A piezoelectric motor with two projections using two orthogonal flexural vibration modes

被引：13

作者：

Wang, Yin ^{[1
]}

Huang, Weiqing ^{[2
]}

机构：

[1] Huaqiao Univ, Coll Mech Engn & Automat, Xiamen 361021, Peoples R China

[2] Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Jiangsu, Peoples R China

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2016年 / 250卷

基金：

中国国家自然科学基金;

关键词：

Piezoelectric motor; Mode degeneration; Flexural mode; FE simulation; ULTRASONIC LINEAR MOTOR;

D O I：

10.1016/j.sna.2016.09.029

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A piezoelectric motor with two projections and decoupled working modes was proposed in this research. A way of cutting holes on certain positions of rectangular plate was found to decoupling two working modes, which makes degeneration of mode frequencies easy. Two projections vibrate with the same pace, which can simultaneously push the mover to increase the output thrust. Structure of the piezoelectric motor is introduced together with the operation principle. A finite element model was set to analyze dynamic response of stator. Finally, a proof-of-principle prototype of stator was fabricated and mode testing results verified the proposed principle. Testing results show that the prototype is capable of outputing 0.5N load with speed 80 mmis while exciting by voltage signal with 300V Vpp and 20.5 kHz frequency. (C) 2016 Elsevier BM. All rights reserved.

引用

页码：170 / 176

页数：7

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