DemoSat IV:

DoOverRoverDoOverRover

Colorado State University

Derek BonnerBen Colvin

Jon CoxKenneth Darbonne

Nick EllisRoss MacGregor

Mike Neuberg

Derek BonnerBen Colvin

Jon CoxKenneth Darbonne

Nick EllisRoss MacGregor

Mike Neuberg

August 9, 2006August 9, 2006

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Mission Statement & Goals:Mission Statement & Goals:

- The DoOverRover is designed to survive the impact and The DoOverRover is designed to survive the impact and upon landing take pictures of the landing site. upon landing take pictures of the landing site.

- Survive flight and detect landingSurvive flight and detect landing

- Deploy and drive around siteDeploy and drive around site

- Take pictures of siteTake pictures of site

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Design: Schedule & BudgetsDesign: Schedule & Budgets

ScheduleSchedule::

Start Date: May 15th, 2006

Number of Students: 7

Mass:Mass:Total: 1187gTotal: 1187gBudget: 1500gBudget: 1500gMargin:Margin: 313g313g

Monetary:Monetary:Total: $225Total: $225Budget: $250Budget: $250Margin:Margin: $25$25

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Design: System OverviewDesign: System Overview CameraCamera

SensorsSensors– PressurePressure

– AccelerometerAccelerometer

PowerPower

MicrocontrollersMicrocontrollers

StructureStructure

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Design: StructureDesign: Structure

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Design: Arm & Tether MechanismDesign: Arm & Tether Mechanism

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Design: Circuitry and ProgramDesign: Circuitry and Program

Main Control BoardMain Control Board

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Results: DeploymentResults: Deployment

1 2 3

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Benefits to NASA:Benefits to NASA:

- Encourage future design considerationsEncourage future design considerations- Monocoque chassis idea for low mass and costMonocoque chassis idea for low mass and cost- Landing detection techniques Landing detection techniques

Potential Follow-on work:Potential Follow-on work:

- Stronger drive trainStronger drive train- Better maneuverability Better maneuverability - Obstacle avoidance implementationObstacle avoidance implementation

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Lessons Learned:Lessons Learned:

- Understanding of compromise in decision making Understanding of compromise in decision making

- Thorough testing is crucialThorough testing is crucial

- Testing allows us to see problems we can’t predictTesting allows us to see problems we can’t predict

- Power conservation methodsPower conservation methods

DemoSat IV:

Questions?Questions?

Colorado State University