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Monday, July 8 • 16:10 - 16:30
APPLICATION OF AN ADAPTIVE PIEZO-SHUNT ABSORBER FOR VIBRATION CONTROL ON A CANTILEVER BEAM

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This work describes the application of a piezo-shunt absorber for robust vibration suppression on a cantilever beam with two piezoelectric patches. The cantilever beam is submitted to harmonic excitation forces containing several harmonic components. In particular, the implementation of the Resistance-Inductance-Capacitance circuit is employed for vibration absorption at the first four mode-shapes of the beam and, by using the Frequency Response Function of the arrangement, the modal parameters of such dominant mode-shapes can be used to synthesize an adaptive-like piezo-shunt absorber for damping injection at specific modes. Some experimental results are presented to validate the good dynamic performance of the piezo-shunt absorber for adaptive damping injection to the cantilever beam.

Moderators
avatar for Alain Berry

Alain Berry

Professor, Université de Sherbrooke
avatar for Philippe-Aubert Gauthier

Philippe-Aubert Gauthier

Professor, Groupe Acoustique Université de Sherbrooke, Université de Sherbrooke

Authors

Monday July 8, 2019 16:10 - 16:30 EDT
Westmount 6
  T02 Act. noise & vib. cntrl., RS01 Active cntrl of snd & vibr