一种压电驱动微操作器及其释放位置精度分析

吴建华; 褚家如

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一种压电驱动微操作器及其释放位置精度分析

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- 一种压电驱动微操作器及其释放位置精度分析
- Piezoelectric driven micromanipulator and its positioning accuracy analysis
- 光学精密工程 2005年13卷第3期页码：283-290
- 作者机构：
  
  中国科学技术大学工程科学学院,安徽合肥 230026
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： TP703.6;TN384
- 收稿日期：2005-02-04，
  
  修回日期：2005-04-18，
  
  网络出版日期：2005-06-30，
  
  纸质出版日期：2005-06-30
- 稿件说明：
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吴建华, 褚家如. 一种压电驱动微操作器及其释放位置精度分析[J]. 光学精密工程, 2005,13(3):283-290.

WU Jian-hua, CHU Jia-ru. Piezoelectric driven micromanipulator and its positioning accuracy analysis[J]. Optics and precision engineering, 2005, 13(3): 283-290.
吴建华, 褚家如. 一种压电驱动微操作器及其释放位置精度分析[J]. 光学精密工程, 2005,13(3):283-290. DOI：

WU Jian-hua, CHU Jia-ru. Piezoelectric driven micromanipulator and its positioning accuracy analysis[J]. Optics and precision engineering, 2005, 13(3): 283-290. DOI：

摘要

报道了一种利用压电陶瓷双晶片驱动的适用于尺寸在20~200 μm之间微器件装配操作的微操作器。夹持臂尖端直径约15 μm

在80 V的电压驱动下闭合约200 μm的距离。通过理想操作模型分析了微器件释放的位置误差来源和提高微器件释放位置精度的方法

并进行了高分子小球的排列和释放实验。在相对湿度50%的环境下对直径约170 μm的高分子小球的操纵中

实现了2 μm的释放位置精度。实验表明本微操作器能高精度地完成微器件的拾取、移动和释放操作。

Abstract

A micromanipulator driven by piezoelectric bimorph was developed to assemble micro parts 20~200 μm in size. The manipulator closes about 200 μm while a driven voltage of 80 V is applied. The diameter of grasping arm tips is about 15 μm. The release positioning accuracy is analyzed with a theoretical model and the methods to obtain high position accuracy are discussed. A positioning accuracy of 2 μm is achieved while a 170 μm diameter polymer sphere is released in humid environment (RH=50%). The manipulation experiments indicate that the micromanipulator could pick

transfer and release micro parts with a satisfactory positioning accuracy.

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references

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