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June 22, 2001 Kent state University. SMART DUST. from K. Pister, J. Kahn, B. Boser, and S. Morris Presented for Software Design by Xiaozhou David Zhu. Goals. Autonomous sensor node (mote) in 1 mm 3 MAV delivery Thousands of motes Many interrogators

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smart dust

June 22, 2001

Kent state University

SMART DUST

from

K. Pister, J. Kahn, B. Boser, and S. Morris

Presented for

Software Design

by

Xiaozhou David Zhu

goals
Goals
  • Autonomous sensor node (mote) in 1 mm3
  • MAV delivery
  • Thousands of motes
  • Many interrogators
  • Demonstrate useful/complex integration in 1 mm3
cots 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
cots dust rf motes

N

W

E

S

2 Axis Magnetic Sensor

2 Axis Accelerometer

Light Intensity Sensor

Humidity Sensor

Pressure Sensor

Temperature Sensor

COTS Dust - RF Motes
  • Atmel Microprocessor
  • RF Monolithics transceiver
    • 916MHz, ~20m range, 4800 bps
  • 1 week fully active, 2 yr @1%
cots dust distributed algorithms
COTS Dust - Distributed Algorithms
  • 1”, $100 Sensor nodes are easy
  • algorithms?
cots dust optical motes
COTS Dust - Optical Motes

Laser mote

  • 650nm laser pointer
  • 2 day life full duty

CCR mote

  • 4 corner cubes
  • 40% hemisphere
video semaphore decoding
Video Semaphore Decoding

Diverged beam @ 300m

Shadow or full sunlight

San Francisco (Coit Tower) to

Berkeley (Cory Hall)

1 mbps cmos imaging receiver
1 Mbps CMOS imaging receiver

Put an asynchronous receiver

at every pixel

0.25 um CMOS in fab

Funded by DARPA/MTO/STAB

2d beam scanning

AR coated dome

lens

Steering Mirror

laser

CMOS ASIC

2D beam scanning
6 bit dac driving scanning mirror
6-bit DAC Driving Scanning Mirror
  • Open loop control
  • Insensitive to disturbance
  • Potentially low power
8mm 3 laser scanner
~8mm3 laser scanner

Two 4-bit mechanical DACs control mirror scan angles.

~6 degrees azimuth, 3 elevation

power and energy
Power and Energy
  • Sources
    • Solar cells
    • Combustion/Thermopiles
  • Storage
    • Batteries ~1 J/mm3
    • Capacitors ~1 mJ/mm3
  • Usage
    • Digital control: nJ/instruction
    • Analog circuitry: nJ/sample
    • Communication: nJ/bit
combustion
Combustion
  • Solid rocket propellant
  • integrated igniter
  • thermoelectric generator
dust delivery
Dust Delivery
  • Silicon maple seeds
  • Silicon dandelions
mav delivery
MAV Delivery

Built by MLB Co.

  • 60 mph
  • 18 min
  • 1 mi comm

8”

6”

24 bat
24” Bat

40 mph top speed

30 minute loiter

autopilot: pressure sensor, gyros, XLs

2 planes, 1 ground station, in 1 suitcase

spyplanes.com

marine loe 4
Marine LOE 4

3 MAVs participated, 1 flew

7 sorties

on station in minutes

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