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Conference Paper/Proceeding/Abstract 986 views

Active Control for Nonlinear Aeroelastic Systems

Shakir Jiffri Orcid Logo, Hamed Haddad Khodaparast Orcid Logo, Marinos Manolesos, Sebastiano Fichera

International Forum on Aeroelasticity and Structural Dynamics (IFASD 2019), Savannah, Georgia, USA. 10-13 June 2019., Volume: 1., Pages: 363 - 377

Swansea University Authors: Shakir Jiffri Orcid Logo, Hamed Haddad Khodaparast Orcid Logo, Marinos Manolesos

Abstract

The dynamic responses to aeroelastic gusts/manoeuvres play an important partacross much of the design and development of an aircraft and have an impact upon structuraldesign, aerodynamic characteristics, weight, flight control system design, control surfacedesign, and performance. They determine the...

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Published in: International Forum on Aeroelasticity and Structural Dynamics (IFASD 2019), Savannah, Georgia, USA. 10-13 June 2019.
ISBN: 978-1-7138-0800-8
Published: New York Curran Associates, Inc. 2020
Online Access: http://www.proceedings.com/53726.html
URI: https://cronfa.swan.ac.uk/Record/cronfa55474
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spelling 2020-12-18T18:22:20.9288328 v2 55474 2020-10-21 Active Control for Nonlinear Aeroelastic Systems 1d7a7d2a8f10ec98afed15a4b4b791c4 0000-0002-5570-5783 Shakir Jiffri Shakir Jiffri true false f207b17edda9c4c3ea074cbb7555efc1 0000-0002-3721-4980 Hamed Haddad Khodaparast Hamed Haddad Khodaparast true false 44a3e0d351ccd7a8365d5fc7c50c8778 Marinos Manolesos Marinos Manolesos true false 2020-10-21 AERO The dynamic responses to aeroelastic gusts/manoeuvres play an important partacross much of the design and development of an aircraft and have an impact upon structuraldesign, aerodynamic characteristics, weight, flight control system design, control surfacedesign, and performance. They determine the most extreme stress levels, fatigue damage, anddamage tolerance for a particular design. To this end, there has been great interest in efficientloads alleviation in aircraft structures.The ultimate aim of this project is to study the dynamic behaviour of a nonlinear aeroelasticsystem due to gust loads, and to investigate the use of linear/nonlinear active control with theaim of mitigating vibrations in the system, and reducing the aerodynamic loads that would, inthe real world, be introduced into the airframe. The present paper discusses the authors’existing research which will serve as the foundation for the aforementioned aim of the project.Implementation of techniques such as partial feedback linearisation, the combination in realtime of simulation-based and experimentally measured data during control – which weenvisage will play a vital role in the current project – are addressed, including results ofclosed-loop control of a pitch-plunge aerofoil. As the present research is ongoing – and anysignificant results are yet to be generated – this paper will present briefly the current statusand next steps planned for the project. Conference Paper/Proceeding/Abstract International Forum on Aeroelasticity and Structural Dynamics (IFASD 2019), Savannah, Georgia, USA. 10-13 June 2019. 1. 363 377 Curran Associates, Inc. New York 978-1-7138-0800-8 1 5 2020 2020-05-01 http://www.proceedings.com/53726.html AEROELASTICITY AND STRUCTURAL DYNAMICS. INTERNATIONAL FORUM COLLEGE NANME Aerospace Engineering COLLEGE CODE AERO Swansea University 2020-12-18T18:22:20.9288328 2020-10-21T16:25:45.5259720 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering Shakir Jiffri 0000-0002-5570-5783 1 Hamed Haddad Khodaparast 0000-0002-3721-4980 2 Marinos Manolesos 3 Sebastiano Fichera 4
title Active Control for Nonlinear Aeroelastic Systems
spellingShingle Active Control for Nonlinear Aeroelastic Systems
Shakir Jiffri
Hamed Haddad Khodaparast
Marinos Manolesos
title_short Active Control for Nonlinear Aeroelastic Systems
title_full Active Control for Nonlinear Aeroelastic Systems
title_fullStr Active Control for Nonlinear Aeroelastic Systems
title_full_unstemmed Active Control for Nonlinear Aeroelastic Systems
title_sort Active Control for Nonlinear Aeroelastic Systems
author_id_str_mv 1d7a7d2a8f10ec98afed15a4b4b791c4
f207b17edda9c4c3ea074cbb7555efc1
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author_id_fullname_str_mv 1d7a7d2a8f10ec98afed15a4b4b791c4_***_Shakir Jiffri
f207b17edda9c4c3ea074cbb7555efc1_***_Hamed Haddad Khodaparast
44a3e0d351ccd7a8365d5fc7c50c8778_***_Marinos Manolesos
author Shakir Jiffri
Hamed Haddad Khodaparast
Marinos Manolesos
author2 Shakir Jiffri
Hamed Haddad Khodaparast
Marinos Manolesos
Sebastiano Fichera
format Conference Paper/Proceeding/Abstract
container_title International Forum on Aeroelasticity and Structural Dynamics (IFASD 2019), Savannah, Georgia, USA. 10-13 June 2019.
container_volume 1.
container_start_page 363
publishDate 2020
institution Swansea University
isbn 978-1-7138-0800-8
publisher Curran Associates, Inc.
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering
url http://www.proceedings.com/53726.html
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description The dynamic responses to aeroelastic gusts/manoeuvres play an important partacross much of the design and development of an aircraft and have an impact upon structuraldesign, aerodynamic characteristics, weight, flight control system design, control surfacedesign, and performance. They determine the most extreme stress levels, fatigue damage, anddamage tolerance for a particular design. To this end, there has been great interest in efficientloads alleviation in aircraft structures.The ultimate aim of this project is to study the dynamic behaviour of a nonlinear aeroelasticsystem due to gust loads, and to investigate the use of linear/nonlinear active control with theaim of mitigating vibrations in the system, and reducing the aerodynamic loads that would, inthe real world, be introduced into the airframe. The present paper discusses the authors’existing research which will serve as the foundation for the aforementioned aim of the project.Implementation of techniques such as partial feedback linearisation, the combination in realtime of simulation-based and experimentally measured data during control – which weenvisage will play a vital role in the current project – are addressed, including results ofclosed-loop control of a pitch-plunge aerofoil. As the present research is ongoing – and anysignificant results are yet to be generated – this paper will present briefly the current statusand next steps planned for the project.
published_date 2020-05-01T04:09:42Z
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