Alex Haw Lecture - 081026 - Surveillance Symposium London - Surveying Surveillance - 200
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Transcript of Alex Haw Lecture - 081026 - Surveillance Symposium London - Surveying Surveillance - 200
Surveying Surveillance
@
This is Not a Gateway
alex haw : atmos
26 . 10 . 08
COTS Dust
GOALS:
• Create a network of sensors
• Explore system design issues
• Provide a platform to test Dust
components
• Use off the shelf components
COTS Dust - RF Motes – Atmel Microprocessor
– RF Monolithics transceiver
• 916MHz, ~20m range, 4800 bps
– 1 week fully active, 2 yr @1%
N
S
E W 2 Axis Magnetic
Sensor
2 Axis Accelerometer
Light Intensity
Sensor
Humidity Sensor
Pressure Sensor
Temperature Sensor
COTS Dust - Optical Motes
Laser mote
• 650nm laser pointer
• 2 day life full duty
CCR mote
• 4 corner cubes
• 40% hemisphere
1 Mbps CMOS imaging receiver
10cm
200m
Field of Viewof Single Pixel
5mm
2 km
CollectionLens
OpticalFilter
64x64CMOSImager
10mW, 1mrad
Photosensor
Signal ProcessingA/D Conversion
SIPO ShiftRegister
CRC CheckLocal Bus Driver
Off ChipBus Driver
Pixel Array
Micro Mote - First Attempt
2D beam scanning
laser
lens
CMOS ASIC
Steering Mirror
AR coated dome
Dust Delivery
• Floaters
• Autorotators
– solar cells
• Rockets
– thermopiles
• MAVs
LO
AD
MO
TE