Analysis and experiments of a novel and compact 3-DOF precision positioning platform

被引：19

作者：

Huang, Hu ^{[1
]}

Zhao, Hongwei ^{[1
]}

Fan, Zunqiang ^{[1
]}

Zhang, Hui ^{[1
]}

Ma, Zhichao ^{[1
]}

Yang, Zhaojun ^{[1
]}

机构：

[1] Jilin Univ, Coll Mech Sci & Engn, Changchun 130025, Jilin, Peoples R China

来源：

JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY | 2013年 / 27卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Finite element analysis; Flexure hinge; Multi-degree of freedom; Nanoindentation; Piezo actuator; Precision positioning; MICRO/NANO MANIPULATION; DESIGN; STAGE; MECHANISM; MICROMANIPULATION; DYNAMICS;

D O I：

10.1007/s12206-013-0856-6

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A novel 3-DOF precision positioning platform with dimensions of 48 mmx50 mmx35 mm was designed by integrating piezo actuators and flexure hinges. The platform has a compact structure but it can do high precision positioning in three axes. The dynamic model of the platform in a single direction was established. Stiffness of the flexure hinges and modal characteristics of the flexure hinge mechanism were analyzed by the finite element method. Output displacements of the platform along three axes were forecasted via stiffness analysis. Output performance of the platform in x and y axes with open-loop control as well as the z-axis with closed-loop control was tested and discussed. The preliminary application of the platform in the field of nanoindentation indicates that the designed platform works well during nanoindentation tests, and the closed-loop control ensures the linear displacement output. With suitable control, the platform has the potential to realize different positioning functions under various working conditions.

引用

页码：3347 / 3356

页数：10

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