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Micromachines
Volume 12
Issue 6
10.3390/mi12060686
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Article

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

by
Fangni Cui
1,
Yangmin Li
1,2,* and
Junnan Qian
1
1
Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, Tianjin University of Technology, Tianjin 300384, China
2
Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong 999077, China
*
Author to whom correspondence should be addressed.
Micromachines 2021, 12(6), 686; https://doi.org/10.3390/mi12060686
Submission received: 12 May 2021 / Revised: 29 May 2021 / Accepted: 7 June 2021 / Published: 11 June 2021
(This article belongs to the Special Issue Feature Papers of Micromachines in Materials and Processing 2021)
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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: lever amplifying mechanism; flexure hinge; micromotion platform; finite element analysis lever amplifying mechanism; flexure hinge; micromotion platform; finite element analysis

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MDPI and ACS Style

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. https://doi.org/10.3390/mi12060686

AMA Style

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(6):686. https://doi.org/10.3390/mi12060686

Chicago/Turabian Style

Cui, Fangni, Yangmin Li, and Junnan Qian. 2021. "Development of a 3-DOF Flexible Micro-Motion Platform Based on a New Compound Lever Amplification Mechanism" Micromachines 12, no. 6: 686. https://doi.org/10.3390/mi12060686

APA Style

Cui, F., Li, Y., & Qian, J. (2021). Development of a 3-DOF Flexible Micro-Motion Platform Based on a New Compound Lever Amplification Mechanism. Micromachines, 12(6), 686. https://doi.org/10.3390/mi12060686

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