Dynamic Parameters Extraction of Piezoelectric Resonator of Ultrasonic Motor Based on ANSYS
Yuan Yi-kun
Abstract
Yuan Yi-kun
Abstract
The relationship of modal parameters was introduced and proved theoretically.Through modal and harmonic analysis of piezoelectric ultrasonic vibrator based on ANSYS,the modal parameters of rectangular piezoelectric resonator were extracted,by which the vibrator model was simplified as the spring single-degree-of-freedom system.Results show it is a effective way to obtain the dynamic parameters by comparing with the theoretic results.
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The relationship of modal parameters was introduced and proved theoretically.Through modal and harmonic analysis of piezoelectric ultrasonic vibrator based on ANSYS,the modal parameters of rectangular piezoelectric resonator were extracted,by which the vibrator model was simplified as the spring single-degree-of-freedom system.Results show it is a effective way to obtain the dynamic parameters by comparing with the theoretic results.
Key concepts: Vibrator (electronic), Ultrasonic motor, Acoustics, Piezoelectricity, Modal, Ultrasonic sensor, Modal analysis, Piezoelectric motor