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Optimal tuning of shunt parameters for lateral beam vibration attenuation with three collocated piezoelectric stack transducers

Götz, Benedict ; Heuss, Oliver ; Platz, Roland ; Melz, Tobias (2022):
Optimal tuning of shunt parameters for lateral beam vibration attenuation with three collocated piezoelectric stack transducers. (Publisher's Version)
Darmstadt, University of Sheffield, EACS 2016 – 6th European Conference on Structural Control, Sheffield, England, 11.-13.07.2016, DOI: 10.26083/tuprints-00020457,
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Item Type: Conference or Workshop Item
Origin: Secondary publication service
Status: Publisher's Version
Title: Optimal tuning of shunt parameters for lateral beam vibration attenuation with three collocated piezoelectric stack transducers
Language: English
Abstract:

Structural vibration may occur in mechanical systems leading to fatigue, reduced durability or undesirable noise. In this context, shunting piezoelectric transducers to RL-shunts can be an appropriate measure for attenuating lateral beam vibrations. The achieved vibration attenuation significantly depends on an adequate tuning of the shunt to the structural resonance mode. In this paper, an existing method for resonant shunt circuit tuning based on electrical impedances is extended for lateral vibration attenuation of the first mechanical mode of a beam with circular cross-section and three collocated resonantly shunted stack transducers. It is shown by numerical simulation that a presented electrical impedance model including only the first beam mode can be used for the shunt parameter optimization if higher beam modes are taken into account.

Place of Publication: Darmstadt
Publisher: University of Sheffield
Collation: 12 Seiten
Classification DDC: 600 Technik, Medizin, angewandte Wissenschaften > 600 Technik
600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Divisions: 16 Department of Mechanical Engineering > Research group System Reliability, Adaptive Structures, and Machine Acoustics (SAM)
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 805: Control of Uncertainty in Load-Carrying Structures in Mechanical Engineering
Event Title: EACS 2016 – 6th European Conference on Structural Control
Event Location: Sheffield, England
Event Dates: 11.-13.07.2016
Date Deposited: 10 Feb 2022 13:24
Last Modified: 10 Feb 2022 13:24
DOI: 10.26083/tuprints-00020457
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-204572
Additional Information:

KEYWORDS: piezoelectric shunt damping, integrated piezoelectric transducers, electromechanical impedance, numerical optimization

URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/20457
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