A novel piezoelectrically actuated 2-DoF compliant micro/nano-positioning stage with multi-level amplification

Wu Le Zhu, Zhiwei Zhu, Yi Shi, Xiangfan Chen, Yu He, Kornel F. Ehmann, Bing Feng Ju

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

This article presents a novel two-degrees-of-freedom (2-DoF) piezo-actuated parallel-kinematic micro/nano-positioning stage with multi-level amplification. The mirror symmetric stage consists of four leverage mechanisms, two Scott-Russell mechanisms, and a Z-shaped flexure hinge (ZFH) mechanism. Taking advantage of the ZFH mechanism, 2-DoF motions with final-level flexural amplification and decoupled motion guidance are achieved. Analytical models of the stage are developed and validated through finite element analysis to characterize its working performance. Practical testing of a prototype stage is conducted to demonstrate the design process and to quantify its response characteristics. Due to the utilized multi-level amplification, a practical amplification ratio of 13.0 is realized by the prototype. The decoupled output motion guidance feature of the stage makes it amenable for implementation in raster scanning type of measurements.

Original languageEnglish (US)
Article number105006
JournalReview of Scientific Instruments
Volume87
Issue number10
DOIs
StatePublished - Oct 1 2016
Externally publishedYes

Fingerprint

positioning
Amplification
hinges
flexing
Hinges
prototypes
raster scanning
Analytical models
Kinematics
Mirrors
kinematics
degrees of freedom
mirrors
Scanning
Finite element method
output
Testing

ASJC Scopus subject areas

  • Instrumentation

Cite this

A novel piezoelectrically actuated 2-DoF compliant micro/nano-positioning stage with multi-level amplification. / Zhu, Wu Le; Zhu, Zhiwei; Shi, Yi; Chen, Xiangfan; He, Yu; Ehmann, Kornel F.; Ju, Bing Feng.

In: Review of Scientific Instruments, Vol. 87, No. 10, 105006, 01.10.2016.

Research output: Contribution to journalArticle

Zhu, Wu Le ; Zhu, Zhiwei ; Shi, Yi ; Chen, Xiangfan ; He, Yu ; Ehmann, Kornel F. ; Ju, Bing Feng. / A novel piezoelectrically actuated 2-DoF compliant micro/nano-positioning stage with multi-level amplification. In: Review of Scientific Instruments. 2016 ; Vol. 87, No. 10.
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