Research on Damage Alarming Method of Structures Based on Information Statistics in Frequency Domain

Yan Sheng Song; Zong Guang Sun; Hong Hai

doi:10.4028/www.scientific.net/AMM.105-107.770

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 105-107Research on Damage Alarming Method of Structures...

Research on Damage Alarming Method of Structures Based on Information Statistics in Frequency Domain

Abstract:

This paper demonstrates the feasibility of a new structural damage alarming method based on statistics. The abnormal index was introduced to analyze the benchmark structure in frequency domain. The results show the abnormal index defined in sense of statistics indicates the abnormity of corresponding test cases clearly.

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Periodical:

Applied Mechanics and Materials (Volumes 105-107)

Pages:

770-773

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.105-107.770

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Online since:

September 2011

Authors:

Yan Sheng Song, Zong Guang Sun, Hong Hai

Keywords:

Benchmark Structure, Damage Alarming, Frequency, Statistics, Structural Health Monitoring (SHM)

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References

[1] Z.G. Sun: Vibration-based Damage Detection of Cable-stayed Bridge Structures (Ph.D., Zhejiang University, China 2001)

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[2] Z.G. Sun and Y.S. Song: Third China-Japan-US Symposium on Structural Health Monitoring and Control (Dalian, China, 2004), p.215.

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[3] C.J. Black and C.E. Ventura: The 16th International Modal Analysis Conference (IMAC XVI), (Santa Barbara, California, 1998), p.626.

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[4] Y.S. Song: Research on the Damage Alarming Method of Structure Based on the Statistic of Information in Frequency Domain (MS, Shenyang Jianzhu University, China 2005)

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