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Computational Analysis of a Miniature 3-DOF Flexure-Based Micro/Nano Mechanism

机译:微型三自由度基于挠曲的微纳机构的计算分析

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摘要

The work presented in this paper focuses on the computational analysis of a miniature flexure-based mechanism.This novel flexure-based mechanism is capable of delivering planar motion with three degrees of freedom (3-DOF).With this computational study,we examine the stress distribution at all flexure joints,modal analysis and the workspace envelop of the mechanism.This mechanism is designed to use three piezoelectric actuators to achieve desired displacement in X,Y and Θ.The knowledge of mechanism's workspace envelop will be very important in path planning and defining motion trajectories.The computational analysis confirms the stress distribution at flexure hinges do not exceed the allowable stress of the material.Analysis of the workspace predicts maximum displacements of 76.7 μm in the X-direction,69.1 μm in the Y-direction and 3.47 mrad in θ- rotation.
机译:本文提出的工作重点是基于微型挠曲的机构的计算分析。这种新颖的基于挠曲的机构能够以三个自由度(3-DOF)传递平面运动。该机构的所有挠性接头处的应力分布,模态分析和工作空间包络。该机构设计为使用三个压电致动器在X,Y和Θ处实现所需的位移。在路径规划中,机构工作空间包络的知识将非常重要计算分析确认挠性铰链处的应力分布不超过材料的允许应力。工作空间分析预测,X方向的最大位移为76.7μm,Y方向的最大位移为69.1μm,3.47 mrad在θ旋转。

著录项

  • 来源
  • 会议地点 Tianjin(CN)
  • 作者单位

    Robotics and Mechatronics Research LaboratoryDepartment of Mechanical Aerospace Engineering, Monash University, Clayton, VIC 3800, Australia;

    Robotics and Mechatronics Research LaboratoryDepartment of Mechanical Aerospace Engineering, Monash University, Clayton, VIC 3800, Australia;

    Robotics and Mechatronics Research LaboratoryDepartment of Mechanical Aerospace Engineering, Monash University, Clayton, VIC 3800, Australia;

    Robotics and Mechatronics Research LaboratoryDepartment of Mechanical Aerospace Engineering, Monash University, Clayton, VIC 3800, Australia;

    Robotics and Mechatronics Research LaboratoryDepartment of Mechanical Aerospace Engineering, Monash University, Clayton, VIC 3800, Australia;

    School of Mechanical Engineering, Tianjin University, Tianjin, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 TH15;
  • 关键词

    flexure mechanism; finite element analysis; micro-nano manipulation;

    机译:挠曲机制;有限元分析;微纳操纵;

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