DLR-Logo -> http://www.dlr.de
DLR Portal Home | Imprint | Privacy Policy | Contact | Deutsch
Fontsize: [-] Text [+]

Development and Experimental Application of a Pre-Design Tool for Active Noise and Vibration Reduction Systems

Heintze, Olaf and Rose, Michael and Algermissen, Stephan and Misol, Malte (2009) Development and Experimental Application of a Pre-Design Tool for Active Noise and Vibration Reduction Systems. ACTIVE 2009, 2009-08-20 - 2009-08-22, Ottawa, Kanada.

Full text not available from this repository.


Typical challenges in the design of active systems for noise and vibration reduction applied to large lightweight structures are complex material systems under distributed and stochastically varying loading. Having a limited set of actuators and sensors available, it is required in the pre-design process to derive an optimal system performance with respect to above mentioned boundary conditions. Therefore, a pre-design tool has been developed that numerically computes an actuator placement based on a structural model derived from either finite-element models or experimental system identification. It furthermore accounts for flat and simply curved plates with loading of multiple point forces or diffuse sound fields. A model for piezoceramic actuators is implemented and a modal correction method applied to account for its effect to the structural model. Subsequently, a genetic algorithm is utilized for actuator placement with respect to sound radiation or average vibration level as well as the actuators power consumption. Based on the derived actuator placement, the patches are applied on a stiffened carbon fiber reinforced plastic panel mounted in a transmission test facility. Control objective is the reduction of sound transmission by manipulating vibrations of the panel. Different feed-forward and feedback control concepts are considered and implemented.

Item URL in elib:https://elib.dlr.de/83639/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Development and Experimental Application of a Pre-Design Tool for Active Noise and Vibration Reduction Systems
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:August 2009
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:active vibration reduction, active noise reduction, adaptive control
Event Title:ACTIVE 2009
Event Location:Ottawa, Kanada
Event Type:international Conference
Event Start Date:20 August 2009
Event End Date:22 August 2009
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures & Materials (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Adaptronics
Deposited By: Böhringer-Thelen, Isolde
Deposited On:05 Aug 2013 10:19
Last Modified:24 Apr 2024 19:49

Repository Staff Only: item control page

Help & Contact
electronic library is running on EPrints 3.3.12
Website and database design: Copyright © German Aerospace Center (DLR). All rights reserved.