Publications
Suppression of Maglev Track-Induced Self-Excited Vibration Using an Adaptive Cancellation Algorithm
Zhou, D., Li, J., Hansen, C.H. (2010)
Proceedings of the 2010 International Conference on Frontiers of Manufacturing and Design Science, ICFMD2010, Chongqing, China, December 11-12Abstract:
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 an 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 an unknown frequency.
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