Optimization and measurement of eddy current damping applied in a tuned mass damper

Beek, T. A. van; Pluk, K. J. W.; Jansen, J.W.; Lomonova, E. A.

doi:10.1109/icelmach.2014.6960243

Cited by 3 publications

(2 citation statements)

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“…ECDs can generate an electromagnetic force to hinder structural movement and dissipate energy through eddy currents, which are induced when an electrical conductor moves through a stationary magnetic field or vice versa. The damping force provided by ECDs mainly depends on the relative moving speed between the conductor and the magnetic field, the strength of the magnetic field, and the gap between the magnet and conductor [38]. Various applications for the use of ECDs for controlling structural vibrations have been studied.…”

Section: Introductionmentioning

confidence: 99%

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Experimental Study on Robustness of an Eddy Current-Tuned Mass Damper

Chen

et al. 2017

Applied Sciences

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Abstract:In this paper, an eddy current tuned mass damper (ECTMD) is utilized to control the vibration of a cantilever beam. The robustness of the ECTMD against frequency detuning is experimentally studied in cases of both free vibration and forced vibration. The natural frequency of the cantilever beam can be adjusted by changing the location of a lumped mass. For purposes of comparison with the ECTMD, the robustness of a tuned mass damper (TMD) is also studied. The experimental results in the free vibration case indicate that the ECTMD works well both in tuned and detuned situations, and the equivalent damping ratio of the cantilever beam equipped with the ECTMD is 2.08~5.91 times that of the TMD. However, the TMD only suppresses the free vibration effectively in the tuned situation. With forced vibration, the experimental results also demonstrate the robustness of the ECTMD in vibration suppression in detuned cases. On the other hand, the cantilever beam with TMD experiences 1.63~2.99 times the peak vibration of that of the ECTMD control.

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Section: Introductionmentioning

confidence: 99%

“…Based on the theories of mechanics and electromagnetism, the behaviors of ECTMDs have been studied by many researchers [37][38][39][40][41]. Niu et al [43] applied an ECTMD on a bridge to suppress the wind-induced vibrations that occur in the bridge hangers.…”

Section: Introductionmentioning

confidence: 99%