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  3. Vol. 6 No. 3 (2002)
  4. A DESIGN OF PIEZOELECTRIC VIBRATION ABSORBER WITH THE CAPACITIVE ADJUSTMENT

A DESIGN OF PIEZOELECTRIC VIBRATION ABSORBER WITH THE CAPACITIVE ADJUSTMENT

Abstract

In the paper the problem of vibration damping via piezoelectric absorbers capacitively shunted is studied. The considered system is a simply supported beam with the absorber composed of piezoceramic patches joined by means of brackets in a uniform distance from the beam surface, symmetrically on both sides of the beam. Due to the applied damping strategy piezoceramic actuators are shunted with a changeable capacitor in the external circuit to tune the resonance frequencies of the system. The analysis is completed with results of numerical simulations.

Keywords:

vibrations, semi-active damping, piezoelectric absorber, capacitive shunting

Details

Issue
Vol. 6 No. 3 (2002)
Section
Research article
Published
2002-09-30
Licencja:
Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Author Biography

MAREK PIETRZAKOWSKI,
Warsaw University of Technology, Institute of Machine Design Fundamentals



Authors

MAREK PIETRZAKOWSKI

Warsaw University of Technology, Institute of Machine Design Fundamentals

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