Problem Definition Review Solar Sail Senior Design Project P18101
Review Meeting Outline Main Objective: Finalize Project Definition and Requirements 1. Background & Current State 2. Problem Statement 3. Use Cases 4. Customer Needs & Engineering Requirements 5. Critical Challenges & Risks 6. Draft Project Plan 7. Further Questions & Discussion
Background and Current State • Planetary Society Solar Sail • NASA Solar Sail Demonstrator (‘Sunjammer’) • NASA NEA Scout Image Courtesy of the Planetary Society
Problem Statement Objective- Design a CubeSat-based solar sail deployment mechanism that is able to interact and integrate with other cubesats ◦ Potential use cases include research missions, deorbiting of space debris, and so on ◦ Compliant with CubeSat regulations
Use Cases
Customer Needs
Engineering Requirements
Key Risks & Design Challenges 1. Location with adequate space for testing 2. Sail material Selection 3. Boom mechanism stability 4. Minimize moment created 5. Budget space for control system (button, communication, sail controls) 6. Double design for air brake as well as solar sail 7. Durability during launch 8. Designing for CubeSat specs 9. Attachment of sail to boom 10. Folding pattern 11. Electrical hardware designed for outer space
Risk Assessment Top 5 Risks (By Team Assessment of Importance)
Draft MSD I Project Plan Timeline 1. Solar Sail Material 2. Button Deployment 3. Sail Folding 4. Deployment Mechanism 5. Model Final Design
Questions for You ● CubeSat Manufacturing timeline? 1U and 2U? ● Exact operating altitude and conditions
Questions and Discussion ?
Picture Websites ● https://www.google.com/search?q=Solar+sail+picture&tbm=isch&tbo=u&source=univ &sa=X&ved=0ahUKEwin-Jfc36TWAhUH4YMKHfJmBdgQsAQIQA&biw=1536&bih=79 8#imgrc=9EADJbc00BORQM: ● http://www.planetary.org/ ● https://www.google.com/search?q=Solar+sail+picture&tbm=isch&tbo=u&source=univ &sa=X&ved=0ahUKEwjDmaCF4aTWAhXHy4MKHdYPC0kQ7AkIWw&biw=1536&bih =798#imgrc=pJ8KZApjnsg7UM:
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