Feasibility Study of Passive Electromagnetic Dampers for Vibration Control of Stay Cables

Zhi Hao Wang; Guang Ping Hua

doi:10.4028/www.scientific.net/AMM.438-439.1141

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 438-439Feasibility Study of Passive Electromagnetic...

Feasibility Study of Passive Electromagnetic Dampers for Vibration Control of Stay Cables

Abstract:

Effective vibration control technology for stay cables is extremely critical to safe operations of cable-stayed bridges. This paper focuses on a new cable vibration control technology and introduces an electromagnetic damper being tested for its electrical performance. Control performance of a model cable attached with a passive electromagnetic damper was investigated in the laboratory. The test results show that modal damping ratios of the cable in the first four modes can be improved significantly with the electromagnetic damper. As such, advantages and feasibilities of this new cable vibration controlling system are finally demonstrated.

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Periodical:

Applied Mechanics and Materials (Volumes 438-439)

Pages:

1141-1144

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.438-439.1141

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Online since:

October 2013

Authors:

Zhi Hao Wang, Guang Ping Hua

Keywords:

Modal Damping Ratio, Passive Electromagnetic Damper, Stay Cable, Vibration Control

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References

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