1 / 15

ERAU ASCEND! STRUCTURES and SYSTEMS INTEGRATION

ERAU ASCEND! STRUCTURES and SYSTEMS INTEGRATION. Nicholas Hammons. PREVIOUS STRUCTURE. Fold-out poster board mounting Carbon fiber-epoxy lid External GPS Velcro mounting Inseparable subsystems Wiring mess. GOALS. Improve component accessibility Separate subsystems Reduce wiring mess

manasa
Download Presentation

ERAU ASCEND! STRUCTURES and SYSTEMS INTEGRATION

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ERAU ASCEND!STRUCTURES and SYSTEMS INTEGRATION Nicholas Hammons

  2. PREVIOUS STRUCTURE • Fold-out poster board mounting • Carbon fiber-epoxy lid • External GPS • Velcro mounting • Inseparable subsystems • Wiring mess

  3. GOALS • Improve component accessibility • Separate subsystems • Reduce wiring mess • Internalize GPS antenna • Integrate PICAXE microcontroller • Add solar cell module • Lighten payload (< 4 lbs)

  4. SOLUTIONS • Accessibility: Slide-out flanges • Sys. Separation: Separate power systems Separate levels • Wiring: Ribbon cable/connectors • GPS: Glass-epoxy lid • PICAXE: Data board • Solar Cells: Lid-mounted module • Weight: Composites

  5. CURRENT PAYLOAD STUCTURE • Shell • Lid • Shelving System • APRS Layer • Data Collection Layer

  6. PAYLOAD SHELL • Inherited/reusable shell • 5 launches • 8” x 8” x 8” cube • Bi-directional carbon fiber • ¼” foam core • External access to on/off switches • ~ 421 in3 useable volume

  7. PAYLOAD LID • Glass-epoxy • GPS transmission • ¼” foam core • GPS antenna/ground plane mounted internally • Solar cells mounting • Silicon gel to reduce heat flux

  8. SOLAR CELL MODULE • Glass-epoxy • ¼” foam core • Plexiglas cover

  9. SHELVING SYSTEM • Mimic EYASSAT NanoSat Modules • Separate power requirements • Carbon fiber-epoxy laminate • Slide-out flanges: 3-ply • Brackets: 2-ply • Reduces structure volume and weight • ~ 7.5% more internal volume (vs. Nov. 22, 2008 launch)

  10. APRS LAYER • TinyTrak 4 • Radio • GPS Evaluation Board • Voltage Regulator • AA Battery Pack

  11. DATA COLLECTION LAYER • ¼” foam core • Data board: • PICAXE • Logomatic • Voltage Regulator • Internal/External Temperature Sensors • Pressure Sensor • AA Battery Pack

  12. SYSTEM INTEGRATION • Velcro mounting • 1 cross-board connection • On/off switch • 2 lid to payload connections • Solar cells • GPS antenna • External on/off switches • Payload weight at launch: • 3 lbs 11 oz

  13. FUTURE IMPROVEMENTS • Integrate data collection system into PC boards • Convertible payload • Reduce APRS volume to maximize space for collecting data • Fabricate sun sensor module • Improve thermal regulation

  14. QUESTIONS

  15. ATTITUDE DETERMINATION Andrew Grant

More Related