefinitely once installed?
“Energy Harvesting”
Hard to reach?
Wired?
� steady power supply� Not really be remote
Battery?eventually need to be recharged or replaced
VALIDITY OF ENERGY HARVESTING
In a time where people are consuming the Earth’s resources at the fastest rate ever, finding alternate power sources is a great way to help create sustainable energy. A sustainable energy solution such as energy harvesting provides an environmentally friendly way to harness natural energy. Energy harvesting provides several benefits and has become a proven solution for the rapidly depleting resources on our planet.
There’s no free lunch in life and circuit design !
Get our free lunch?Get our free lunch?
Energy harvestingEnergy harvesting
There’s no free lunch in life and circuit design !
Get our free lunch?
Energy harvesting
MARKET POTENTIAL
WHAT IS ENERGY HARVESTING?
Collecting energy
Without conscious
Collecting energy
Without conscious human effort
• Without conscious human effort – energy source detected, then harvested…
• Thermal
• Light(solar)
• Wind
• Mechanical
• Without conscious human effort – energy source detected, then harvested…
• Thermal
• Light(solar)
• Wind
• Mechanical
Energy converting Energy converting to electricity
• Sensors
• Control circuitry
• Storage(accumulating energy)
• Sensors
• Control circuitry
• Storage(accumulating energy)
Operating device
• MCU and a sensor start using saved electricity
• Thrifty utilization of a small amounts of harvested energy
• Secured information delivered from the sensor by wireless transceiver to outside
• MCU and a sensor start using saved electricity
• Thrifty utilization of a small amounts of harvested energy
• Secured information delivered from the sensor by wireless transceiver to outside
Energy harvesting(also known as power harvesting or energy scavenging) is the process by which energy is derived from external sources(e.g., solar power, thermal energy, thermal energy, wind energy, salinity gradients, and kinetic energy)
SYSTEM BLOCK
WHEN DOES ENERGY HARVESTING MAKE SENSE?
Energy harvesting can generate only very small amounts of power. • Wearable electronics / fashion technology• Wireless sensor networks• Long term low power sensors• Low power applications that generally extend beyond the capabilities of a typical battery.
One or more of these characteristics
are required for energy harvesting to
make sense
Harvestable energy available
Wiring too expensive
Difficult to power device
High installation cost
Numerous devices
Difficult to reach for maintenance
Environment friendliness required
High uptime demanded
Importance of energy harvesting• Need for endless energy supply to electronic system• To reduce dependency on batteries• Accelerated interest for powering ubiquitously deployed sensor networks and mobile electronic products• To conserve energy consumption and promote environmental friendliness
ENERGY HARVESTING APPLICATION
COMPONENTS OF AN ENERGY HARVESTING SYSTEM
THERMOELECTRIC HARVESTING
Seebeck effect
VIBRATION HARVESTING
VIBRATION HARVESTING
HYBRID(LIGHT + HEAT) HARVESTING
Photovoltaic mode Thermoelectric modeThermoelectric modePhotovoltaic mode Thermoelectric mode
RF ENERGY HARVESTING
WIRELESS AUTONOMOUS SENSOR SYSTEM(WATS)
BATTERY REPLACEMENT
ENERGY HARVESTING POWER RANGE FOR WSN
WIRELESS IDENTIFICATION AND SENSING PLATFORM
SENSOR NODE WITH 2.4GHZ
SENSOR GROWTH IN SMARTPHONES
Galaxy Note5 sensors
WIRELESS SENSORS
ENERGY HARVESTER IN AGRICULTURE
ENERGY HARVESTER IN WEARABLE
IOT (INTERNET OF THINGS)
Data acquisitionThe device or hardware space where data is being collected from various sensors(Aduino, Ninja block)
Data transportTransfer data collected from IoT devices to cloud with a radio transmitter, BLE, Zigbee, cellular, Wi-Fi, or short range
Data analysisInformation that is collected from sensors and devices and transported over the network is being analyzed, interpreted, and acted upon or presented to humans to act upon.
ENERGY HARVESTING’S ROLE IN IOT
Find the Gold in the Sensor DataFind the Gold in the Sensor Data
How to manage numerous remote sensors?
What’s generating data?
CONCLUSION
� Advanced technical developments have increased the efficiency of devices
in capturing energy from the environment and transforming them into
electrical energy.
� Advancements in microprocessor technology have increased power efficiency,
effectively reducing power consumption requirements.
� Energy harvesting from a natural source where a remote application is deployed,
and where such natural energy source is essentially inexhaustible, is an
increasingly attractive alternative to inconvenient wall plugs and costly batteries.
� This essentially free energy source, when designed and installed properly,
is available maintenance-free and is now available throughout the lifetime of the
application. Such systems can be more reliable than wall plugs or batteries.
� Energy harvesting can be used as an alternative energy source to supplement
a primary power source and to enhance the reliability of the overall system and
prevent power interruptions.
THANKS
QUESTIONS?