powering science at high latitudes - polarpower.orgpolarpower.org/ptc/2016_pdf/ptc2016_bayou.pdf ·...
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Polar Technology Conference 2016 – Denver, CO
Powering Science at
High Latitudes
Nicolas Bayou – UNAVCO Polar Services
Outline
• UNAVCO at a glance
• UNAVCO Polar Services• POLENET• Power & Communication Systems• New Systems
UNAVCO at a glance
• 30 years serving the science community
• Non-profit university-governed consortium, facilitating geoscience research
and education using geodesy. Government funded (NSF, NASA).
• Headquartered in Boulder, CO
• Offices in Anchorage, AK, San Clemente, CA & Portland, OR
UNAVCO at a glance
We offer:
•Operation & Support of Geodetic
Networks
• Campaign GPS
• Technical Support • Terrestrial LiDAR
• Free and Open Data Archive • Software development for accessing
and processing data• Training
UNAVCO Polar Services
• 7 Professional staff dedicated to supporting polar research projects
• Precision Geodesy & 3D Mapping with Terrestrial LiDAR
• Customized solution for powering scientific instruments at high latitudes
GPS Sites Network & Management
• POLENET: GPS Stations Network
Antarctica – 55 Stations Greenland – 42 Stations
GPS Sites Network & Management
Overall Data Return (Feb. 2016):
ANET: 88.5%
GNET: 89.2%
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Antarctica
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Greenland
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w/Coms No Coms
Power & Communication Systems
• Power Systems: Powering a wide variety of scientific instruments
Margin Rock System
Bear Peninsula
(BERP)
Plateau Snow System
Recovery Lakes
(REC1)
West Antarctic System
Kohler Glacier
(KHLR)
Power & Communication Systems
• Remote Polar GPS Stations: PAST design
Power & Communication Systems
• Remote Polar GPS Stations: PRESENT design
Power & Communication Systems
• Power Systems
Power Components:Wind Turbine
80W Solar Panels
Batteries Racks (100Ah)
Instrumentation:Weather Station
GPS Antenna
GPS Receiver
Data logger
Structural Frame:Wind proof
Wildlife proof
Communications:Iridium
Power & Communication Systems
• Power Supply & Communication Board
Solar Charge Controller
w/LVD Circuit
Wind Charge Controller
Breakers1 per Battery Bank (4)
1 for Wind Turbines
1 for Solar Panels
1 for the Load
Power ConnectorsDiode protectedUp to 2 Wind Turbines
Up to 4 Solar Panels
Load ConnectorLVD Protected
Heat Pad Connector
Power & Communication Systems
• Power Supply & Communication Board
Xeos Xi100b Modem
(RUDICS)
Timers
Iridium 9522B
Modem
Comms Configurations:Single Modem (Xi100 or 9522B)
2 Iridium 9522B Modems
Xi100b + Iridium 9522B
Radio Link (Intuicom/Freewave)
RF and Static Protection:
Iridium RF Surge Suppressor
GPS Antenna Surge Protector
Grounding plates
Anti Static Bag
Power & Communication Systems
• Communication Devices
Iridium 9522B Xeos Xi 100B Intuicom EB-6 Radio
IRIDIUM Satellites Constellation RADIO Link
Serial Connection LAN Connection LAN Connection
Point to Point Protocol RUDICS -
1 W for 1Mb data download per day <1 W for 1Mb data download per day <1 W for 1Mb data download per day
Current Development Projects
• Data Download Communications Hub
Used for data at risk of loss, challenging terrain, small networks
Pilot project on Helheim Glacier, Greenland for Dr. David Holland (NUY)
1 Data Download Hub
7 autonomous GPS sites on the glacier
Radio Link to retrieve data
Summer only.
Current Development Projects
• Data Download Communications Hub
Test Button• Test connectivity
• Retrieves State of Health
Display
Weather Proof
Case
Current Development Projects
• Data Download Communications Hub
Removable
Storage (USB)
Ethernet PortPower Port (12VDC)
Raspberry Pi• PiHat
• 12VDC to 5VDC
Current Development Projects
• Data Download Communications Hub
Radio Antennas
Download HubOn Bed Rock
Autonomous GPS StationDeployed on Glacier
Current Development Projects
• Data Download Communications
Hub
Pilot project for Dr. David Holland
Only 1 GPS deployed...
30 sec and 1Hz Sample Rate GPS
data
Current Development Projects
• 24V/High Power System
Pilot Project for Dr. David Holland (NYU)
Powering Ground Based Radar Interferometer
& Data Storage
Dual 24/12VDC
High Power (160W)
Wind & Solar
Summer Only (Greenland)
Windregulator
Solar Panels
Wind turbine divert load (heat pads)
Forgen wind turbines, 3-phase, with DC rectifier box at turbine body
Solarregulator
LVD circuit (inside solar regulator)
12V12V
12V12V
+24V
Infrastructure GNSS Receiver
• Septentrio PolaRx5
Full GNSS
WiFi Connectivity
Handles External USB Drives
Full Control
3.5W (Full GNSS w/o USB external
drive)
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Polar GPS Receiver
• Polar GPS Receiver RFQ
Low power focus (2W) and integrated coms
Under Review
Thank You!
Questions?
Contact Us / Useful Links
UNAVCO Support: [email protected]
Joseph Pettit, Polar Group Manager: [email protected]
Nicolas Bayou, Engineering: [email protected]
UNAVCO Polar Group: www.unavco.org/polar