Research on a New Type of Rigid-Flexible Coupling 3-DOF Micro-Positioning Platform
1
Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, School of Mechanical Engineering, Tianjin University of Technology, Tianjin 300384, China
2
National Demonstration Center for Experimental Mechanical and Electrical Engineering Education (Tianjin University of Technology), Tianjin 300384, China
*
Author to whom correspondence should be addressed.
Micromachines 2020, 11(11), 1015; https://doi.org/10.3390/mi11111015
Received: 5 October 2020
/
Revised: 9 November 2020
/
Accepted: 16 November 2020
/
Published: 18 November 2020
(This article belongs to the Section E：Engineering and Technology)
A new type of rigid-flexible coupling three degrees of freedom (3-DOF) micro-positioning platform with high positioning accuracy and high bearing capacity is developed, which consists of flexible drive mechanism and rigid platform. The flexible drive mechanism consists of three sets of symmetrical parallel round flexible hinge structures, each with a wedge structure in the middle of the symmetrical parallel flexible hinge. The rigid platform has an inclined plane with the same angle as the wedge, while the wedge structure is used to achieve the self-locking effect. The flexibility matrix method and ANSYS are used to analyze the statics of the flexible drive mechanism. The first four natural frequencies of the platform are obtained by dynamic simulation analysis. A symmetrical rigid flexible coupling micro-positioning platform experimental system is developed. Output characteristics, positioning accuracy, relationship between frequency and amplitude, and bearing performance of the micro-positioning platform are tested. These experimental results obviously show that the micro-positioning platform has good motion characteristics, high positioning accuracy, large movement distance, and large load bearing capacity performance.
View Full-Text
Keywords:
micro-positioning platform; rigid-flexible coupling; three degrees of freedom; flexible hinge
▼
Show Figures
Figure 1
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
MDPI and ACS Style
Wang, G.; Wang, Y.; Lv, B.; Ma, R.; Liu, L. Research on a New Type of Rigid-Flexible Coupling 3-DOF Micro-Positioning Platform. Micromachines 2020, 11, 1015. https://doi.org/10.3390/mi11111015
AMA Style
Wang G, Wang Y, Lv B, Ma R, Liu L. Research on a New Type of Rigid-Flexible Coupling 3-DOF Micro-Positioning Platform. Micromachines. 2020; 11(11):1015. https://doi.org/10.3390/mi11111015
Chicago/Turabian StyleWang, Guilian, Yong Wang, Bingrui Lv, Ruopeng Ma, and Li Liu. 2020. "Research on a New Type of Rigid-Flexible Coupling 3-DOF Micro-Positioning Platform" Micromachines 11, no. 11: 1015. https://doi.org/10.3390/mi11111015
Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.
