elib
DLR-Header
DLR-Logo -> http://www.dlr.de
DLR Portal Home | Impressum | Datenschutz | Kontakt | English
Schriftgröße: [-] Text [+]

Active Flutter Suppression of a Highly Flexible Swept Wing through Multiple Flap Control

Waitz, Stefan (2022) Active Flutter Suppression of a Highly Flexible Swept Wing through Multiple Flap Control. In: 19th International Forum on Aeroelasticity and Structural Dynamics, IFASD 2022. International Forum on Aeroelasticity and Structural Dynamics (IFASD) 2022, 2022-06-13 - 2022-06-17, Madrid, Spanien. ISBN 978-840942353-8.

[img] PDF
1MB

Kurzfassung

Future commercial aircraft designs tend to light-weight wing structures for energy and cost saving reasons. The slenderness and flexibility of these higher aspect-ratio wings might show susceptibility not only to lower flutter flight speeds. Also, the danger of a larger number and variety (e.g. through sweep induced coupling) of potentially wing-dominated flutter modes is impending. The main objective of the submitted work is to depict a suitable control methodology, and show how dynamic stability of highly flexible wings can be achieved by actively influencing the aeroelastic behaviour of the overall deformed structure. On the prediction side, the design, build-up and analysis of aero-servoelastic simulation models become necessary. The incorporation of active control elements like sensors, actuators and controllers leads to closed-loop models. On simulation side, the strategic goal of this investigation is to reach the capability of completely erasing any kind of flutter occurrence, with no restrictions, neither in composition (e.g. heave, torsion, in-plane sway or flap dominated) nor in number (e.g. up to 4) of eigenmodes. The design of the controller transfer functions turned out to be crucial. In order to have the desired variety of eigenmodes at disposal, here a number of three configurations of the nominal generic wing design (baseline with five deflection-controlled flaps plus two modifications) underwent the analyses. By means of active flutter suppression (AFS), formerly unstable wing configurations could be transferred into aeroelastic stable flight conditions at any point of a potential flight envelope.

elib-URL des Eintrags:https://elib.dlr.de/188295/
Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Active Flutter Suppression of a Highly Flexible Swept Wing through Multiple Flap Control
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Waitz, Stefanstefan.waitz (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:Juni 2022
Erschienen in:19th International Forum on Aeroelasticity and Structural Dynamics, IFASD 2022
Referierte Publikation:Ja
Open Access:Ja
Gold Open Access:Nein
In SCOPUS:Ja
In ISI Web of Science:Nein
ISBN:978-840942353-8
Status:veröffentlicht
Stichwörter:Aeroelastic stability, active flutter suppression (AFS), aero-servoelasticity (ASE), flap control, slender wings, structural dynamics
Veranstaltungstitel:International Forum on Aeroelasticity and Structural Dynamics (IFASD) 2022
Veranstaltungsort:Madrid, Spanien
Veranstaltungsart:internationale Konferenz
Veranstaltungsbeginn:13 Juni 2022
Veranstaltungsende:17 Juni 2022
Veranstalter :UC3M
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Luftfahrt
HGF - Programmthema:Effizientes Luftfahrzeug
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L EV - Effizientes Luftfahrzeug
DLR - Teilgebiet (Projekt, Vorhaben):L - Virtuelles Flugzeug und Validierung
Standort: Göttingen
Institute & Einrichtungen:Institut für Aeroelastik > Aeroelastische Simulation
Hinterlegt von: Waitz, Dr.-Ing. Stefan
Hinterlegt am:15 Sep 2022 12:45
Letzte Änderung:24 Apr 2024 20:49

Nur für Mitarbeiter des Archivs: Kontrollseite des Eintrags

Blättern
Suchen
Hilfe & Kontakt
Informationen
electronic library verwendet EPrints 3.3.12
Gestaltung Webseite und Datenbank: Copyright © Deutsches Zentrum für Luft- und Raumfahrt (DLR). Alle Rechte vorbehalten.