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INTELLIGENT SENSOR NETWORKS FOR EXTREME ENVIRONMENTS NASA Fellowship/EE 396 Spring 2006
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TEAM Faye Yuen Faye Yuen Hardware, Power supply, Website, Research Hardware, Power supply, Website, Research Mary Liang Mary Liang Circuit design, Bookkeeping, Research Circuit design, Bookkeeping, Research Joshua Irvine Joshua Irvine Biosensors, Research Biosensors, Research Tiffany Iiga Tiffany Iiga Networking/Communications, Research Networking/Communications, Research
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PROJECT OVERVIEW Create a network of autonomous motes capable of detecting life in extreme environments that analog Mars 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) 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 Contribute to Dr. Chris McKay’s research to find life in extreme environments Meet the goals of NASA Meet the goals of NASA
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OVERALL BLOCK DIAGRAM Power Supply Microprocessor (chip) CameraRF Flash Protective Casing
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Golem Circuit Design
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CHEMICAL SENSOR MODULE (include drawings, schematics, details, descriptions)
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BIOSENSOR Chemicals to detect macromolecules Chemicals to detect macromolecules Fluorescent colors indicate different molecules Fluorescent colors indicate different molecules
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Pyruvate Pyruvate Purine and Primidine monolayers Purine and Primidine monolayers Glycine Glycine Hydrogen Bonding Hydrogen Bonding Possible Bio-signs NH 2 CH 2 OH+ + HCCOOH NH 2 CH 2 COOH+ + H 2 O Source: ( G Horneck et al, 2004)
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COTS Dust Sensors/Smart Dust Source: (Hollar, 1996) Source: (Steel, 2005)
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Circuit Diagram of a Light Sensor Source: (Hollar, 1996)
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Circuit Diagram Pressure Sensor Source: (Hollar, 1996)
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RF Mote with Multiple Sensors Source: (Hollar, 1996)
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POTENTIAL PROBLEMS Determining what we are sensing and what biosensors to use Determining what we are sensing and what biosensors to use Time / Keeping on schedule Time / Keeping on schedule Buying supplies Buying supplies Interfacing sensors with motes (i.e. ensuring compatibility) Interfacing sensors with motes (i.e. ensuring compatibility) Problems in design/Debugging Problems in design/Debugging Getting reply from companies and professors Getting reply from companies and professors
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TIMELINE FOR COMPLETION Completed Tasks Completed Tasks Met with Edo Biagioni, PODS researcher Met with Edo Biagioni, PODS researcher Met with Daniel Jenkins, BE Professor Met with Daniel Jenkins, BE Professor Met with Vicky Hamilton, “Mars Expert” Met with Vicky Hamilton, “Mars Expert” Been in contact with Chris McKay and his colleague, Dale Anderson Been in contact with Chris McKay and his colleague, Dale Anderson Budget estimate for motes/Researching companies Budget estimate for motes/Researching companies Casing test criteria Casing test criteria
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Tasks Underway Tasks Underway Complete schematic designs Complete schematic designs Purchase materials needed to build motes Purchase materials needed to build motes Understand how sensors and network works Understand how sensors and network works Consider deployment arrangements (ex. spring-loaded antenna and sensor) Consider deployment arrangements (ex. spring-loaded antenna and sensor) Power supply (possibly using batteries and solar panels) Power supply (possibly using batteries and solar panels) Finish all research Finish all research Possible completion before April 1, 2006 Possible completion before April 1, 2006 Finding bio-signs and how to detect it Finding bio-signs and how to detect it
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Tasks Pending Tasks Pending Apply for funding for the summer semester Apply for funding for the summer semester Documentation Documentation Finding the perfect way to deploy chemicals Finding the perfect way to deploy chemicals Waiting for funding from the Astrobiology Department Waiting for funding from the Astrobiology Department Getting replies from Professors and Companies Getting replies from Professors and Companies
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GANTT CHART
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QUESTIONS?
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