Using Engine Thrust For Emergency Flight Control Md 11 And B 747 Results Nasa Tm 1998 206552 Jul 6 1998

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Flight Dynamics

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Author : Robert F. Stengel
language : en
Publisher: Princeton University Press
Release Date : 2022-11-01

Flight Dynamics written by Robert F. Stengel and has been published by Princeton University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-11-01 with Science categories.

An updated and expanded new edition of an authoritative book on flight dynamics and control system design for all types of current and future fixed-wing aircraft Since it was first published, Flight Dynamics has offered a new approach to the science and mathematics of aircraft flight, unifying principles of aeronautics with contemporary systems analysis. Now updated and expanded, this authoritative book by award-winning aeronautics engineer Robert Stengel presents traditional material in the context of modern computational tools and multivariable methods. Special attention is devoted to models and techniques for analysis, simulation, evaluation of flying qualities, and robust control system design. Using common notation and not assuming a strong background in aeronautics, Flight Dynamics will engage a wide variety of readers, including aircraft designers, flight test engineers, researchers, instructors, and students. It introduces principles, derivations, and equations of flight dynamics as well as methods of flight control design with frequent reference to MATLAB functions and examples. Topics include aerodynamics, propulsion, structures, flying qualities, flight control, and the atmospheric and gravitational environment. The second edition of Flight Dynamics features up-to-date examples; a new chapter on control law design for digital fly-by-wire systems; new material on propulsion, aerodynamics of control surfaces, and aeroelastic control; many more illustrations; and text boxes that introduce general mathematical concepts. Features a fluid, progressive presentation that aids informal and self-directed studyProvides a clear, consistent notation that supports understanding, from elementary to complicated conceptsOffers a comprehensive blend of aerodynamics, dynamics, and controlPresents a unified introduction of control system design, from basics to complex methodsIncludes links to online MATLAB software written by the author that supports the material covered in the book

Using Engine Thrust For Emergency Flight Control Md 11 And B 747 Results Nasa Tm 1998 206552 Jul 6 1998

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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1999*

Using Engine Thrust For Emergency Flight Control Md 11 And B 747 Results Nasa Tm 1998 206552 Jul 6 1998 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999* with categories.

Using Engine Thrust For Emergency Flight Control Md 11 And B 747 Results

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Author : Frank W. Burcham (Jr.)
language : en
Publisher:
Release Date : 1998

Using Engine Thrust For Emergency Flight Control Md 11 And B 747 Results written by Frank W. Burcham (Jr.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.

Emergency Flight Control Using Only Engine Thrust And Lateral Center Of Gravity Offset A First Look

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Author : Frank W. Burcham (Jr.)
language : en
Publisher:
Release Date : 1997

Emergency Flight Control Using Only Engine Thrust And Lateral Center Of Gravity Offset A First Look written by Frank W. Burcham (Jr.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.

Simulator Evaluation Of Simplified Propulsion Only Emergency Flight Control Systems On Transport Aircraft

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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-11

Simulator Evaluation Of Simplified Propulsion Only Emergency Flight Control Systems On Transport Aircraft written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-11 with categories.

With the advent of digital engine control systems, considering the use of engine thrust for emergency flight control has become feasible. Many incidents have occurred in which engine thrust supplemented or replaced normal aircraft flight controls. In most of these cases, a crash has resulted, and more than 1100 lives have been lost. The NASA Dryden Flight Research Center has developed a propulsion-controlled aircraft (PCA) system in which computer-controlled engine thrust provides emergency flight control capability. Using this PCA system, an F-15 and an MD-11 airplane have been landed without using any flight controls. In simulations, C-17, B-757, and B-747 PCA systems have also been evaluated successfully. These tests used full-authority digital electronic control systems on the engines. Developing simpler PCA systems that can operate without full-authority engine control, thus allowing PCA technology to be installed on less capable airplanes or at lower cost, is also a desire. Studies have examined simplified ?PCA Ultralite? concepts in which thrust control is provided using an autothrottle system supplemented by manual differential throttle control. Some of these concepts have worked well. The PCA Ultralite study results are presented for simulation tests of MD-11, B-757, C-17, and B-747 aircraft.Burcham, Frank W., Jr. and Kaneshige, John and Bull, John and Maine, Trindel A.Ames Research Center; Armstrong Flight Research CenterFLIGHT CONTROL; SIMULATORS; TRANSPORT AIRCRAFT; DIGITAL SYSTEMS; ENGINE CONTROL; THRUST CONTROL; BOEING 747 AIRCRAFT; BOEING 757 AIRCRAFT; MD 11 AIRCRAFT; C-17 AIRCRAFT; F-15 AIRCRAFT; COST REDUCTION

Development And Flight Test Of An Emergency Flight Control System Using Only Engine Thrust On An Md 11 Transport Airplane

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Author : Frank W. Burcham (Jr.)
language : en
Publisher:
Release Date : 1997

Development And Flight Test Of An Emergency Flight Control System Using Only Engine Thrust On An Md 11 Transport Airplane written by Frank W. Burcham (Jr.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.

