INTELLIGENT SENSOR INTELLIGENT SENSOR NETWORKS FOR EXTREME NETWORKS FOR EXTREME

ENVIRONMENTSENVIRONMENTS

NASA Fellowship/EE 396NASA Fellowship/EE 396

Spring 2006Spring 2006

TEAMTEAM

Faye YuenFaye YuenHardware, Power supply, Website, ResearchHardware, Power supply, Website, Research

Mary LiangMary LiangCircuit design, Bookkeeping, ResearchCircuit design, Bookkeeping, Research

Joshua IrvineJoshua IrvineBiosensors, ResearchBiosensors, Research

Tiffany IigaTiffany IigaNetworking/Communications, ResearchNetworking/Communications, Research

PROJECT OVERVIEWPROJECT OVERVIEW

Create a network of autonomous motes Create a network of autonomous motes capable of detecting life in extreme capable of detecting life in extreme environments that analog Marsenvironments that analog Mars

Understand our own origins and evolution, Understand our own origins and evolution, future prospects in space travel (i.e. if future prospects in space travel (i.e. if habitable environments are found)habitable environments are found)

Contribute to Dr. Chris McKay’s research Contribute to Dr. Chris McKay’s research to find life in extreme environmentsto find life in extreme environments

Meet the goals of NASAMeet the goals of NASA

OVERALL BLOCK DIAGRAMOVERALL BLOCK DIAGRAM

Power Supply

Microprocessor(chip)

Camera RF

Flash

Protective Casing

Golem Circuit DesignGolem Circuit Design

CHEMICAL SENSOR MODULECHEMICAL SENSOR MODULE

(include drawings, schematics, details, descriptions)

BIOSENSORBIOSENSOR

Chemicals to detect Chemicals to detect macromoleculesmacromolecules

Fluorescent colors Fluorescent colors indicate different indicate different moleculesmolecules

PyruvatePyruvate

Purine and Primidine Purine and Primidine monolayers monolayers

GlycineGlycine

Hydrogen BondingHydrogen Bonding

Possible Bio-signsPossible Bio-signs

NH2CH2OH+ + HCCOOH NH2CH2COOH+ + H2O

Source: (G Horneck et al, 2004)

COTS Dust Sensors/Smart DustCOTS Dust Sensors/Smart Dust

Source: (Hollar, 1996) Source: (Steel, 2005)

Circuit Diagram of a Light Circuit Diagram of a Light SensorSensor

Source: (Hollar, 1996)

Circuit Diagram Pressure Circuit Diagram Pressure SensorSensor

Source: (Hollar, 1996)

RF Mote with Multiple SensorsRF Mote with Multiple Sensors

Source: (Hollar, 1996)

POTENTIAL PROBLEMSPOTENTIAL PROBLEMS

Determining what we are sensing and Determining what we are sensing and what biosensors to usewhat biosensors to use

Time / Keeping on scheduleTime / Keeping on scheduleBuying suppliesBuying supplies Interfacing sensors with motes (i.e. Interfacing sensors with motes (i.e.

ensuring compatibility)ensuring compatibility)Problems in design/DebuggingProblems in design/DebuggingGetting reply from companies and Getting reply from companies and

professorsprofessors

TIMELINE FOR COMPLETIONTIMELINE FOR COMPLETION

Completed TasksCompleted TasksMet with Edo Biagioni, PODS researcherMet with Edo Biagioni, PODS researcherMet with Daniel Jenkins, BE ProfessorMet with Daniel Jenkins, BE ProfessorMet with Vicky Hamilton, “Mars Expert”Met with Vicky Hamilton, “Mars Expert”Been in contact with Chris McKay and his Been in contact with Chris McKay and his

colleague, Dale Andersoncolleague, Dale AndersonBudget estimate for motes/Researching Budget estimate for motes/Researching

companiescompaniesCasing test criteriaCasing test criteria

Tasks UnderwayTasks UnderwayComplete schematic designsComplete schematic designsPurchase materials needed to build motesPurchase materials needed to build motesUnderstand how sensors and network worksUnderstand how sensors and network worksConsider deployment arrangements (ex. Consider deployment arrangements (ex.

spring-loaded antenna and sensor)spring-loaded antenna and sensor)Power supply (possibly using batteries and Power supply (possibly using batteries and

solar panels)solar panels)Finish all researchFinish all researchPossible completion before April 1, 2006Possible completion before April 1, 2006Finding bio-signs and how to detect itFinding bio-signs and how to detect it

Tasks PendingTasks PendingApply for funding for the summer semesterApply for funding for the summer semesterDocumentationDocumentationFinding the perfect way to deploy chemicalsFinding the perfect way to deploy chemicalsWaiting for funding from the Astrobiology Waiting for funding from the Astrobiology

DepartmentDepartmentGetting replies from Professors and Getting replies from Professors and

CompaniesCompanies

GANTT CHARTGANTT CHART

QUESTIONS?QUESTIONS?