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2014 | 125 | 4A | A-164-A-168
Article title

A Study on Possibility to Apply Piezoelectric Actuators for Active Reduction of Torsional Beams Vibrations

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In this paper, the results of several tests concerning possible application of piezoelectric elements to reduce torsional vibrations of a beam are presented and discussed. The proposed method of application is a novel one. The piezoelectric elements are positioned in two pairs and glued to the beam at the chosen cross-section. These elements are activated using a harmonically varying voltage of the same amplitude and opposite in phase. Simulations are performed regarding the active reduction of the lowest natural frequencies of vibration of the fixed-free beam with the use of piezoelectric actuators. The results of these simulations are obtained by means of the finite element method (ANSYS).
  • Cracow University of Technology, Institute of Applied Mechanics al. Jana Pawła II 37, 31-864 Kraków, Poland
  • Cracow University of Technology, Institute of Applied Mechanics al. Jana Pawła II 37, 31-864 Kraków, Poland
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