1. DemoSat IV: DoOverRover Colorado State University Derek Bonner Ben Colvin Jon Cox Kenneth Darbonne Nick Ellis Ross MacGregor Mike Neuberg Derek Bonner Ben Colvin Jon Cox Kenneth Darbonne Nick Ellis Ross MacGregor Mike Neuberg August 9, 2006

2. 2 Mission Statement & Goals: -The DoOverRover is designed to survive the impact and upon landing take pictures of the landing site. -Survive flight and detect landing -Deploy and drive around site -Take pictures of site

3. 3 Design: Schedule & Budgets Schedule: Start Date: May 15 th, 2006 Number of Students: 7 n Mass: Total: 1187g Budget: 1500g Margin: 313g n Monetary: Total: $225 Budget: $250 Margin: $25

4. 4 Design: System Overview n Camera n Sensors –Pressure –Accelerometer n Power n Microcontrollers n Structure

5. 5 Design: Structure

6. 6 Design: Arm & Tether Mechanism

7. 7 Design: Circuitry and Program Main Control Board

8. 8 Results: Deployment 123

9. 9 Benefits to NASA: -Encourage future design considerations -Monocoque chassis idea for low mass and cost -Landing detection techniques Potential Follow-on work: -Stronger drive train -Better maneuverability -Obstacle avoidance implementation

10. 10 Lessons Learned: -Understanding of compromise in decision making -Thorough testing is crucial -Testing allows us to see problems we can’t predict -Power conservation methods

11. DemoSat IV: Questions? Colorado State University