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CubeSat Design for Solar Sail Testing Applications

CubeSat Design for Solar Sail Testing Applications. Phillip Hempel Paul Mears Daniel Parcher Taffy Tingley. The University of Texas at Austin. October 11, 2001. Presentation Outline. Project Goal. Background. Constraints. Candidate Solutions. Timeline. Conclusion. Project Goal.

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CubeSat Design for Solar Sail Testing Applications

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  1. CubeSat Design for Solar Sail Testing Applications Phillip Hempel Paul Mears Daniel Parcher Taffy Tingley The University of Texas at Austin October 11, 2001

  2. Presentation Outline Project Goal Background Constraints Candidate Solutions Timeline Conclusion

  3. Project Goal • Design a Test Platform for Solar Sail Propulsion Technology • Measure Thrust • Measure Solar Sail Efficiency • Educational Experience • Provide Students with the Opportunity to See the Entire Satellite Design Process • Develop Orbital Trajectory and Satellite Orientation Simulation

  4. CubeSat Project Background • Sponsored by Stanford University • Utilizes Picosatellite Satellite Designs that Perform Some Scientific Task • Involves Many Universities • Gives Students a Chance to Develop a Space Projects for Real Application

  5. Presentation Outline Project Goal Background Constraints Candidate Solutions Timeline Conclusion

  6. Constraints • CubeSat Prescribed Constraints • 10cm Sided Cube • 1 Kg Weight • Timing System to Delay Power-On • Space-Flown Materials • Adopted Constraints (for Simplicity and Reliability) • No Attitude Control • No Powered Systems (except required Timer) • No Communications Systems

  7. Candidate Solutions Outline • Propulsion • Sail Material Selection • Tension lines • Reflectivity Optimization • Deployment System • Tracking and Communication

  8. Solar Sail Material Selection Encounter Satellite Solar Blade Solar Sail

  9. Solar Sail Material Selection Cosmos I Star of Tolerance Satellite

  10. Tear Strips

  11. Reflectivity Optimization • Number of folds • Rigidity • Tear Strips • Material Selection

  12. Deployment Sequence • Unlock Side Panels • Deploy Solar Sail

  13. Sail Deployment • Memory Spring • Compressed Gas/Capillaries

  14. Tracking and Communication • Corner Cube Reflectors • Laser from Ground Station • Multiple Measurements to Determine Position, Rotation, Acceleration

  15. Corner Cube Orientation

  16. Presentation Outline Project Goal Background Constraints Candidate Solutions Timeline Conclusion

  17. Conclusion • PaperSat is Developing a PicoSatellite Design for CubeSat • Design will Test Solar Sail Propulsion Technology • Design will not Incorporate Attitude Control • Position, Acceleration, and Orientation will be Measured from Ground Stations http://www.ae.utexas.edu/design/papersat/

  18. Acknowledgements • Dr. Wallace Fowler • Dr. Cesar Ocampo • Previous CubeSat Design Groups

  19. Questions?

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