Optimal Design of a Leaf Flexure Compliant Mechanism Based on 2-DOF Tuned Mass Damping Stage Analysis

This study proposed an innovative design of a leaf flexural-based 2-DOF tuned mass damping stage that can be integrated into a micro-electromechanical system precision positioning stage to reduce the displacement response of the precision positioning stage excited by a specific vibration frequency a...

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Main Authors: Yung-Sheng Chang, Vu N. D. Kieu, Shyh-Chour Huang
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:Micromachines
Subjects:
Online Access:https://www.mdpi.com/2072-666X/13/6/817
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author Yung-Sheng Chang
Vu N. D. Kieu
Shyh-Chour Huang
author_facet Yung-Sheng Chang
Vu N. D. Kieu
Shyh-Chour Huang
author_sort Yung-Sheng Chang
collection DOAJ
description This study proposed an innovative design of a leaf flexural-based 2-DOF tuned mass damping stage that can be integrated into a micro-electromechanical system precision positioning stage to reduce the displacement response of the precision positioning stage excited by a specific vibration frequency and to achieve the damping effect and vibration reduction without adding viscous damping materials. A prototype that conforms to dual-axis decoupling and has 2-DOF translation capability was designed using parallel and vertical arrangements of a leaf flexure. The Taguchi design method and the finite element method were used on the relevant design parameters of the primary mass stage to determine the best size configuration for the maximum off-axial stiffness ratio and the parameters of the tuned mass damper closest to the natural frequency of the primary mass stage with the minimum deflection. In addition, an optimization module, based on a genetic algorithm (GA), was used to optimize the design of the flexure size of the tuned mass damper. Finally, experiments were conducted, the vibration displacement response of the primary mass stage was observed, and the effect with or without the addition of tuned mass damping on the system vibration response was compared. The results indicate that the tuned mass damper can effectively reduce the response amplitude of the stage, where the maximum reduction rate in the experiment was 63.0442%, and the mass of the damper was highly positively correlated with the amplitude reduction.
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spelling doaj.art-8cf8a8813320485db2bd48d2e0b2d0d32023-11-23T17:59:50ZengMDPI AGMicromachines2072-666X2022-05-0113681710.3390/mi13060817Optimal Design of a Leaf Flexure Compliant Mechanism Based on 2-DOF Tuned Mass Damping Stage AnalysisYung-Sheng Chang0Vu N. D. Kieu1Shyh-Chour Huang2Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 80778, TaiwanDepartment of Mechanical Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 80778, TaiwanDepartment of Mechanical Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 80778, TaiwanThis study proposed an innovative design of a leaf flexural-based 2-DOF tuned mass damping stage that can be integrated into a micro-electromechanical system precision positioning stage to reduce the displacement response of the precision positioning stage excited by a specific vibration frequency and to achieve the damping effect and vibration reduction without adding viscous damping materials. A prototype that conforms to dual-axis decoupling and has 2-DOF translation capability was designed using parallel and vertical arrangements of a leaf flexure. The Taguchi design method and the finite element method were used on the relevant design parameters of the primary mass stage to determine the best size configuration for the maximum off-axial stiffness ratio and the parameters of the tuned mass damper closest to the natural frequency of the primary mass stage with the minimum deflection. In addition, an optimization module, based on a genetic algorithm (GA), was used to optimize the design of the flexure size of the tuned mass damper. Finally, experiments were conducted, the vibration displacement response of the primary mass stage was observed, and the effect with or without the addition of tuned mass damping on the system vibration response was compared. The results indicate that the tuned mass damper can effectively reduce the response amplitude of the stage, where the maximum reduction rate in the experiment was 63.0442%, and the mass of the damper was highly positively correlated with the amplitude reduction.https://www.mdpi.com/2072-666X/13/6/817leaf flexuretuned mass damperfinite elements methodTaguchi’s optimization method
spellingShingle Yung-Sheng Chang
Vu N. D. Kieu
Shyh-Chour Huang
Optimal Design of a Leaf Flexure Compliant Mechanism Based on 2-DOF Tuned Mass Damping Stage Analysis
Micromachines
leaf flexure
tuned mass damper
finite elements method
Taguchi’s optimization method
title Optimal Design of a Leaf Flexure Compliant Mechanism Based on 2-DOF Tuned Mass Damping Stage Analysis
title_full Optimal Design of a Leaf Flexure Compliant Mechanism Based on 2-DOF Tuned Mass Damping Stage Analysis
title_fullStr Optimal Design of a Leaf Flexure Compliant Mechanism Based on 2-DOF Tuned Mass Damping Stage Analysis
title_full_unstemmed Optimal Design of a Leaf Flexure Compliant Mechanism Based on 2-DOF Tuned Mass Damping Stage Analysis
title_short Optimal Design of a Leaf Flexure Compliant Mechanism Based on 2-DOF Tuned Mass Damping Stage Analysis
title_sort optimal design of a leaf flexure compliant mechanism based on 2 dof tuned mass damping stage analysis
topic leaf flexure
tuned mass damper
finite elements method
Taguchi’s optimization method
url https://www.mdpi.com/2072-666X/13/6/817
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AT vundkieu optimaldesignofaleafflexurecompliantmechanismbasedon2doftunedmassdampingstageanalysis
AT shyhchourhuang optimaldesignofaleafflexurecompliantmechanismbasedon2doftunedmassdampingstageanalysis