K. Pister, J. Kahn, B. Boser (UCB) S. Morris (MLB) DARPA MTO MEMS SMART DUST K. Pister, J. Kahn, B. Boser (UCB) S. Morris (MLB)
Goals Autonomous sensor node (mote) in 1 mm3 MAV delivery Thousands of motes Many interrogators Demonstrate useful/complex integration in 1 mm3
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 CCR mote 4 corner cubes 40% hemisphere Laser mote 650nm laser pointer 2 day life full duty
Video Semaphore Decoding Diverged beam @ 5.2 km In shadow in evening sun Diverged beam @ 300m Shadow or full sunlight
’01 Goal
Micro Mote - First Attempt
2D beam scanning laser lens CMOS ASIC Steering Mirror AR coated dome
Delivery by MAV Built by Steve Morris, MLB Co. 60 mph 18 minutes 1 mile comm.
Micro Flying Insect ONR MURI/ DARPA funded year 1 of 5 year project Dickinson, Fearing (PI), Liepmann, Majumdar, Pister, Sands, Sastry Heavily leveraged on Smart Dust
Conclusion Wireless sensor networks Optical comm Applications COTS! MEMS-enabled Optical comm 20 km from a cubic inch size limits: ~1mm3 Applications stockpile monitoring: from small arms to W88 transparent battlefield: from desert to MOUT chem/bio virtual keyboard