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This presentation outlines the specifications, scope, and team structure for the Soldier Portable UAV project aimed at participating in the AIAA Design/Build/Fly competition. Key sections include the aircraft design requirements, mission profiles with specific goals for different missions, and an analysis of subsystems. The team, featuring experts in mechanical, electrical, and project management roles, is focused on developing a UAV that meets stringent size and performance criteria while ensuring safety, stability, and effectiveness in various flight missions.
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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 • 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
Overview • Develop a UAV which will satisfy the AIAA Design/Build/Fly Competition mission profile • Competition Details
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)
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
M1: Path to Goal • Aerodynamic Body • Low Drag • Lightweight • High Thrust • Battery Longevity • High Maneuverability
Mission TwoAmmo Re-Supply • Mission description • Payload flight • Team selected/supplied steel bar(s) • Goal • Complete 3 laps • Maximize payload-to-weight ratio
M2: Path to Goal • High Lift Airfoil Design • Adequate Structural Integrity • Lightweight Aircraft • Good Flight Stability Under Heavy Load
Mission ThreeMedical Supply Mission • Mission description • Payload flight • Team selected quantity of golf balls • Goal • Complete 3 laps • Transport maximum number of golf balls
M3: Path to Goal • Maximize Cargo Bay Volume • High Payload Capacity • Lightweight Payload Stabilizer
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
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)
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
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
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
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
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
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
Materials Selection & Fabrication Desired Characteristics • Light Weight • Ideal Yield Strength • Stiff in Bending • Simple To Manufacture
Materials Selection & Fabrication • Chosen Materials: • CFRP • Loading • Tension • Wood • Loading • Longitudinal
Materials Selection & Fabrication Options/Selection • Hybrid Structures • Sandwich • Light Weight • Resistant to Bending • Resistant to Buckling • Shape Factors • I-Beam • Rectangle • Hollow Shape
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
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
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