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Progress Report

Progress Report. Order of Presentation. David – Intro and Fall Review Matt – Testing and Summary of Changes Josiah – Details on New Design Josh – Electrical Hardware Ona – Electrical Software / Optimization TJ – Progress Summary / Future Work. Outline. Summary – Fall (David)

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Progress Report

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  1. Progress Report

  2. Order of Presentation • David – Intro and Fall Review • Matt – Testing and Summary of Changes • Josiah – Details on New Design • Josh – Electrical Hardware • Ona – Electrical Software / Optimization • TJ – Progress Summary / Future Work

  3. Outline • Summary – Fall (David) • Review of Competition (missions, specs, etc.) • Old Design • Midpoint Review • Design Changes • Mission 2 payload configuration • Testing • Prop data received from APC • Various propellers / throttle settings • Throw Test • conclusions • Electronics Configuration • HPMI • Future Work • Fabrication • testing • CFD

  4. Project Overview • Develop a UAV which will satisfy the AIAA Design/Build/Fly Competition mission profile. • Competition Details • Location: Tucson, AZ • Date: April 15-17, 2011 • Major requirements: • Hand launched • Fixed wing • Electric powered (NiCad or NiMH batteries) • Propeller driven • Must be contain within a carry on bag • Max propulsion battery of ¾ lbs. • Max current draw of 20 amps

  5. Mission Profile • Mission 1: Dash to Critical Target • 4 minutes without payload to fly around course • Scoring equation: • Mission 2: Ammo Re-supply • Steel bar payload completing 3 laps around course • Scoring equation: • Mission 3: Medical supply Mission • Golf balls payload completing 3 laps around course • Scoring equation:

  6. Last System Design

  7. Current Design

  8. Aircraft Changes • Fairings added • Changed to 12x10 propeller • FAQ development • “For mission 2 it [Steel Bar] must be “installed” in the aircraft, and the aircraft must be in the case.”

  9. Bulkhead cutout changed • Allows storage of steel bar within fuselage Steel Bar c

  10. Throw Testing-Derive initial launch velocity

  11. Continued Propulsions Testing APC supplies vital propeller data Maybe insert picture of Matts mission model with all curves? Interpolated thrust data combined with all other calculable aircraft data

  12. Continued Propulsions Testing Crude 12 cell battery pack provides 14.4 volts Allows for higher thrust for shorter period of time

  13. New Mission Model #) Phase (Throttle Setting) • Hand Launch (100%) • Acceleration (100%) • Turn 1 (90%) • Cruise (75%) • 5) 360 Degree Loop (90%) • Cruise (75%) • Turn 2 (90%) • Landing (50%)

  14. Electronics & Controls – new selected controller • Main selections - Aurora 9 Tx and 0ptima 7 Rx - All channel fail safe maneuver • Safety Manuever - Kill Throttle - Roll Right - Yaw Right - Nose Up

  15. Fabrication Foam Cutting Laser Cutting Bulkheads

  16. Prototype Model Assembly • Payload bay mockup

  17. Fabrication at HPMI Foam core attempt 1 - Failure Foam core attempt 2 - Success

  18. Work in Progress • Fabrication of First Prototype • End of this week • Power System Simulink Simulation • CFD of Prototype • Report Compilation • End of this week

  19. Future Work • Subsystem testing • Flight Testing • Design Optimization • Finalize Report and submission February 28

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