Energy trapping of thickness-shear vibrations excited by parallel electric field and its application to piezoelectric vibratory gyroscopes

被引：0
|
作者：
Abe, H [1 ]
Yoshida, T [1 ]
Watanabe, H [1 ]
机构：
[1] Toki Corp, R&D Ctr, Kawasaki, Kanagawa 2130023, Japan
来源：
1998 IEEE ULTRASONICS SYMPOSIUM - PROCEEDINGS, VOLS 1 AND 2 | 1998年
关键词：
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The energy trapping of thickness shear vibrations, which are excited by parallel electric field in a partially polarized piezoelectric ceramic plate, is studied, and the mechanism of energy trapping is theoretically and experimentally clarified. A new piezoelectric vibratory gyroscope with three electrodes using the energy trapping of thickness-shear vibrations is proposed and its experimental results are presented. The results show that high reliable vibratory gyroscopes with the ease in mechanical supporting can be realized because of the energy trapping effect, and the detection sensitivity of 2.8mV/deg/sec is obtained.
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页码：467 / 471
页数：5
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