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Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work. System Definition Review 3/27/07 Team 1. John Horst Jared Odle Keith Fay Boyce Dauby.
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AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work System Definition Review3/27/07Team 1 • John Horst • Jared Odle • Keith Fay • Boyce Dauby • Andrew Kovach • Akshay Raje • Jason Darby • Manish Handa
AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work • Mission Statement: • The objective is to provide a fixed-wing, semi-autonomous, long-endurance, continuous-area coverage unmanned aerial vehicle to relay communication of tactical importance for an extended period of time. • Department of Defense • Front-line tactical communication relay to/from warfighter • Relief Agencies/FEMA • Front-line tactical communication relay to/from ground first responders • Commercial Customers • Damaged service locations, scouting of new telecommunication markets, and remote locations
AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work Competition Communication Satellites Lighter-Than-Air Vehicles Broadcast Towers Shadow 200 Hunter Predator
Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work • Takeoff • Conventional runway takeoff (Autonomous or Remote Operation) • Distance from Takeoff to Coverage Area • Transmitting/Receiving • Ground Forces UAV Command Station or other Ground Forces • Control • Autonomous with manual backup/mission override • Remote Operators • Trained military UAV pilots controlling from Mission Command Center • Level of Threat • Design for high threat environment CONOPS AAE 451 – Team 1 – 3/27/07 4
Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work CONOPS http://www.afcea.org/signal/articles/templates/SIGNAL_Article_Template.asp?articleid=507&zoneid=4 • Provide continuous area coverage for and extended time period • Multiple UAVs in system • Redundancy by overlapping coverage • Survivability via electronic countermeasures AAE 451 – Team 1 – 3/27/07 5
AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work Design Requirements
AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work Pugh’s Method • An iterative approach to synthesize novel concepts • Choose Criteria • Clarify Concepts • Choose Baseline Concept • Choose relative rankings (+,-,S) • Create hybrids better than any first generation concepts • Iterate
AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work A F K B H J
AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work P N L 0 M
AAE 451 - Team 1 - 3/27/07 Pugh’s Method Rankings
Current Concept AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work • Twin-Engine, Retractable Tail-Dragger Landing Gear • Unswept Tapered Low Wing, Conventional Tail • Wingspan = 55 ft • Taper Ratio = 0.4
AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work Communications Payload • AJCN - Adaptive Joint C4ISR Node by BAE Systems *Volume approximated by avionic density: 0.02 – 0.03 ft3/lb
AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work Additional Payload • Camera • MicroPilot - Dayview/Nightview • Interchangeable with Thermal Imaging Mode • 25x Optical Zoom • 320 x 240 Resolution • 3 Watts of Power • 2.2 pounds • (Ø) 4.3 in x (H) 8.3 in
AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work Additional Payload • Missile Warning/Countermeasures - BAE Systems • AN/ALQ-156(V) Warning System • 425 Watts of Power • 50 pounds • 20.4 × 10.2 × 7.6 in • AN/ALE-47 Dispensing System • Automatic Response • Protects Against: Air Interceptor (AI), Anti-Aircraft Artillery (AAA), and Surface-to-Air Missiles (SAMs) • 20 pounds • Fielded on 1,307 Aircraft • 43.7 x 39.5 x 26.8 in
Constraint Diagrams AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work • Assumptions:
AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work Constraint Diagrams
AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work Preliminary Carpet Plot
Design Mission AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work 2 3 6 7 4 5 0 1 8 9 • 0-1 Taxi/Takeoff • 1-2 Climb to Cruise Altitude • 2-3 Cruise to Target • 3-4 Change to Loiter Altitude • 4-5 Loiter • 5-6 Change to Cruise Altitude • 6-7 Cruise to Runway • 7-8 Descend • 8-9 Land/Taxi
Design Mission AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work • 500 ft takeoff • Cruise to/from combat area • Altitude: 15,000 ft AGL • Distance: Up to 100 nm • Loiter above combat area • Altitude: 15,000 ft AGL • Velocity: 80 kts • Endurance: Up to 20 hrs • 500 ft landing
Sizing Codes AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work • MATLAB • Used to generate current constraint diagrams and preliminary carpet plots • FLOPS • Current issues involve parametric optimization, variable definitions, and power-to-thrust conversion • ACS • Currently refining accuracy of variables • Carpet plots possible, accuracy questionable
AAE 451 - Team 1 - 3/27/07 Component Layout Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work 1 4 2 5 3 • 1. Engine Nacelles • 2. Camera • 3. AJCN • 4. Avionics • 5. Fuel Tanks
AAE 451 - Team 1 - 3/27/07 Component Layout Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work
Compliance Matrix AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work * Distance to Mission Area
AAE 451 - Team 1 - 3/27/07 Introduction Target Market Concept of Operations Design Requirements Concept Selection Payload Description Performance Constraints Representative Layout Requirements Compliance Future Work Future Work • Sizing • Update Carpet Plots • More Accurate Results from ACS and FLOPS • Component Selection • Airfoil, Engine, and Propeller Selection • Performance • Define Operating Envelope • Structures • Structural Layout • Material Selection • Stability and Control • Center of Gravity • Static Margin