1. CUSat High Altitude Test (CHAT) Mission Briefing
SHOT-II, Boulder Colorado
Friday, June 16, 2006
Nanosat-4 Program Sponsors
Adam Maher
Mechanical Systems Engineer
CUSat Satellite Project

2. Mission Overview CUSat High Altitude Test (CHAT)
Takes 25 pictures of adjacent SHOT-II Package
Use Photomodeler-5 software package
Distance verification
Accelerometer data asses versatility of algorithm
Mission Overview
Mission Relevance
CHAT Design
CHAT Testing
Expected Results
Demonstration

3. Mission Relevance Camera payload demonstration
Mission Statement: In-orbit inspection system
Learn through use of high-altitude inspection system.
Mission Objective 1 & SYS F10: Demonstrate and verify in-orbit Carrier-Phase GPS (CDGPS)
Use Photomodeler-5 for distance verification
Asses robustness of software in dynamic environment
Assembly, Integration & Testing Experience
Demonstrate manufacturing resources
Assembly of dense package
Harness
Structures
Command & Data Handling
Mission Overview
Mission Relevance
CHAT Design
CHAT Testing
Expected Results
Demonstration

4. Design Camera Structure Electronics Cannon ELF
Machined aluminum for rigidity
Electronics
Power & Operations Switches
+/- 5g Accelerometer
Microcontroller Board
Coordinates & time synchronizes operations
Records accelerometer data
Commands picture taking
Umbilical communication port
10W heating system
4x 9V Batteries
Shorting protection
Mission Overview
Mission Relevance
CHAT Design
CHAT Testing
Expected Results
Demonstration

5. Testing Tests Compliance Process Whip Test Drop Test Stair Pitch Test
Pre-test checkout
Perform test, or poll system during test
Post-test checkout, functional verification, inspection
Whip Test
Drop Test
Stair Pitch Test
Cooler Test, 2nd Attempt
Operational Rehearsal
Compliance
Weight: 1.14 kg
Attachment: Center attachment
Mission Overview
Mission Relevance
CHAT Design
CHAT Testing
Expected Results
Demonstration

6. Expected Results Photomodeler Conclusions Acceleration Profile:
Calibrated camera data
Select known vertices
Retain distance
Conclusions
Accuracy of software
Effect of motion
Acceleration Profile:
Mission Overview
Mission Relevance
CHAT Design
CHAT Testing
Expected Results
Demonstration

7. Demonstration Mechanical Overview Operational Mode Demonstration
Software interface
Status
Retrieving data
Taking a picture
Mission Overview
Mission Relevance
CHAT Design
CHAT Testing
Expected Results
Demonstration

8. Questions? Mission Overview Mission Relevance CHAT Design CHAT Testing
Expected Results
Demonstration