1.

Record Nr.

UNINA9910271042103321

Titolo

Advanced UAV aerodynamics, flight stability, and control : novel concepts, theory and applications / / editors, Pascual Marques, Andrea Da Ronch

Pubbl/distr/stampa

Chichester, UK : , : Wiley, , 2017

©2017

ISBN

1-118-92870-9

1-5231-1560-2

1-118-92871-7

1-118-92869-5

Descrizione fisica

1 online resource (xvii, 754 pages) : illustrations

Collana

Aerospace Series

Disciplina

623.7469

Soggetti

Drone aircraft

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di bibliografia

Includes bibliographical references at the end of each chapters and index.

Nota di contenuto

Intro -- Title Page -- Copyright Page -- Contents -- List of Contributors -- Series Preface -- Preface -- Companion Website -- Chapter 1 Advanced UAV Aerodynamics, Flight Stability and Control:: An Introduction -- 1.1 Unmanned Aircraft Aerodynamics -- 1.2 UAV Flight Stability and Control -- Chapter 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) -- Chapter 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 -- Chapter 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 -- Chapter 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.

Chapter 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) -- Chapter 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 -- Chapter 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 -- Chapter 9 Helicopter BERP Tip: Literature Review of Helicopter Blade Shape Optimisation Methods -- 9.1 Introduction -- 9.2 Literature Review -- 9.3 Summary -- Bibliography -- Chapter 10 Framework for the Optimisation of a Helicopter Rotor Blade with an Approximate BERP Tip: Numerical Methods and Application -- 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 -- Chapter 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.

Chapter 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) -- Chapter 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 -- Chapter 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 -- Chapter 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 -- Chapter 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 -- Chapter 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 -- Chapter 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 -- Chapter 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 -- Chapter 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 -- Chapter 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 -- Supplemental Images -- EULA.