| Summary: | 碩士 === 中原大學 === 機械工程研究所 === 96 === A self-detecting and self-actuating system, which is able to suppress high-frequency vibration of the selected example of flat plate structure caused by environmental noise, is investigated. To fully overcome such complex vibration of very wide frequency is not feasible. It is thus attempted to search out the large vibration amplitude of vibration with frequency about 500Hz~5KH that is sensitive and influential to human’s hearing. Following that, vibration in the chosen frequency can be reduced by using appropriate control law.
In this study, design of smart material made by piezoelectric ceramics, sensitivity and actuation evaluation of the smart material, optimal design of polarization and electrode layout by using ANSYS, design and simulation of vibration control method, and performance evaluation of vibration suppression are included.
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