Development And Flight Test Of An Emergency Flight Control System Using Only Engine Thrust On An Md 11 Transport Airplane

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Author : National Aeronautics and Space Adm Nasa
language : en
Publisher: Independently Published
Release Date : 2018-11-07

Development And Flight Test Of An Emergency Flight Control System Using Only Engine Thrust On An Md 11 Transport Airplane written by National Aeronautics and Space Adm Nasa and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-07 with Science categories.

An emergency flight control system that uses only engine thrust, called the propulsion-controlled aircraft (PCA) system, was developed and flight tested on an MD-11 airplane. The PCA system is a thrust-only control system, which augments pilot flightpath and track commands with aircraft feedback parameters to control engine thrust. The PCA system was implemented on the MD-11 airplane using only software modifications to existing computers. Results of a 25-hr flight test show that the PCA system can be used to fly to an airport and safely land a transport airplane with an inoperative flight control system. In up-and-away operation, the PCA system served as an acceptable autopilot capable of extended flight over a range of speeds, altitudes, and configurations. PCA approaches, go-arounds, and three landings without the use of any normal flight controls were demonstrated, including ILS-coupled hands-off landings. PCA operation was used to recover from an upset condition. The PCA system was also tested at altitude with all three hydraulic systems turned off. This paper reviews the principles of throttles-only flight control, a history of accidents or incidents in which some or all flight controls were lost, the MD-11 airplane and its systems, PCA system development, operation, flight testing, and pilot comments. Burcham, Frank W., Jr. and Burken, John J. and Maine, Trindel A. and Fullerton, C. Gordon Armstrong Flight Research Center...

Simulator Evaluation Of Simplified Propulsion Only Emergency Flight Control Systems On Transport Aircraft

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Author :
language : en
Publisher:
Release Date : 1999

Simulator Evaluation Of Simplified Propulsion Only Emergency Flight Control Systems On Transport Aircraft written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Aeronautics categories.

With the advent of digital engine control systems, considering the use of engine thrust for emergency flight control has become feasible. Many incidents have occurred in which engine thrust supplemented or replaced normal aircraft flight controls. In most of these cases, a crash has resulted, and more than 1100 lives have been lost. The NASA Dryden Flight Research Center has developed a propulsion-controlled aircraft (PCA) system in which computer-controlled engine thrust provides emergency flight control capability. Using this PCA system, an F-15 and an MD-11 airplane have been landed without using any flight controls. In simulations, C-17, B-757 and B-747 PCA systems have also been evaluated successfully. These tests used full-authority digital electronic control systems on the engines. Developing simpler PCA systems that can operate without full-authority engine control, thus allowing PCA technology to be installed on less capable airplanes or at lower cost, is also a desire. Studies have examined simplified "PCA Ultralite" concepts in which thrust control is provided using an autothrottle system supplemented by manual differential throttle control. Some of these concepts have worked well. The PCA Ultralite study results are presented for simulation tests of MD-11, B-757, C-17 and B-747 aircraft.

Development And Flight Test Of An Emergency Flight Control System Using Only Engine Thrust On An Md 11 Transport Airplane

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Author : Frank W. Burcham
language : en
Publisher:
Release Date : 1997

Development And Flight Test Of An Emergency Flight Control System Using Only Engine Thrust On An Md 11 Transport Airplane written by Frank W. Burcham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Emergencies categories.

An emergency flight control system that uses only engine thrust, called the propulsion-controlled aircraft (PCA) system, was developed and flight tested on an MD-11 airplane. The PCA system is a thrust-only control system, which augments pilot flightpath and track commands with aircraft feedback parameters to control engine thrust. The PCA system was implemented on the MD-11 airplane using only software modifications to existing computers. Results of a 25-hr flight test show that the PCA system can be used to fly to an airport and safely land a transport airplane with an inoperative flight control system. In up-and-away operation, the PCA system served as an acceptable autopilot capable of extended flight over a range of speeds, altitudes, and configurations. PCA approaches, go-arounds, and three landings without the use of any normal flight controls were demonstrated, including ILS-coupled hands-off landings. PCA operation was used to recover from an upset condition. The PCA system was also tested at altitude with all three hydraulic systems turned off. This paper reviews the principles of throttles-only flight control, a history of accidents or incidents in which some or all flight controls were lost, the MD-11 airplane and its systems, PCA system development, operation, flight testing, and pilot comments.

High Stability Engine Control Histec Flight Test Results Nasa Tm 1998 208481 Oct 26 1998

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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1999*

High Stability Engine Control Histec Flight Test Results Nasa Tm 1998 208481 Oct 26 1998 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999* with categories.