F/A-18 Performance Benefits Measured During the Autonomous Formation Flight Project PDF Download
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Author: M. Jake Vachon
Publisher:
ISBN:
Category : Flight control
Languages : en
Pages : 38
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Book Description
Author: M. Jake Vachon
Publisher:
ISBN:
Category : Flight control
Languages : en
Pages : 38
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781720521105
Category :
Languages : en
Pages : 36
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Book Description
The Autonomous Formation Flight (AFF) project at the NASA Dryden Flight Research Center (Edwards, California) investigated performance benefits resulting from formation flight, such as reduced aerodynamic drag and fuel consumption. To obtain data on performance benefits, a trailing F/A-18 airplane flew within the wing tip-shed vortex of a leading F/A-18 airplane. The pilot of the trail airplane used advanced station-keeping technology to aid in positioning the trail airplane at precise locations behind the lead airplane. The specially instrumented trail airplane was able to obtain accurate fuel flow measurements and to calculate engine thrust and vehicle drag. A maneuver technique developed for this test provided a direct comparison of performance values while flying in and out of the vortex. Based on performance within the vortex as a function of changes in vertical, lateral, and longitudinal positioning, these tests explored design-drivers for autonomous stationkeeping control systems. Observations showed significant performance improvements over a large range of trail positions tested. Calculations revealed maximum drag reductions of over 20 percent, and demonstrated maximum reductions in fuel flow of just over 18 percent.Vachon, M. Jake and Ray, Ronald J. and Walsh, Kevin R. and Ennix, KimberlyArmstrong Flight Research CenterAUTONOMY; FORMATION FLYING; FLIGHT TESTS; F-18 AIRCRAFT; AIRCRAFT PERFORMANCE; MATHEMATICAL MODELS; AERODYNAMIC DRAG; FUEL CONSUMPTION; DRAG REDUCTION; FUEL FLOW; THRUST; FLIGHT CONDITIONS; AIRCRAFT MANEUVERS; VORTICES
Author: Curtis E. Hanson
Publisher:
ISBN:
Category : Flight control
Languages : en
Pages : 36
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Author:
Publisher:
ISBN:
Category : Automatic pilot (Airplanes)
Languages : en
Pages : 22
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Book Description
The first flight test phase of the NASA Dryden Flight Research Center Autonomous Formation Flight project has successfully demonstrated precision autonomous station-keeping of an F/A-18 research airplane with a second F/A-18 airplane. Blended inertial navigation system (INS) and global positioning system (GPS) measurements have been communicated across an air-to-air telemetry link and used to compute relative-position estimates. A precision research formation autopilot onboard the trailing airplane controls lateral and vertical spacing while the leading airplane operates under production autopilot control. Four research autopilot gain sets have been designed and flight-tested, and each exceeds the project design requirement of steady-state tracking accuracy within 1 standard deviation of 10 ft.
Author: Hugh H. T. Liu
Publisher: John Wiley & Sons
ISBN: 1119263050
Category : Science
Languages : en
Pages : 392
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Book Description
This text explores formation control of vehicle systems and introduces three representative systems: space systems, aerial systems and robotic systems Formation Control of Multiple Autonomous Vehicle Systems offers a review of the core concepts of dynamics and control and examines the dynamics and control aspects of formation control in order to study a wide spectrum of dynamic vehicle systems such as spacecraft, unmanned aerial vehicles and robots. The text puts the focus on formation control that enables and stabilizes formation configuration, as well as formation reconfiguration of these vehicle systems. The authors develop a uniform paradigm of describing vehicle systems’ dynamic behaviour that addresses both individual vehicle’s motion and overall group’s movement, as well as interactions between vehicles. The authors explain how the design of proper control techniques regulate the formation motion of these vehicles and the development of a system level decision-making strategy that increases the level of autonomy for the entire group of vehicles to carry out their missions. The text is filled with illustrative case studies in the domains of space, aerial and robotics. • Contains uniform coverage of "formation" dynamic systems development • Presents representative case studies in selected applications in the space, aerial and robotic systems domains • Introduces an experimental platform of using laboratory three-degree-of-freedom helicopters with step-by-step instructions as an example • Provides open source example models and simulation codes • Includes notes and further readings that offer details on relevant research topics, recent progress and further developments in the field Written for researchers and academics in robotics and unmanned systems looking at motion synchronization and formation problems, Formation Control of Multiple Autonomous Vehicle Systems is a vital resource that explores the motion synchronization and formation control of vehicle systems as represented by three representative systems: space systems, aerial systems and robotic systems.
