Experimental and theoretical study of vibrations of a cantilevered beam using a ZnO piezoelectric sensor

B. R. Jooste; H. J. Viljoen; S. L. Rohde; N. F.J. Van Rensburg

doi:10.1116/1.580377

Experimental and theoretical study of vibrations of a cantilevered beam using a ZnO piezoelectric sensor

B. R. Jooste, H. J. Viljoen, S. L. Rohde, N. F.J. Van Rensburg

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Piezoelectric sensors can measure vibrations of solid structures very accurately. A model of a cantilevered beam, with a ZnO film on one side is presented. Both viscous and internal damping are considered. The output of the sensor is modeled and matched with experimental results by adjusting the damping parameters. A theoretical formulation for damage is introduced. Experimental results for a damaged beam confirm the shift in frequencies to lower values. The model is used to identify the extent of the damage.

Original language	English (US)
Pages (from-to)	714-719
Number of pages	6
Journal	Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume	14
Issue number	3
DOIs	https://doi.org/10.1116/1.580377
State	Published - 1996

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films

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abstract = "Piezoelectric sensors can measure vibrations of solid structures very accurately. A model of a cantilevered beam, with a ZnO film on one side is presented. Both viscous and internal damping are considered. The output of the sensor is modeled and matched with experimental results by adjusting the damping parameters. A theoretical formulation for damage is introduced. Experimental results for a damaged beam confirm the shift in frequencies to lower values. The model is used to identify the extent of the damage.",

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AB - Piezoelectric sensors can measure vibrations of solid structures very accurately. A model of a cantilevered beam, with a ZnO film on one side is presented. Both viscous and internal damping are considered. The output of the sensor is modeled and matched with experimental results by adjusting the damping parameters. A theoretical formulation for damage is introduced. Experimental results for a damaged beam confirm the shift in frequencies to lower values. The model is used to identify the extent of the damage.

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Experimental and theoretical study of vibrations of a cantilevered beam using a ZnO piezoelectric sensor

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