Development of a 3-DOF Flexible Micro-Motion Platform Based on a New Compound Lever Amplification Mechanism

被引：8
|
作者：
Cui, Fangni [1 ]
Li, Yangmin [1 ,2 ]
Qian, Junnan [1 ]
机构：
[1] Tianjin Univ Technol, Tianjin Key Lab Adv Mechatron Syst Design & Intel, Tianjin 300384, Peoples R China
[2] Hong Kong Polytech Univ, Dept Ind & Syst Engn, Hung Hom, Hong Kong 999077, Peoples R China
来源：
MICROMACHINES | 2021年 / 12卷 / 06期
基金：
中国国家自然科学基金;
关键词：
lever amplifying mechanism; flexure hinge; micromotion platform; finite element analysis; SCOTT-RUSSELL MECHANISM; DESIGN; NANOPOSITIONER; OPTIMIZATION; STAGE;
D O I：
10.3390/mi12060686
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this paper, a flexible micro-operation platform with three degrees of freedom, large stroke, and high precision is designed to meet the higher demands in the fields of biological engineering and medicine. The platform adopts a compound lever mechanism. The theoretical magnification of the mechanism is 9.627, the simulation magnification is 10.111, and the error is 5.02%. The platform uses a piezoelectric ceramic driver to increase the output stroke to obtain a larger movement space. The composite lever mechanism and new micro-operating platform are studied by theoretical calculation and finite element simulation. The results show that the new flexible micro-operating platform based on the composite lever mechanism has good motion decoupling and high precision.
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页数：12
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