Dynamic analysis on a novel nanopositioning stage driven by PZT

LIU Pin-kuan; SUN Li-ning; QU Dong-sheng; RONG Wei-bin

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Dynamic analysis on a novel nanopositioning stage driven by PZT

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- Dynamic analysis on a novel nanopositioning stage driven by PZT
- Optics and Precision Engineering Vol. 10, Issue 2, Pages: 143-147(2002)
- 作者机构：
  
  哈尔滨工业大学, 机器人研究所,黑龙江哈尔滨,150001
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP24
- Received：10 May 2001，
  
  Revised：07 February 2002，
  
  Published Online：15 April 2002，
  
  Published：15 April 2002
- 稿件说明：
移动端阅览
刘品宽, 孙立宁, 曲东升, 荣伟彬. 新型二维纳米级微动工作台的动力学分析[J]. 光学精密工程, 2002,(2): 143-147

LIU Pin-kuan, SUN Li-ning, QU Dong-sheng, RONG Wei-bin. Dynamic analysis on a novel nanopositioning stage driven by PZT[J]. Editorial Office of Optics and Precision Engineering, 2002,(2): 143-147
刘品宽, 孙立宁, 曲东升, 荣伟彬. 新型二维纳米级微动工作台的动力学分析[J]. 光学精密工程, 2002,(2): 143-147 DOI：

LIU Pin-kuan, SUN Li-ning, QU Dong-sheng, RONG Wei-bin. Dynamic analysis on a novel nanopositioning stage driven by PZT[J]. Editorial Office of Optics and Precision Engineering, 2002,(2): 143-147 DOI：

摘要

提出一种新型、集成式压电驱动两自由度nm级微定位工作台系统

工作台采用直角柔性平行板铰链

实现X

Y方向的运动

采用杠杆放大柔性铰链机构实现对压电陶瓷位移的放大.并对这种新型结构形式理论分析与实验测试.根据拉格郎日方程建立微动工作台的运动微分方程

推导出系统前两阶固有频率的解析式.采用有限元分析方法对微动工作台进行模态分析

得到微定位工作台有效工作的谐振频率和振型

并对微动工作台的模态频率进行了实验测试.经理论分析、有限元计算和实验测试结果进行对比与分析的一致性说明理论分析的正确性和数值分析的可靠性.

Abstract

A novel nanometric precision two-degrees-of-freedom positioner driven by PZT was designed and fabricated.The theoretical and experimental analyses of the stage performance were also done.The nanopositioning stage consists of a right-angle flexure parallel hinge to realize the motion along X and Y directions and the flexure pivoted lever arm to achieve piezoactuator displacement amplification. The differential equation of motion was established by Lagrange equation

and the expression of the two mode nature frequencies were derived. The model analysis of the stage was carried out by means of ANSYS

a Finite Element Method (FEM) code. Experiments were conducted to measure the modal frequencies of the stage. The results obtained from formulation

Finite Element Method(FEM) and experiments were analyzed. The numerical and experimental results prove the accuracy of the theoretical model and the validity of the FEM analysis.

关键词

Keywords

references

Paros J M,Weisbord L.How to design flexure hinges[J].Machine Design.1965:151-156.

Xu W,King T.Flexure hinges for piezoactuator displacement amplifiers: flexibility, accuracy and stress considerations[J].Precision Engineering.1996.19(1):4-10.

Ku S S, Pinsopon U, Cetinkunt S, et al.Design, fabrication, and real-time neural network control of a three-degrees-of-freedom nano-positioner[J].IEEE/ASME Transactions on Mechatronics,2000,5(3):14-17.

孙立宁,荣伟彬,曲东升,等.基于微操作的大行程高分辨率旋转微驱动器的研究[J].光学精密工程,2001,9(6):514-518.

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