Application of Digital Videometrics in the Vibration Test of Suspension Cable

Sheng Hong Fan; Zhi Yang Gou; Ya Jun Wu; Cong Li; Qiang Wang; Xiao Tong Qi

doi:10.4028/www.scientific.net/AMM.333-335.2401

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 333-335Application of Digital Videometrics in the...

Application of Digital Videometrics in the Vibration Test of Suspension Cable

Abstract:

This paper devotes to vibration test based on digital videometrics. The new non-contact measuring technology has good dynamic performance and high accuracy. It is applied to the suspension cable of an indoor scaled model of FAST telescope and successfully gets the identified modal parameters such as natural frequency and damping ratio. Special focus is put on the principle of digital videometrics and the testlayout. Besides, the related signal processing before parameter identification is also discussed.

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Periodical:

Applied Mechanics and Materials (Volumes 333-335)

Pages:

2401-2406

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.333-335.2401

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Online since:

July 2013

Authors:

Sheng Hong Fan, Zhi Yang Gou, Ya Jun Wu, Cong Li, Qiang Wang, Xiao Tong Qi

Keywords:

Digital Videometrics, FAST Telescope, Parameter Identification, Suspension Cable, Vibration Test

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References

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