Suppression of Maglev Track-Induced Self-Excited Vibration Using an Adaptive Cancellation Algorithm

Dan Feng Zhou; Jie Li; Colin H. Hansen

doi:10.4028/www.scientific.net/AMM.44-47.586

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 44-47Suppression of Maglev Track-Induced Self-Excited...

Suppression of Maglev Track-Induced Self-Excited Vibration Using an Adaptive Cancellation Algorithm

Abstract:

The track-induced self-excited vibration is a special problem that exists in EMS (Electromagnetic Suspension) maglev systems. In this paper, the stability of the electromagnet-track coupled model is examined, and it is found that the second order vibration mode of the track may cause instability problem. To suppress the self-excited vibration, an LMS (Least Mean Square) adaptive cancellation scheme is presented, and a phase locked loop is employed to generate a reference signal for the LMS algorithm. Analysis and simulation show that the proposed adaptive cancellation algorithm is effective in suppressing the vibration with unknown frequency.

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Periodical:

Applied Mechanics and Materials (Volumes 44-47)

Pages:

586-590

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.44-47.586

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Online since:

December 2010

Authors:

Dan Feng Zhou, Jie Li, Colin H. Hansen

Keywords:

Adaptive Cancellation, MagLev, Self-Excited Vibration, Suppression

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References

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