A System Look At Electromechanical Actuation For Primary Flight Control
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A System Look At Electromechanical Actuation For Primary Flight Control
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Author : E. A. Lomonova
language : en
Publisher:
Release Date : 1997
A System Look At Electromechanical Actuation For Primary Flight Control written by E. A. Lomonova and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Actuators categories.
Thermal Management Of Electromechanical Actuation System For Aircraft Primary Flight Control Surfaces
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Author : Zachary A. Lammers
language : en
Publisher:
Release Date : 2014
Thermal Management Of Electromechanical Actuation System For Aircraft Primary Flight Control Surfaces written by Zachary A. Lammers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Actuators categories.
Electromechanical Actuation Systems (EMAS) are a key component in the More Electric Aircraft (MEA). EMAS operate on a "power on demand" basis reducing energy consumption typically required by hydraulic systems to maintain hydraulic pressure. Additionally, EMAS reduce system weight; lessening system maintenance and operating costs. EMAS convert electrical energy to mechanical energy via an electric rotary machine combined with a rotary to linear or rotary to rotary conversion mechanism. Electrical energy required to complete useful mechanical output depends on the efficiency of the system. Therefore, it is important to characterize electrical and thermal loads associated with an EMAS for primary flight control surfaces, such as an aileron. Electric power draw and thermal management are among the most important parameters of research in electromehcanical actuation for a primary flight control (PFC) surface. The aim of this thesis was to build an experimental EMAS system and methodology to analyze EMAS performance against realistic duty cycles and mission environments. Thermal energy in addition to the rate of change of temperature and temperature difference for temperature sensitive components was used to determine the most thermally malignant profiles and potential thermal design points. It was found that transient missions of an EMAS presented the greatest electric demand of the aircraft electric power supply system, and holding presented the greatest thermal stress of the EMAS, where the EMAS operated at 0% efficiency and all electric power was converted to heat.
Aerospace Flight Control Systems
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Author : Wayne Stout, Phd
language : en
Publisher: DesignAerospace LLC
Release Date : 2018-01-15
Aerospace Flight Control Systems written by Wayne Stout, Phd and has been published by DesignAerospace LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-15 with Technology & Engineering categories.
This book covers aerospace flight control systems. Both primary and secondary flight control systems are covered in the book. The first chapters cover basic mechanism fundamentals that are relevant to flight control systems. Next is chapters on cable systems, gearing systems and power screws. Hydraulic and electromechanical actuation are also discussed. From here, the book addresses general aspects of flight control systems, including fly by wire systems. After this secondary systems (high lift, spoilers, trim) and primary flight control for each axis are discussed - each in stand-alone chapters. Reversible, irreversible and fly by wire systems are discussed for each axis. The final chapter goes into system fault detection.
Advanced Electromechanical Actuation System Emas Flight Test
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Author :
language : en
Publisher:
Release Date : 1986
Advanced Electromechanical Actuation System Emas Flight Test written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
The EMAS flight test project successfully demonstrated, for the first time, the electrical actuation of a primary flight control surface in flight. This test was a major step toward the realization of the All-Electric Airplane (AEA) concept. An electric actuator was installed in a modified C-141A aircraft to power the left aileron. Testing included ground and flight trials to ensure unchanged control system damping. Aircraft roll performance tests included maximum effort rolls, degraded system rolls, and autopilot rolls. Sideslip and trim test points were also performed. It was verified that EMAS performance was similar to the normal hydraulic actuator. Results include lessons on aircraft modification, general system characteristics, maintenance factors, and compatibility with other aircraft systems that may influence future installations. Keywords: Electromechanical actuation system; Ailerons; Flight controls; Damping.
Digital Flight Control Actuation System Study
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Author :
language : en
Publisher:
Release Date : 1974
Digital Flight Control Actuation System Study written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.
Electro Mechanical Actuators For The More Electric Aircraft
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Author : Mirko Mazzoleni
language : en
Publisher: Springer Nature
Release Date : 2021-01-19
Electro Mechanical Actuators For The More Electric Aircraft written by Mirko Mazzoleni and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-19 with Technology & Engineering categories.
