ACTUATOR 2016 Manuscript P 41


Author: Hubert Borgmann
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Pages: 5
Language: English
Publication date: 26/07/2016
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Manuscript P 41 published in Conference Proceedings ACTUATOR 2016
Semi-Passive Vibration Control Technique via Shunting of Amplified Piezoelectric Actuators

G. Mikułowski, Institute of Fundamental Technological Research, Warsaw, Poland
M. Fournier, T. Porchez, C. Belly, F. Claeyssen
Cedrat Technologies SA, Meylan, France

Abstract:
The objective of this paper is to provide results of an experimental and analytical investigation of Amplified Piezoelectric Actuators (APA) as vibrational isolator in a configuration of a mechanical Single Degree of Freedom system. The investigation is aimed at assessment of the mechanical properties modification ability via shunting techniques. The investigation consist of a phenomenological modelling of the APAs considered as generators and experimental verification of the vibrational energy dissipation ability in frequency domain. The results obtained during this investigation reveal that it is feasible to receive more than 20 dB reduction of the displacement amplification in the resonant range. Moreover, three tested examples of APA reveal up to 9 % of resonant frequency shift due to proper adjustment of the electronic shunting circuit, which is an encouragement for further analyses towards application of the APAs in semi-passive vibration control applications.
El vendedor asume toda la responsabilidad de esta entrada.
Hubert Borgmann, MESSE BREMEN,
Project Manager ACTUATOR, International Conference and Exhibition on New Actuators and Drive Systems, Bremen, Germany, and Editor of the ACTUATOR Conference Proceedings (www.actuator.de)
Project Manager ITHEC, International Conference and Exhibition on Thermoplastic Composites, Bremen, Germany, and Editor of the ITHEC Conference Proceedings (www.ithec.de)

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