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Monitoring of Delamination of the CFRP Beam by the Smart Structure System Using the SI-F Method

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Abstract:

The structure with the sensor and the actuator is called Smart Structure. Installation of the sensor and the actuator to the structure enables the automatic damage detection. In this paper, a novel damage detection method called “SI-F method” is applied to the Smart Structure to detect the delamination in the CFRP beam. The artificial delamination in the CFRP is introduced by the out-of-plane bending. CFRP beam will be exited by the PZT actuator, and the strain of the surface will be measured by the strain gauge. As the result, the delamination is successfully detected by varying the condition of the excitation.

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Periodical:

Key Engineering Materials (Volumes 353-358)

Pages:

1427-1430

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.353-358.1427

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Cite this paper

Online since:

September 2007

Authors:

K. Yuguchi, Atsushi Iwasaki, Yoshinobu Shimamura, Akira Todoroki

Keywords:

Delamination, SI-F Method, Smart Structure, Structural Health Monitoring (SHM)

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] A. Iwasaki, A. Todoroki, T. Sugiya, S. Izumi, S. Sakai, Unsupervised statistical damage diagnosis for structural health monitoring of existing civil structures, Smart Mater. Struct. 14 (2005), pp.154-161.

DOI: 10.1088/0964-1726/14/3/018

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