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Wednesday, July 10 • 12:50 - 13:10
EXPERIMENT ON AN ADAPTIVE METHOD FOR TONAL VIBRATION SUPPRESSION

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An adaptive method is presented for suppressing mechanical vibration of multiple harmonics. Online estimation of the plant model and the disturbance is combined with an output saturation alleviator to improve the convergence rate and performance of the adaptive algorithm. Tracking filters are used to extract harmonics of fluctuating frequencies and the anti-saturation unit works in series with the tracking filters to give constrained harmonic output. As a result, the controller is insensitive to saturation that would otherwise induce divergence in control. Experiments were conducted to verify the performance of the adaptive method. Excitation with multiple fluctuating frequencies was applied and the results demonstrated that the harmonics can be suppressed substantially.

Moderators
MP

Marek Pawelczyk

Prof., Silesian University of Technology, Institute of Automatic Control
Head of Measurements and Control Systems Dept., Vice Rector for Science and Development. Interest: active and semi-active noise and vibration control

Authors

Wednesday July 10, 2019 12:50 - 13:10 EDT
Westmount 6
  T02 Act. noise & vib. cntrl., SS02 Algorithms for active control