This book presents recent results on fault diagnosis and condition monitoring of airborne electromechanical actuators, illustrating both algorithmic and hardware design solutions to enhance the reliability of onboard more electric aircraft. The book begins with an introduction to the current trends in the development of electrically powered actuation systems for aerospace applications. Practical examples are proposed to help present approaches to reliability, availability, maintainability and safety analysis of airborne equipment. The terminology and main strategies for fault diagnosis and condition monitoring are then reviewed. The core of the book focuses on the presentation of relevant case studies of fault diagnosis and monitoring design for airborne electromechanical actuators, using different techniques. The last part of the book is devoted to a summary of lessons learned and practical suggestions for the design of fault diagnosis solutions of complex airborne systems. The book is written with the idea of providing practical guidelines on the development of fault diagnosis and monitoring algorithms for airborne electromechanical actuators. It will be of interest to practitioners in aerospace, mechanical, electronic, reliability and systems engineering, as well as researchers and postgraduates interested in dynamical systems, automatic control and safety-critical systems. Advances in Industrial Control reports and encourages 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.
Primary Flight Control Hydraulic Actuation System Interface Definition
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Author : A-6A3 Flight Control and Vehicle Management Systems Cmt
language : en
Publisher:
Release Date : 2015
Primary Flight Control Hydraulic Actuation System Interface Definition written by A-6A3 Flight Control and Vehicle Management Systems Cmt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
This SAE Aerospace Information Report (AIR) provides a description of the interfaces and their requirements for generic and specific hydraulic actuation systems used in the flight control systems of manned aircraft. Included are the basic control system characteristics and functional requirements, and the essential interfaces (structural, mechanical, hydraulic power, control input, status monitoring, and environment). Major design issues, requirements, and other considerations are presented and discussed. This document contains information addressing aspects of technology that are not currently undergoing substantial development.
Advanced Electromechanical Actuation System Emas Development And Flight Test C 141 Aircraft Demonstration
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Author : T. Mark Bailey
language : en
Publisher:
Release Date : 1988
Advanced Electromechanical Actuation System Emas Development And Flight Test C 141 Aircraft Demonstration written by T. Mark Bailey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Actuators categories.
Electro Mechanical Actuators For The More Electric Aircraft
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Author : Mirko Mazzoleni
language : en
Publisher: Springer
Release Date : 2022-01-20
Electro Mechanical Actuators For The More Electric Aircraft written by Mirko Mazzoleni and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-20 with Technology & Engineering categories.
This book presents recent results on fault diagnosis and condition monitoring of airborne electromechanical actuators, illustrating both algorithmic and hardware design solutions to enhance the reliability of onboard more electric aircraft. The book begins with an introduction to the current trends in the development of electrically powered actuation systems for aerospace applications. Practical examples are proposed to help present approaches to reliability, availability, maintainability and safety analysis of airborne equipment. The terminology and main strategies for fault diagnosis and condition monitoring are then reviewed. The core of the book focuses on the presentation of relevant case studies of fault diagnosis and monitoring design for airborne electromechanical actuators, using different techniques. The last part of the book is devoted to a summary of lessons learned and practical suggestions for the design of fault diagnosis solutions of complex airborne systems. The book is written with the idea of providing practical guidelines on the development of fault diagnosis and monitoring algorithms for airborne electromechanical actuators. It will be of interest to practitioners in aerospace, mechanical, electronic, reliability and systems engineering, as well as researchers and postgraduates interested in dynamical systems, automatic control and safety-critical systems. Advances in Industrial Control reports and encourages 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.
Aircraft Flight Control Actuation System Failure Detection Methods
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Author : A-6A3 Flight Control and Vehicle Management Systems Cmt
language : en
Publisher:
Release Date : 2022
Aircraft Flight Control Actuation System Failure Detection Methods written by A-6A3 Flight Control and Vehicle Management Systems Cmt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.
This SAE Aerospace Information Report (AIR) provides descriptions of aircraft flight control actuation system failure-detection methods. The fault-detection methods are those used for ground and in-flight detection of failures in electrohydraulic actuation systems for primary flight controls. This SAE Aerospace Information Report (AIR) is revised following a set of evolving requirements over the last 20 years since it has been originally published.