基于弯曲振动模式的压电陀螺仪研究

2019 14th Symposium on Piezoelectrcity, Acoustic Waves and Device Applications (SPAWDA) Pub Date : 2019-11-01 DOI:10.1109/SPAWDA48812.2019.9019324

Jun-feng Wang, Kang-kang Zhang, Dejin Huang

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引用次数: 0

摘要

本文提出了一种用于陀螺仪的新型复合压电梁。该光束由铌酸锂板和铁电反转层制成。采用一维梁理论，考虑了科里奥利力和离心力的影响，对梁的弯曲振动进行了研究。得到了在驱动电压作用下的弯曲振动控制方程。通过数值算例，研究了旋转压电梁的角速度、输出电路的电阻抗和频率对旋转压电梁的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Study on a Piezoelectric Gyroscope Based on Flexrual Vibration Mode

A new composite piezoelectric beam is proposed for gyroscope application in this paper. The beam is made of lithium niobate plate with a ferroelectric inversion layer. The flexural vibration of the beam is investigated by one-dimensional beam theory, considering the effects of Coriolis force and centrifugal force. The governing equations are obtained for the analysis of the flexural vibration under the driving voltage. The effects of angular velocity, electrical impendence of the output circuit, and frequencies of a rotating piezoelectric beam are studied through a numerical example.

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2019 14th Symposium on Piezoelectrcity, Acoustic Waves and Device Applications (SPAWDA)

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