Active Vibration Control of Un-crack and Crack Cantilever Beam Using Piezoelectric Actuator

ABSTRACT

Active vibration control of fixed free rectangular cantilever beam considered and analyzed using ANSYS. Natural frequency and amplitudes of free vibration determine both from ANSYS 14.5 and experimental setup.  Uncrack and crack beam with same cross section used for analysis. PZT 5H attached near the fixed end of the beam and voltage with different values applied for controlling the amplitudes of vibration. The simulation and experimental results studied for the uncrack and crack beam. The results are in the good agreement for the control of amplitude of vibration when the voltage range increases. The voltage range is from 50V to 200V at a step increase of 50V. The natural frequency of the crack beam is larger than uncrack beam. In uncrack beam, increase in crack depth at the same location natural frequencies decreases. Both the experimental and ANSYS results indicate that piezoelectric patch as an actuator is an effective method for the vibration suppression.

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Updated: June 26, 2023 — 3:06 am