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On The Stability Of Decentralized AVC/ASAC For Large-Scale Structures

Algermissen, Stephan and Monner, Hans Peter (2016) On The Stability Of Decentralized AVC/ASAC For Large-Scale Structures. Journal of Intelligent Material Systems and Structures. SAGE Publications. ISSN 1045-389X.

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Promising results have been achieved in controlling vibration and noise emission/transmission of single panel structures using Active Vibration Control (AVC) and Active Structural Acoustic Control (ASAC). In most cases the contributed work has focused on a single panel or a section of the fuselage/lining. However, an AVC/ASAC system can only be effective when it is expanded to the entire fuselage structure. This expansion inevitably leads to a large number of sensors and actuators. For model-based control approaches especially, the system identification and the proof-of-stability would be challenging and probably not realizable. In this paper a strategy for such large-scale problems is investigated. A decentralized control approach with collocated actuator-sensor pairs is proposed. Since adjacent control loops are highly coupled by the underlying structure, Special attention has to be given to the global stability of the entire control system. Instead of proving local stability and Setting a global master gain, a method for the tuning of the single collocated control loops is developed that takes the cross-couplings into account. Based on data of DLR’s experimental aircraft Dornier 728, it can be shown that the new method increases the performance of the control system compared to the master-gain method.

Item URL in elib:https://elib.dlr.de/107819/
Document Type:Article
Title:On The Stability Of Decentralized AVC/ASAC For Large-Scale Structures
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Journal or Publication Title:Journal of Intelligent Material Systems and Structures
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
EditorsEmailEditor's ORCID iD
Publisher:SAGE Publications
Keywords:smart structures, stability, large-scale structures, control
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems and Cabin (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Adaptronics
Deposited By: Algermissen, Dr.-Ing. Stephan
Deposited On:15 Nov 2016 12:25
Last Modified:15 Nov 2016 12:26

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