Flexural resonance vibrations of piezoelectric ceramic tubes in Besocke-style scanners  

作　　者：张辉 张淑仪 范理 

机构地区：[1]Laboratory of Modern Acoustics,Institute of Acoustics,Nanjing University

出　　处：《Chinese Physics B》2012年第8期180-185,共6页中国物理B（英文版）

基　　金：Project supported by the National Basic Research Program of China (Grant No. 2012CB921504);the National Natural Science Foundation of China (Grant Nos. 11004099 and 11174142);the State Key Laboratory of Acoustics of the Chinese Academy of Sciences;the Priority Academic Program Development of Jiangsu Higher Education Institutions

摘　　要：Flexural resonance vibrations of piezoelectric ceramic tubes in Besocke-style scanners with nanometer resolution are studied by using an electro-mechanical coupling Timoshenko beam model. Meanwhile, the effects of friction, the first moment, and moment of inertia induced by mass loads are considered. The predicted resonance frequencies of the ceramic tubes are sensitive to not only the mechanical parameters of the scanners, but also the friction acting on the attached shaking ball and corresponding bending moment on the tubes. The theoretical results are in excellent agreement with the related experimental measurements. This model and corresponding results are applicable for optimizing the structures and performances of the scanners.Flexural resonance vibrations of piezoelectric ceramic tubes in Besocke-style scanners with nanometer resolution are studied by using an electro-mechanical coupling Timoshenko beam model. Meanwhile, the effects of friction, the first moment, and moment of inertia induced by mass loads are considered. The predicted resonance frequencies of the ceramic tubes are sensitive to not only the mechanical parameters of the scanners, but also the friction acting on the attached shaking ball and corresponding bending moment on the tubes. The theoretical results are in excellent agreement with the related experimental measurements. This model and corresponding results are applicable for optimizing the structures and performances of the scanners.

关 键 词：flexural resonance vibration Timoshenko beam theory Besocke-style scanner 

分 类 号：TP334.22[自动化与计算机技术—计算机系统结构] TM282[自动化与计算机技术—计算机科学与技术]