Vibration Control of Beams with Negative Capacitive Shunting of Interdigital Electrode Piezoceramics-Reference-Cited by-同舟云学术

Vibration Control of Beams with Negative Capacitive Shunting of Interdigital Electrode Piezoceramics

Published:2005-03 Issue:3 Volume:11 Page:331-346
ISSN:1077-5463
Container-title:Journal of Vibration and Control
language:en
Short-container-title:Journal of Vibration and Control

Author:

Park Chul H.¹,Baz Amr²

Affiliation:

1. Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, Korea 790-784

2. Mechanical Engineering Department, University of Maryland, College Park, MD 20742, USA

Abstract

A pair of interdigital electrode (IDE) piezoceramics is used to simultaneously suppress multimode vibrations of a cantilevered beam. This is achieved by connecting the IDE piezoceramics in parallel to a negative capacitive shunt circuit. The governing equations of motion of an IDE piezo/beam system and associated boundary conditions are derived using the Hamilton principle. The obtained mathematical model is validated experimentally Attenuations ranging between 5 and 20 dB are obtained for all the vibration modes over the frequency range of 0-3000 Hz. The presented theoretical and experimental techniques provide invaluable tools for designing simple and effective passive vibration dampers for structures with closely packed modes.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Mechanics of Materials,Aerospace Engineering,Automotive Engineering,General Materials Science

Link

http://journals.sagepub.com/doi/pdf/10.1177/107754605040949

Reference10 articles.

1. Damping of structural vibrations with piezoelectric materials and passive electrical networks

2. Modelling of Piezoelectric Actuator Dynamics for Active Structural Control

3. Multimodal Passive Vibration Suppression with Piezoelectric Materials and Resonant Shunts

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