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Soldier Portable UAV

Soldier Portable UAV. Project Specifications and Scope. Presentation Outline. Team Introduction Project Overview Competition Specifications Mission Profile Score Analysis Subsystem Breakdown Project Timeline Summary. UAV Team. Matthew Martin – Project Manager, ME

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Soldier Portable UAV

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  1. Soldier Portable UAV Project Specifications and Scope

  2. Presentation Outline • Team Introduction • Project Overview • Competition Specifications • Mission Profile • Score Analysis • Subsystem Breakdown • Project Timeline • Summary

  3. UAV Team • Matthew Martin – Project Manager, ME • Josiah Shearon– Mechanical Technical Lead, ME • TJ Worden – Design Req. Specialist, ME • David Neira– Treasurer, ME • Josh Mellen– Electrical Technical Lead, ECE • OnaOkonkwo– Secretary, ECE

  4. Overview • Develop a UAV which will satisfy the AIAA Design/Build/Fly Competition mission profile • Competition Details

  5. Aircraft Design Requirements

  6. UAV Container • UAV must be contained within this carry on bag • No single dimension can be more than 22 inches • Entire disassembled aircraft and tools must fit in suitcase (no transmitter)

  7. Flight Course

  8. Governing Equations

  9. Mission OneDash to critical target • Mission description • 4 minute time limit • Goal • Achieve maximum number of laps in specified time • Time starts during first hand launch attempt

  10. M1: Path to Goal • Aerodynamic Body • Low Drag • Lightweight • High Thrust • Battery Longevity • High Maneuverability

  11. Mission TwoAmmo Re-Supply • Mission description • Payload flight • Team selected/supplied steel bar(s) • Goal • Complete 3 laps • Maximize payload-to-weight ratio

  12. M2: Path to Goal • High Lift Airfoil Design • Adequate Structural Integrity • Lightweight Aircraft • Good Flight Stability Under Heavy Load

  13. Mission ThreeMedical Supply Mission • Mission description • Payload flight • Team selected quantity of golf balls • Goal • Complete 3 laps • Transport maximum number of golf balls

  14. M3: Path to Goal • Maximize Cargo Bay Volume • High Payload Capacity • Lightweight Payload Stabilizer

  15. Overall Flight Score Analysis • Projected Maximum Score • Mission 1 = 1 • Mission 2 = 1.5 • Mission 3 = 2 • Mission Priority • Mission 3 • Mission 2 • Mission 1

  16. UAV Team Specializations • Matthew Martin – Overall Aircraft Layout • Josiah Shearon – Materials Selection & Fabrication • TJ Worden – Wing Design • David Neira – Power & Propulsion • Josh Mellen – Electronics & Control (Hardware) • OnaOkonkwo – Electronics & Control (Software)

  17. Electronics & Controls Design Desired Characteristics • Battery • High Energy Density • Greater Longevity • Less Volatile • Low Recharge Time • Transmitter • Long Distance • No Signal Interference • FCC Requirement • 72.01-72.99MHz • Control Board • Lightweight/Efficient • Minimum One DC Motor (Propeller), Two Servos (Rudder/Elevator) • Gyroscopic Feature • Radio Fail-Safe Maneuver • Kill Throttle, Roll Right, Yaw Right, Nose Up

  18. Electronics & Controls Design Options/Selection • Battery Selection • NiMH • Long Lasting • Chemically Stable • Quick Charge • Transmitter Selection • Spektrum DX6i • No Signal Interference • Meets all FCC Requirements

  19. Power & Propulsion Systems Desired Characteristics • Motor • Efficient • Optimal Power Generation • Light Weight • Low Current Draw • Propulsion • Optimal RPM/Torque • High Thrust • Light Weight • Low Drag

  20. Power & Propulsion Systems Options/Selection • Motor • Brushless • Low Weight • High Efficiency • Ideal RPM/Torque • Gear/Belt Reduction • Increases Output RPM • Maintains High Torque • Propulsion • Ducted Fan • High Thrust, Low Drag • Heavy Weight • Propeller • Light Weight • Drag Due To Vortex Generation

  21. Wing Design Desired Characteristics • High Aerodynamic Efficiency (L/D) • Moderate Wing Loading • High Lift At Low Speeds • Low Stall Speed • Hand Launched • Stable Flight • Moderate Maneuverability

  22. Wing Design Options/Selection • Wing Parameters • Wing Span • Planform Area • Aspect Ratio • CL/CD • Wing Section • Control Surfaces • Wing Layout • Sweep • Diahedral • Wing Configuration • Twist • Taper • Wingtip Design

  23. Materials Selection & Fabrication Desired Characteristics • Light Weight • Ideal Yield Strength • Stiff in Bending • Simple To Manufacture

  24. Materials Selection & Fabrication • Chosen Materials: • CFRP • Loading • Tension • Wood • Loading • Longitudinal

  25. Materials Selection & Fabrication Options/Selection • Hybrid Structures • Sandwich • Light Weight • Resistant to Bending • Resistant to Buckling • Shape Factors • I-Beam • Rectangle • Hollow Shape

  26. Overall Layout Desired Characteristics • High Storage Volume Capacity • Low Drag • Optimal Center of Gravity • Adequate Maneuverability • Fulfillment of Design Requirements • Safety and Size • Ease of Assembly

  27. Overall Layout Options/Selection • Fuselage • Lowest Drag Coefficient • Body Lines • Smooth/Sharp • Landing Gear • Retractable/Fixed • Weight Distribution • Compact/Dispersed • Subsystem Integration • Propulsion Configuration • Single/Multiple Motors • Front/Back Driven • Wing Configuration • Main/Tail Spacing • Wing Location

  28. Summary • Develop aircraft with the following features: • High Storage Capacity • Lightweight • Heavy Payload Capacity • Adequate Speed/Maneuverability • February 20, 2011 • Finish Fabrication of UAV • Submit Design Report • Competition: April 15-17, 2011

  29. Questions?

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