Using Engine Thrust For Emergency Flight Control
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Using Engine Thrust For Emergency Flight Control
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Author : NASA Dryden Flight Research Center
language : en
Publisher:
Release Date : 1998
Using Engine Thrust For Emergency Flight Control written by NASA Dryden Flight Research Center and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Aeronautics categories.
With modern digital control systems, using engine thrust for emergency flight control to supplement or replace failed aircraft normal flight controls has become a practical consideration. The NASA Dryden Flight Research Center has developed a propulsion-controlled aircraft (PCA) system in which computer-controlled engine thrust provides emergency flight control. An F-15 and an MD-11 airplane have been landed without using any flight control surfaces. Preliminary studies have also been conducted that show that engines on only one wing can provide some flight control capability if the lateral center of gravity can be shifted toward the side of the airplane that has the operating engine(s). Simulator tests of several airplanes with no flight control surfaces operating and all engines out on the left wing have all shown positive control capability within the available range of lateral center-of-gravity offset. Propulsion-controlled aircraft systems that can operate without modifications to engine control systems, thus allowing PCA technology to be installed on less capable airplanes or at low cost, are also desirable. Further studies have examined simplified "PCA Lite" and "PCA Ultralite" concepts in which thrust control is provided by existing systems such as autothrottles or a combination of existing systems and manual pilot control.
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.
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.
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.
Fault Tolerant Flight Control
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Author : Christopher Edwards
language : en
Publisher: Springer
Release Date : 2010-04-18
Fault Tolerant Flight Control written by Christopher Edwards and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-04-18 with Technology & Engineering categories.
Written by leading experts in the field, this book provides the state-of-the-art in terms of fault tolerant control applicable to civil aircraft. The book consists of five parts and includes online material.
Fault Detection And Fault Tolerant Control Using Sliding Modes
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Author : Halim Alwi
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-06-07
Fault Detection And Fault Tolerant Control Using Sliding Modes written by Halim Alwi 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 2011-06-07 with Technology & Engineering categories.
Fault Detection and Fault-tolerant Control Using Sliding Modes is the first text dedicated to showing the latest developments in the use of sliding-mode concepts for fault detection and isolation (FDI) and fault-tolerant control in dynamical engineering systems. It begins with an introduction to the basic concepts of sliding modes to provide a background to the field. This is followed by chapters that describe the use and design of sliding-mode observers for FDI using robust fault reconstruction. The development of a class of sliding-mode observers is described from first principles through to the latest schemes that circumvent minimum-phase and relative-degree conditions. Recent developments have shown that the field of fault tolerant control is a natural application of the well-known robustness properties of sliding-mode control. A family of sliding-mode control designs incorporating control allocation, which can deal with actuator failures directly by exploiting redundancy, is presented. Various realistic case studies, specifically highlighting aircraft systems and including results from the implementation of these designs on a motion flight simulator, are described. A reference and guide for researchers in fault detection and fault-tolerant control, this book will also be of interest to graduate students working with nonlinear systems and with sliding modes in particular. Advances in Industrial Control aims to report and encourage the transfer of technology in control engineering. The rapid development of control technology has an impact on all areas of the control discipline. The series offers an opportunity for researchers to present an extended exposition of new work in all aspects of industrial control.
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.
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 Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-08
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 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 2018-07-08 with 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...
Advances In Guidance Navigation And Control
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Author : Liang Yan
language : en
Publisher: Springer Nature
Release Date : 2025-03-02
Advances In Guidance Navigation And Control written by Liang Yan and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-03-02 with Technology & Engineering categories.
This book features the latest theoretical results and techniques in the field of guidance, navigation, and control (GNC) of vehicles and aircrafts. It covers a wide range of topics, including but not limited to, intelligent computing communication and control; new methods of navigation, estimation, and tracking; control of multiple moving objects; manned and autonomous unmanned systems; guidance, navigation, and control of miniature aircraft; and sensor systems for guidance, navigation and control, etc. Presenting recent advances in the form of illustrations, tables, and text, it also provides detailed information of a number of the studies, to offer readers insights for their own research. In addition, the book addresses fundamental concepts and studies in the development of GNC, making it a valuable resource for both beginners and researchers wanting to further their understanding of guidance, navigation, and control.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.