Author: Steven H. Collicott
Publisher: Butterworth-Heinemann
ISBN: 0081002327
Category : Technology & Engineering
Languages : en
Pages : 688
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Book Description
Aerodynamics for Engineering Students, Seventh Edition, is one of the world's leading course texts on aerodynamics. It provides concise explanations of basic concepts, combined with an excellent introduction to aerodynamic theory. This updated edition has been revised with improved pedagogy and reorganized content to facilitate student learning, and includes new or expanded coverage in several important areas, such as hypersonic flow, UAV's, and computational fluid dynamics. - Provides contemporary applications and examples that help students see the link between everyday physical examples of aerodynamics and the application of aerodynamic principles to aerodynamic design - Contains MATLAB-based computational exercises throughout, giving students practice in using industry-standard computational tools - Includes examples in SI and Imperial units, reflecting the fact that the aerospace industry uses both systems of units - Improved pedagogy, including more examples and end-of-chapter problems, and additional and updated MATLAB codes
Author:
Publisher: Jeffrey Frank Jones
ISBN:
Category :
Languages : en
Pages : 3840
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Book Description
Over 3,800 total pages ... Just a sample of the studies / publications included: Drone Swarms Terrorist and Insurgent Unmanned Aerial Vehicles: Use, Potentials, and Military Implications Countering A2/AD with Swarming Stunning Swarms: An Airpower Alternative to Collateral Damage Ideal Directed-Energy System To Defeat Small Unmanned Aircraft System Swarms Break the Kill Chain, not the Budget: How to Avoid U.S. Strategic Retrenchment Gyges Effect: An Ethical Critique of Lethal Remotely Piloted Aircraft Human Robotic Swarm Interaction Using an Artificial Physics Approach Swarming UAS II Swarming Unmanned Aircraft Systems Communication Free Robot Swarming UAV Swarm Attack: Protection System Alternatives for Destroyers Confidential and Authenticated Communications in a Large Fixed-Wing UAV Swarm UAV Swarm Behavior Modeling for Early Exposure of Failure Modes Optimized Landing of Autonomous Unmanned Aerial Vehicle Swarms Mini, Micro, and Swarming Unmanned Aerial Vehicles: A Baseline Study UAV Swarm Operational Risk Assessment System SmartSwarms: Distributed UAVs that Think Command and Control Autonomous UxV's UAV Swarm Tactics: An Agent-Based Simulation and Markov Process Analysis A Novel Communications Protocol Using Geographic Routing for Swarming UAVs Performing a Search Mission Accelerating the Kill Chain via Future Unmanned Aircraft Evolution of Control Programs for a Swarm of Autonomous Unmanned Aerial Vehicles AFIT UAV Swarm Mission Planning and Simulation System A Genetic Algorithm for UAV Routing Integrated with a Parallel Swarm Simulation Applying Cooperative Localization to Swarm UAVS Using an Extended Kalman Filter A Secure Group Communication Architecture for a Swarm of Autonomous Unmanned Aerial Vehicles Braving the Swarm: Lowering Anticipated Group Bias in Integrated Fire/Police Units Facing Paramilitary Terrorism Distributed Beamforming in a Swarm UAV Network Integrating UAS Flocking Operations with Formation Drag Reduction Tracking with a Cooperatively Controlled Swarm of GMTI Equipped UAVS Using Agent-Based Modeling to Evaluate UAS Behaviors in a Target-Rich Environment Experimental Analysis of Integration of Tactical Unmanned Aerial Vehicles and Naval Special Warfare Operations Forces Target Acquisition Involving Multiple Unmanned Air Vehicles: Interfaces for Small Unmanned Air Systems (ISUS) Program Tools for the Conceptual Design and Engineering Analysis of Micro Air Vehicles Architectural Considerations for Single Operator Management of Multiple Unmanned Aerial Vehicles
Author: Ronald J. Ray
Publisher:
ISBN:
Category : Drag (Aerodynamics)
Languages : en
Pages : 28
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Book Description
Author: E. L. Houghton
Publisher: Elsevier
ISBN: 0080966322
Category : Business & Economics
Languages : en
Pages : 741
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Book Description
Firmly established as the leading complete course text on aerodynamics, this book has been revised to include the latest developments in flow control and boundary layers and their influence on modern wing design.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages :
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