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INTELLIGENT SENSOR NETWORKS FOR EXTREME ENVIRONMENTS

Develop autonomous motes to detect life in extreme environments akin to Mars, aiding space exploration and origin research.

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INTELLIGENT SENSOR NETWORKS FOR EXTREME ENVIRONMENTS

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  1. INTELLIGENT SENSOR NETWORKS FOR EXTREME ENVIRONMENTS NASA Fellowship/EE 396 Spring 2006

  2. TEAM • Faye Yuen • Hardware, Power supply, Website, Research • Mary Liang • Circuit design, Bookkeeping, Research • Joshua Irvine • Biosensors, Research • Tiffany Iiga • Networking/Communications, Research

  3. PROJECT OVERVIEW • Create a network of autonomous motes capable of detecting life in extreme environments that analog Mars • Understand our own origins and evolution, future prospects in space travel (i.e. if habitable environments are found) • Contribute to Dr. Chris McKay’s research to find life in extreme environments • Meet the goals of NASA

  4. OVERALL BLOCK DIAGRAM Protective Casing Camera Microprocessor (chip) RF Flash Power Supply

  5. Golem Circuit Design

  6. CHEMICAL SENSOR MODULE (include drawings, schematics, details, descriptions)

  7. BIOSENSOR • Chemicals to detect macromolecules • Fluorescent colors indicate different molecules

  8. Possible Bio-signs • Pyruvate • Purine and Primidine monolayers • Glycine • Hydrogen Bonding NH2CH2OH+ + HCCOOH à NH2CH2COOH+ + H2O Source: (G Horneck et al, 2004)

  9. COTS Dust Sensors/Smart Dust Source: (Steel, 2005) Source: (Hollar, 1996)

  10. Circuit Diagram of a Light Sensor Source: (Hollar, 1996)

  11. Circuit Diagram Pressure Sensor Source: (Hollar, 1996)

  12. RF Mote with Multiple Sensors Source: (Hollar, 1996)

  13. POTENTIAL PROBLEMS • Determining what we are sensing and what biosensors to use • Time / Keeping on schedule • Buying supplies • Interfacing sensors with motes (i.e. ensuring compatibility) • Problems in design/Debugging • Getting reply from companies and professors

  14. TIMELINE FOR COMPLETION • Completed Tasks • Met with Edo Biagioni, PODS researcher • Met with Daniel Jenkins, BE Professor • Met with Vicky Hamilton, “Mars Expert” • Been in contact with Chris McKay and his colleague, Dale Anderson • Budget estimate for motes/Researching companies • Casing test criteria

  15. Tasks Underway • Complete schematic designs • Purchase materials needed to build motes • Understand how sensors and network works • Consider deployment arrangements (ex. spring-loaded antenna and sensor) • Power supply (possibly using batteries and solar panels) • Finish all research • Possible completion before April 1, 2006 • Finding bio-signs and how to detect it

  16. Tasks Pending • Apply for funding for the summer semester • Documentation • Finding the perfect way to deploy chemicals • Waiting for funding from the Astrobiology Department • Getting replies from Professors and Companies

  17. GANTT CHART

  18. QUESTIONS?

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