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Structural vibration control using resistively shunted piezoceramics

Kandagal, SB and Venkatraman, K (2002) Structural vibration control using resistively shunted piezoceramics. In: Structural Engineering & Mechanics, 14 (5). pp. 521-542.

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Application of piezoceramic materials in actuation and sensing of vibration is of current interest. Potential and more popular applications of piezoceramics are probably in the field of active vibration control. However, the objective of this work is to investigate the effect of shunted piezoceramics as passive vibration control devices when bonded to a host structure. Resistive shunting of a piezoceramic bonded to a cantilevered duralumin beam has been investigated. The piezoceramic is connected in parallel to an electrical network comprising of resistors and inductors. The piezoceramic is a capacitor that stores and discharges electrical energy that is transformed from the mechanical motion of the structure to which it is bonded. A resistor across the piezoceramic would be termed as a resistively shunted piezoceramic. Similarly, an inductor across the piezoceramic is termed as a resonantly shunted piezoceramic. In this study, the effect of resistive shunting on the nature of damping enhancement to the host structure has been investigated. Analytical studies are presented along with experimental results.

Item Type: Journal Article
Publication: Structural Engineering & Mechanics
Publisher: TechnoPress
Additional Information: Copyright of this article belongs to TechnoPress.
Keywords: vibration control;piezoceramic;resistive shunting
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 28 Jul 2011 06:13
Last Modified: 28 Jul 2011 06:13
URI: http://eprints.iisc.ac.in/id/eprint/39418

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