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VNUHCM Journal of

Science and Technology Development

An official journal of Viet Nam National University Ho Chi Minh City, Viet Nam since 1997

ISSN: 1859-0128
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Optimal design and simulation of compliant mechanism used as amplifier of micro linear actuator

Khien Van Nguyen 1, *
Phuong Nam Ngo 2
Hoang Huy Pham 3
Tuan Huy Pham 4

  1. Ho Chi Minh City University of Technology and Education
  2. Air Force Officer's College
  3. Ho Chi Minh City University of Technology, VNU HCM
  4. University of Technical Education Ho Chi Minh City
Correspondence to: Khien Van Nguyen, Ho Chi Minh City University of Technology and Education. Email: pvphuc@vnuhcm.edu.vn.
Volume & Issue: Vol. 20 No. K5 (2017) | Page No.: 5-12 | DOI: 10.32508/stdj.v20iK5.1152
Published: 2017-08-31

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Copyright © 2017 by the author(s).

Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

Abstract

This paper presents the design of a compliant mechanism that can be used as an amplifier mechanism of the micro linear actuator. The design includes the synthesis of pseudo rigid-body mechanism, the converting rigid mechanism to a compliant mechanism, the parameterization of dimensions of compliant mechanism, design variables' choice and the optimal design using ANSYS optimization tool. In addition, the paper also describes the use of response surface analysis tool of ANSYS Workbench to evaluate the effect of design variables on the optimization so that to investigate the sensitivity of those design variables on the objective function. The finite element model of the designed mechanism is established and used to simulate the compliant mechanism and to evaluate the amplification ability. The results show that the amplification ratio is higher than 10.

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