DGLR-Publikationsdatenbank - Detailansicht
Titel:
Active Control of noise in Jet Aircraft Using a Fast Multi-Reference Control Algorithm
Autor(en):
E. Doppenberg
Zusammenfassung:
An improved control system has been developed to actively control the complicated interior sound field of a jet aircraft. The most important ability of the system is that it limits the loss of the noise reduction to a specified ratio, even when the rpm differences of the engine shafts are small during a sweep. To achieve this performance the response of the system has to be less sensitive to the vibro-acoustic modes of the cabin acoustics. One of the possible solutions to this problem is applying an additional feedback path in the contoller to design the overall closed-loop behavior of the control system with a quick response. This is already investigated for a Single-Input-SingleOutput active noise system and studied in this paper for Multi-Input-Multi-Output system. Preliminary results show that this approach seems to be promising.
Veranstaltung:
First Joint CEAS/AIAA Aeroacoustics Conference, München, 1995
Medientyp:
Conference Paper
Sprache:
englisch
Format:
21,0 x 29,7 cm, 9 Seiten
Veröffentlicht:
DGLR-Bericht, 1995, 1995-01, First Joint CEAS/AIAA Aeroacoustics Conference - Proceedings; S.643-651; 1995; Deutsche Gesellschaft für Luft- und Raumfahrt - Lilienthal-Oberth e.V., Bonn
Preis:
NA
ISBN:
ISSN:
Kommentar:
Klassifikation:
Stichworte zum Inhalt:
aeroacoustics
Verfügbarkeit:
Bibliothek
Veröffentlicht:
1995
Dieses Dokument ist Teil einer übergeordneten Publikation:
First Joint CEAS/AIAA Aeroacoustics Conference - Proceedings