An Overview Of Flight Test Results For A Formation Flight Autopilot
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An Overview Of Flight Test Results For A Formation Flight Autopilot
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Author :
language : en
Publisher:
Release Date : 2002
An Overview Of Flight Test Results For A Formation Flight Autopilot written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Automatic pilot (Airplanes) categories.
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.
Flight Test Techniques Used To Evaluate Performance Benefits During Formation Flight
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Author : Ronald J. Ray
language : en
Publisher:
Release Date : 2002
Flight Test Techniques Used To Evaluate Performance Benefits During Formation Flight written by Ronald J. Ray and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Drag (Aerodynamics) categories.
F A 18 Performance Benefits Measured During The Autonomous Formation Flight Project
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Author : M. Jake Vachon
language : en
Publisher:
Release Date : 2003
F A 18 Performance Benefits Measured During The Autonomous Formation Flight Project written by M. Jake Vachon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Flight control categories.
Unmanned Aircraft Systems
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Author : Ella Atkins
language : en
Publisher: John Wiley & Sons
Release Date : 2016-11-04
Unmanned Aircraft Systems written by Ella Atkins and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-04 with Technology & Engineering categories.
Covering the design, development, operation and mission profiles of unmanned aircraft systems, this single, comprehensive volume forms a complete, stand-alone reference on the topic. The volume integrates with the online Wiley Encyclopedia of Aerospace Engineering, providing many new and updated articles for existing subscribers to that work.
Aircraft Drag Reduction Through Extended Formation Flight
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Author : Simeon Andrew Ning
language : en
Publisher: Stanford University
Release Date : 2011
Aircraft Drag Reduction Through Extended Formation Flight written by Simeon Andrew Ning and has been published by Stanford University this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Formation flight has the potential to significantly reduce the fuel consumption of long range flights, even with existing aircraft. This research explores a safer approach to formation flying of transport aircraft, which we term extended formation flight. Extended formations take advantage of the persistence of cruise wakes and extend the streamwise separation between the aircraft by at least five wingspans. Classical aerodynamic theory suggests that the total induced drag of the formation should not change as the streamwise separation is increased, but the large separation distances of extended formation flight violate the simple assumptions of these theorems. At large distances, considerations such as wake rollup, atmospheric effects on circulation decay, and vortex motion become important to consider. We first examine the wake rollup process in the context of extended formations and develop an appropriate physics-based model. Using this model, this dissertation addresses three aspects of formation flight: longitudinally extended formations, compressibility effects, and formations of heterogeneous aircraft. Uncertainty analysis is used to investigate the induced drag savings of extended formations in the presence of variation in atmospheric properties, limitations of positioning accuracy, and uncertainty in model parameters. Next, the methodology is integrated with an Euler solver to assess the impact of compressibility while flying in formation. Finally, we examine the important considerations for optimally arranging formations of non-identical aircraft.
Aerial Vehicles
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Author : T. M. Lam
language : en
Publisher: BoD – Books on Demand
Release Date : 2009-01-01
Aerial Vehicles written by T. M. Lam and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-01 with Technology & Engineering categories.
This book contains 35 chapters written by experts in developing techniques for making aerial vehicles more intelligent, more reliable, more flexible in use, and safer in operation.It will also serve as an inspiration for further improvement of the design and application of aeral vehicles. The advanced techniques and research described here may also be applicable to other high-tech areas such as robotics, avionics, vetronics, and space.
Induced Moment Effects Of Formation Flight Using Two F A 18 Aircraft
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Author : Jennifer L. Hansen
language : en
Publisher:
Release Date : 2002
Induced Moment Effects Of Formation Flight Using Two F A 18 Aircraft written by Jennifer L. Hansen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Drag (Aerodynamics) categories.
Unmanned Rotorcraft Systems
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Author : Guowei Cai
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-06-01
Unmanned Rotorcraft Systems written by Guowei Cai and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-06-01 with Technology & Engineering categories.
Unmanned Rotorcraft Systems explores the research and development of fully-functional miniature UAV (unmanned aerial vehicle) rotorcraft, and provides a complete treatment of the design of autonomous miniature rotorcraft UAVs. The unmanned system is an integration of advanced technologies developed in communications, computing, and control areas, and is an excellent testing ground for trialing and implementing modern control techniques. Included are detailed expositions of systematic hardware construction, software systems integration, aerodynamic modeling; and automatic flight control system design. Emphasis is placed on the cooperative control and flight formation of multiple UAVs, vision-based ground target tracking, and landing on moving platforms. Other issues such as the development of GPS-less indoor micro aerial vehicles and vision-based navigation are also discussed in depth: utilizing the vision-based system for accomplishing ground target tracking, attacking and landing, cooperative control and flight formation of multiple unmanned rotorcraft; and future research directions on the related areas.
The Aeronautical Journal
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Author :
language : en
Publisher:
Release Date : 2004
The Aeronautical Journal written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Aeronautics categories.
Application And Flight Test Of Linearizing Transformations Using Measurement Feedback To The Nonlinear Control Problem
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Author : Robert F. Antoniewicz
language : en
Publisher:
Release Date : 1991
Application And Flight Test Of Linearizing Transformations Using Measurement Feedback To The Nonlinear Control Problem written by Robert F. Antoniewicz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Airplanes categories.