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Entwurf und Implementierung von adaptiven Störgrößenaufschaltungen zur aktiven Reduktion von breitbandigen, räumlich inkohärenten Strukturschwingungen (Studienarbeit)

Haase, Thomas and Misol, Malte (2009) Entwurf und Implementierung von adaptiven Störgrößenaufschaltungen zur aktiven Reduktion von breitbandigen, räumlich inkohärenten Strukturschwingungen (Studienarbeit). DLR-Interner Bericht. DLR-IB 131-2009/31, 92 S.

Full text not available from this repository.

Abstract

To reduce broadband disturbances active feedforward control systems become more and more popular. The feedforward control system uses the Filtered X-LMS algorithm to calculate the coef-ficients of a digital filter, with the aim to minimize the disturbance. The reference signals of the feedforward control system have a great influence on the convergence speed and the disturbance cancellation. An effective method to preprocess the reference signals is the Virtual Noise Source Theory (VNST). These preprocessed reference signals have improved characteristics in compari-son to the original reference signals. This thesis introduces the VNST and determines the imple-mentation of the VNST in the feedforward control system by a state space model. The last part of this thesis discusses two theoretical experiments, which will demonstrate the potential of the VNST.

Item URL in elib:https://elib.dlr.de/61969/
Document Type:Monograph (DLR-Interner Bericht)
Title:Entwurf und Implementierung von adaptiven Störgrößenaufschaltungen zur aktiven Reduktion von breitbandigen, räumlich inkohärenten Strukturschwingungen (Studienarbeit)
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Haase, ThomasUNSPECIFIEDUNSPECIFIED
Misol, MalteUNSPECIFIEDUNSPECIFIED
Date:December 2009
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:92
Keywords:FxLMS, Virtual Noise Source Theory, Multiple-Reference, Adaptive Feed-Forward Control
Institution:Otto-von-Guericke-Universität Magdeburg
Department:Fakultät für Maschinenbau
HGF - Research field:other
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:no assignment
DLR - Program:no assignment
DLR - Research theme (Project):no assignment
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Adaptronics
Deposited By: Ries, Doris
Deposited On:17 Dec 2009 12:00
Last Modified:17 Dec 2009 12:00

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