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by Andrea Da Ronch, Pascual Marqués
Advanced UAV Aerodynamics, Flight Stability and Control
Cover
Title Page
List of Contributors
Series Preface
Preface
Companion Website
1 Advanced UAV Aerodynamics, Flight Stability and Control
1.1 Unmanned Aircraft Aerodynamics
1.2 UAV Flight Stability and Control
2 Aerodynamics of UAV Configurations
2.1 Introduction
2.2 Emerging Technologies in UAV Aerodynamics
2.3 Aerodynamics and Stealth Compromises
2.4 Rotor Blade Tip Aerodynamics
2.5 Flight Dynamics of Canard Aircraft
2.6 Aerodynamics of the UCAV 1303 Delta‐wing Configuration
2.7 Flow Structure Modification using Plasma Actuators
2.8 Conclusion
References
Part I: Novel Concepts in Unmanned Aircraft Aerodynamics
1.1 Fixed‐wing (airplanes)
3 Aerodynamic Performance Analysis of Three Different Unmanned Re‐entry Vehicles
3.1 Introduction
3.2 Vehicle Description
3.3 Flight Scenario and Flow‐regime Assessment
3.4 Rarefied and Transitional Regimes
3.5 Viscous‐interaction Regime
3.6 High‐temperature Real‐gas Regime
3.7 Laminar‐to‐turbulent Transition Assessment
3.8 Design Approach and Tools
3.9 Aerodynamic Characterization
3.10 Low‐order Methods Aerodynamic Results
3.11 CFD‐based Aerodynamic Results
References
4 Nonlinear Reduced‐order Aeroservoelastic Analysis of Very Flexible Aircraft
4.1 Introduction
4.2 Large Coupled Computational Models
4.3 Coupled Reduced‐order Models
4.4 Control System Design
4.5 Conclusion
4.6 Exercises
References
5 Unmanned Aircraft Wind Tunnel Testing
5.1 Introduction
5.2 The Diana UAV Project
5.3 Experimental Facility
5.4 Force and Moment Measurements
5.5 Wind Tunnel and CFD Comparisons
5.6 Flow Visualization
5.7 Summary and Conclusions
Acknowledgments
References
6 Chord‐dominated Ground‐effect Aerodynamics of Fixed‐wing UAVs
6.1 Introduction
6.2 Categories of Ground Effect
6.3 Chord‐dominated Static Ground Effect
6.4 Chord‐dominated Dynamic Ground Effect
6.5 Chord‐dominated Mutational Ground Effect
Acknowledgments
References
1.2 Rotary‐wing (helicopter)
7 Dynamics Modelling and System Identification of Small Unmanned Helicopters
7.1 Introduction
7.2 Model Development
7.3 System Identification
7.4 Basic Control Design
7.5 Conclusion
Bibliography
8 Aerodynamic Derivative Calculation Using Radial Basis Function Neural Networks
8.1 Introduction
8.2 Helicopter Aerodynamic Derivatives
8.3 Radial Basis Function Neural Networks
8.4 The Delta Method
8.5 Parameter Estimation Using Simulated Data
8.6 Parameter Estimation Using Flight Data
8.7 Delta Method with Flight Data
8.8 Summary
Acknowledgements
References
9 Helicopter BERP Tip
9.1 Introduction
9.2 Literature Review
9.3 Summary
Bibliography
10 Framework for the Optimisation of a Helicopter Rotor Blade with an Approximate BERP Tip
10.1 Introduction
10.2 Numerical Methods
10.3 Optimisation Method
10.4 Parameterisation Technique
10.5 Grid and Geometry Generation
10.6 Flight Conditions
10.7 Hover Results
10.8 Forward Flight Results
10.9 Planform Optimisation
10.10 Summary and Conclusions
Bibliography
11 Active Blade Twist in Rotary UAVs using Smart Actuation
11.1 Introduction
11.2 Actuation Concepts
11.3 Integral Twist Actuation
11.4 Summary
References
1.3 Hybrid Aircraft
12 Hybrid Aircraft Aerodynamics and Aerodynamic Design Considerations of Hover‐to‐Dash Convertible UAVs
12.1 Why Hover‐to‐Dash Conversion is Important
12.2 Aircraft Mission Profiles and Sizing Chart Structure
12.3 Convertible Coleopter Design, Wind Tunnel and Flight Testing
12.4 Future: Convertible QuadCopter Design and Flight Testing
12.5 The Extreme: Hover‐to‐Supersonic Dash Aircraft
References
Part II: Novel Concepts in Unmanned Aircraft Flight Stability and Control
2.1 Fixed‐wing (airplanes)
13 Closed‐loop Active Flow Control for UAVs
13.1 Introduction
13.2 Objectives
13.3 Actuators
13.4 Linear System
13.5 Plant Model Identification
13.6 Controller Architecture
13.7 Conclusions
Acknowledgement
References
14 Autonomous Gust Alleviation in UAVs
14.1 Introduction
14.2 The Composite Spar
14.3 The Energy‐harvesting and Storage Component
14.4 Reduced Energy Control Law
14.5 Gust Modelling
14.6 Experimental Validation
14.7 Performance
14.8 Other Considerations
14.9 Summary and Discussion
Acknowledgement
References
15 Virtual Flight Simulation using Computational Fluid Dynamics
15.1 Introduction
15.2 Aerodynamic Model for Flight Simulation
15.3 Generation of Tabular Aerodynamic Model
15.4 Time‐accurate CFD for Flight Simulations
15.5 Conclusions
References
16 Flow Structure Modification Using Plasma Actuation for Enhanced UAV Flight Control
16.1 Introduction
16.2 Aerodynamic Flow Control
16.3 Plasma Actuators
16.4 Dielectric Barrier Discharge
16.5 Experimental Setup
16.6 Results and Analysis
16.7 Conclusions
Acknowledgments
References
17 Constrained Motion Planning and Trajectory Optimization for Unmanned Aerial Vehicles
17.1 Introduction
17.2 UAV Dynamics and Internal Constraints
17.3 Environmental Constraints
17.4 Off‐line CMP
17.5 Real‐time CMP
17.6 Variable Objective CMP
17.7 Summary and Conclusions
References
18 Autonomous Space Navigation Using Nonlinear Filters with MEMS Technology
18.1 Introduction and Problem Statement
18.2 Concurrent Orbit and Attitude Determination
18.3 Concurrent Attitude and System Identification
18.4 Summary and Conclusions
References
19 Adaptive Fault‐tolerant Attitude Control for Spacecraft Under Loss of Actuator Effectiveness
19.1 Introduction
19.2 Mathematical Model of Flexible Spacecraft and Problem Formulation
19.3 Adaptive Backstepping Fault‐Tolerant Controller Design
19.4 Numerical Simulations
19.5 Conclusion
References
2.2 Quad‐rotor Aircraft
20 Novel Concepts in Multi‐rotor VTOL UAV Dynamics and Stability
20.1 Introduction
20.2 Multi‐rotors
20.3 Novel Quad‐rotor Concepts
20.4 Conclusions
References
Further reading
21 System Identification and Flight Control of an Unmanned Quadrotor
21.1 Introduction
21.2 Quadrotor System and Experimental Infrastructure Overview
21.3 System Identification Using CIFER
21.4 Flight Testing
21.5 System Identification Results and Discussion
21.6 Controller Modeling and Validation
21.7 Controller Optimization in CONDUIT
21.8 Conclusion
References
Index
End User License Agreement
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