SMART DUST from K. Pister, J. Kahn, B. Boser, and S. Morris Presented for Software Design by Xiaozhou David Zhu June 22, 2001 Kent state University
SMART DUST Goals Autonomous sensor node (mote) in 1 mm 3 MAV delivery Thousands of motes Many interrogators Demonstrate useful/complex integration in 1 mm 3
SMART DUST COTS Dust GOALS: Create a network of sensors Explore system design issues Provide a platform to test Dust components Use off the shelf components
SMART DUST COTS Dust - RF Motes Atmel Microprocessor RF Monolithics transceiver 916MHz, ~20m range, 4800 bps 1 week fully active, 2 N S EW 2 Axis Magnetic Sensor 2 Axis Accelerometer Light Intensity Sensor Humidity Sensor Pressure Sensor Temperature Sensor
SMART DUST COTS Dust - Distributed Algorithms 1”, $100 Sensor nodes are easy algorithms?
SMART DUST COTS Dust - Optical Motes Laser mote 650nm laser pointer 2 day life full duty CCR mote 4 corner cubes 40% hemisphere
SMART DUST CCR Interrogator
SMART DUST Video Semaphore Decoding Diverged 300m Shadow or full sunlight San Francisco (Coit Tower) to Berkeley (Cory Hall)
SMART DUST 1 Mbps CMOS imaging receiver Put an asynchronous receiver at every pixel Funded by DARPA/MTO/STAB 0.25 um CMOS in fab
SMART DUST Micro Mote - First Attempt 300 um
SMART DUST 2D beam scanning laser lens CMOS ASIC Steering Mirror AR coated dome
SMART DUST 6-bit DAC Driving Scanning Mirror Open loop control Insensitive to disturbance Potentially low power
SMART DUST ~8mm 3 laser scanner Two 4-bit mechanical DACs control mirror scan angles. ~6 degrees azimuth, 3 elevation
SMART DUST Power and Energy Sources Solar cells Combustion/Thermopiles Storage Batteries ~1 J/mm 3 Capacitors ~1 mJ/mm 3 Usage Digital control: nJ/instruction Analog circuitry: nJ/sample Communication: nJ/bit
SMART DUST Combustion Solid rocket propellant integrated igniter thermoelectric generator
SMART DUST Dust Delivery Silicon maple seeds Silicon dandelions
SMART DUST MAV Delivery 60 mph 18 min 1 mi comm Built by MLB Co. 6” 8”
SMART DUST 24” Bat 40 mph top speed 30 minute loiter autopilot: pressure sensor, gyros, XLs 2 planes, 1 ground station, in 1 suitcase spyplanes.com
SMART DUST Marine LOE 4 3 MAVs participated, 1 flew 7 sorties on station in minutes
SMART DUST Goal for ‘01
SMART DUST Virtual Keyboard