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Aluminum panel vibration reduction using single lead zirconate titanate and resonant circuit
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Aluminum panel vibration reduction using single lead zirconate titanate and resonant circuit
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Journal Article
Aluminum panel vibration reduction using single lead zirconate titanate and resonant circuit
2024
Overview
This study aimed to reduce the vibration of an aluminum plate using a single lead zirconate titanate (PZT) electrical circuit. First, the natural frequencies and modes of the aluminum plate were analyzed using an analytical method to determine the dynamic characteristics of the plate. The frequency domain was used to derive the vibration characteristics of the acoustically excited aluminum plate. It was noted that the resonance region where the vibration of the panel increased rapidly was at 390 Hz, which was then set as the reduction target. Thereafter, the vibration reduction performances of the circuit that connects only the resistance element to the PZT panel and the resonant circuit that uses an inductor were compared. Through actual acoustic excitation, the vibration reduction of the aluminum panel using the PZT panel based on resistance and resonance circuits was validated. The results demonstrated that the vibration in the resonant frequency region of 384 Hz was reduced by 20% through the implementation of a resonant circuit, comprising an inductor and a resistor, added to a single PZT, whose weight was 0.08% of the weight of the aluminum panel. Therefore, this study confirmed that the vibration of aluminum plates can be effectively reduced using a low-weight PZT patch.
Publisher
SAGE Publications,Sage Publications Ltd,SAGE Publishing
