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Active Vibration Control Systems as Prototyping Tools for Passive Vibration Absorbers

Knake-Langhorst, Sascha and Bohn, Christian and Karkosch, Hans-Jürgen and Marienfeld, Peter Michael (2006) Active Vibration Control Systems as Prototyping Tools for Passive Vibration Absorbers. In: IEEE International Conference on Computer Aided Control Design. IEEE Joint CCA, ISIC and CACSD 2006, 2006-10-04 - 2006-10-06, München.

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Vibration absorbers are a well established method to reduce structural vibrations. Designing a vibration absorber consists of selecting its mechanical properties. In the automotive industry, the final design phase usually comprises extensive tests with different absorbers in the vehicle and subjective and objective evaluation of the results. This requires hardware modifications between different tests. In this paper, an approach is suggested that can assist in the development of vibration absorbers. It is based on tuning an active vibration control system such that it reproduces the behavior of a specified vibration absorber. This behavior can then be changed electronically without modifying the hardware. Two different control approaches are compared. In the first approach, the apparent physical properties of a vibration absorber are directly modified through well-known acceleration, velocity or displacement feedback structures. In the second approach, a desired dynamic mass transfer function for the vibration absorber is prescribed and an H2-norm optimal model matching problem is solved. Both approaches are straightforward from a theoretical point of view, however, some problems occurred during the practical implementation. Along with the results, these problems and related ad-hoc modifications are discussed.

Item URL in elib:https://elib.dlr.de/45280/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Active Vibration Control Systems as Prototyping Tools for Passive Vibration Absorbers
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Karkosch, Hans-JürgenContiTech Vibration Control GmbHUNSPECIFIEDUNSPECIFIED
Marienfeld, Peter MichaelContiTech Vibration Control GmbHUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:IEEE International Conference on Computer Aided Control Design
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
EditorsEmailEditor's ORCID iDORCID Put Code
Keywords:Computer-aided control design, Automotive applications, Identification
Event Title:IEEE Joint CCA, ISIC and CACSD 2006
Event Location:München
Event Type:international Conference
Event Dates:2006-10-04 - 2006-10-06
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 Transportation Systems > Automotive
Deposited By: Knake-Langhorst, Sascha
Deposited On:11 Nov 2008
Last Modified:14 Jan 2010 23:40

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