Structure Design and Optimization of Flexure Hinge Positioning Stage based on Giant Magnetostrictive Actuator

Mao Pengfei; Yu Caofeng; Wang Chuanli; Zhong Changming

doi:10.16578/j.issn.1004.2539.2017.03.015

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Structure Design and Optimization of Flexure Hinge Positioning Stage based on Giant Magnetostrictive Actuator

更新时间：2022-10-20

- Structure Design and Optimization of Flexure Hinge Positioning Stage based on Giant Magnetostrictive Actuator
- Vol. 41, Issue 3, Pages: 74-77(2017)
- 作者机构：
  
  1. 安徽理工大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2017.03.015
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[1]冒鹏飞,喻曹丰,王传礼,钟长鸣.基于GMA柔性铰链定位平台的结构设计与优化[J].机械传动,2017,41(03):74-77.

Mao Pengfei, Yu Caofeng, Wang Chuanli, et al. Structure Design and Optimization of Flexure Hinge Positioning Stage based on Giant Magnetostrictive Actuator. [J]. 41(3):74-77(2017)
[1]冒鹏飞,喻曹丰,王传礼,钟长鸣.基于GMA柔性铰链定位平台的结构设计与优化[J].机械传动,2017,41(03):74-77. DOI： 10.16578/j.issn.1004.2539.2017.03.015.

Mao Pengfei, Yu Caofeng, Wang Chuanli, et al. Structure Design and Optimization of Flexure Hinge Positioning Stage based on Giant Magnetostrictive Actuator. [J]. 41(3):74-77(2017) DOI： 10.16578/j.issn.1004.2539.2017.03.015.

摘要

设计一种以超磁致伸缩驱动器为驱动单元,以多组柔性铰链组合而成,利用材料受力产生弹性变形而进行导向的柔性铰链定位平台。应用能量方程、挠曲线方程、静力学公理、能量守恒方程理论,建立该平台的理论数学模型;根据柔性铰链定位平台在超磁致伸缩驱动器（GMA）驱动下的使用工况,分析其驱动力和输出位移;优化分析柔性铰链的切割半径R和最小厚度t的几何参数,获得柔性铰链定位平台结构尺寸的最优值;利用有限元对柔性铰链平台进行仿真。最后将仿真结果与理论分析结果进行对比,验证了理论分析的正确性。

Abstract

A flexure hinge positioning stage with giant magnetostrictive actuator（ GMA） as the driving unit is designed,which is composed of multi- group flexure hinges and guided by elastic deformation under force. The theories of the energy equation,equation of deflection curve,axioms of statics and energy conservation equation are applied to establish the mathematic theory model of flexure hinge positioning stage. The driving force and output displacement of the flexure hinge positioning stage are analyzed on the basis of working requirements driven by GMA. The geometric parameters of radius R and minimum thickness t of flexure hinge are optimized to achieve the optimized structure parameters of the flexure hinge positioning stage. Finally,the flexure hinge positioning stage is simulated by finite element analysis and the simulation values and theoretical analysis values are compared,the accuracy of theoretical analysis is verified.

关键词

柔性铰链定位平台优化设计有限元分析超磁致伸缩驱动器（GMA）

Keywords

Flexure hingePositioning stageOptimal designFinite element analysis（FEA）Giant magnetostrictive actuator（GMA）

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