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Title: Development of a 3-DOF flexible micro-motion platform based on a new compound lever amplification mechanism
Authors: Cui, F
Li, Y 
Qian, J
Issue Date: Jun-2021
Source: Micromachines, June 2021, v. 12, no. 6, 686
Abstract: 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.
Keywords: Finite element analysis
Flexure hinge
Lever amplifying mechanism
Micromotion platform
Publisher: Molecular Diversity Preservation International (MDPI)
Journal: Micromachines 
EISSN: 2072-666X
DOI: 10.3390/mi12060686
Rights: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
The following publication Cui, F.; Li, Y.; Qian, J. Development of a 3-DOF Flexible Micro-Motion Platform Based on a New Compound Lever Amplification Mechanism. Micromachines 2021, 12, 686 is available at
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