柔性电热驱动微夹钳的设计与尺寸优化

中国机械工程 ›› 2010, Vol. 21 ›› Issue (17): 2028-2033.

柔性电热驱动微夹钳的设计与尺寸优化

张然;褚金奎;刘帅;张成

大连理工大学辽宁省微纳米技术及系统重点实验室,大连,116024

出版日期:2010-09-10 发布日期:2010-09-20
基金资助:
国家高技术研究发展计划(863计划)资助项目(2007AA04Z335)
National High-tech R&D Program of China (863 Program) （No. 2007AA04Z335）

Design and Size Optimization of Compliant Electrothermal Microgripper

Zhang Ran;Chu Jinkui;Liu Shuai;Zhang Cheng

Key Laboratory for Micro/Nano Technology and System of Liaoning Province of Dalian University of Technology,Dalian,116024

Online:2010-09-10 Published:2010-09-20
Supported by:
National High-tech R&D Program of China (863 Program) （No. 2007AA04Z335）

摘要/Abstract

摘要：

提出了一种柔性电热驱动微夹钳的设计与尺寸优化方法：首先基于机构的类型综合方法和伪刚体概念选择微夹钳的柔性机构,然后对柔性机构进行单元划分以建立其刚度模型,进而对其几何尺寸进行优化设计。对一种由V形电热驱动器驱动的柔性电热微夹钳进行了设计与尺寸优化。为了验证方法的合理性,利用ANSYS软件对优化结果进行仿真分析并对仿真结果进行了对比。分析表明,优化结果能够满足设计要求,从而证明了设计方法的高效率和可靠性。

关键词:

微夹钳, 柔性机构, 伪刚体, 尺寸优化



Abstract:

A compliant electrothermal microgripper design and size optimization

method was proposed herein.First of all,the compliant mechanism of microgripper was selected based on type synthesis of kinematic chain and pseudo-rigid-body

method.Then,with the element division of the compliant mechanism,the stiffness model

was established.Finally,the geometric size of the microgripper was optimized.

The design and size optimization of a compliant microgripper driven by a V-shaped electrothermal actuator was presented to describe this method.The optimal results analysed by the finite element software-ANSYS satisfy the design requirements.The comparisons

between optimal results and manual adjustment ones indicate that the former have better performance and the method is efficient and reliable.

Key words:

microgripper, compliant mechanism, pseudo-rigid-body, size optimization

中图分类号:

TH112.5

张然, 褚金奎, 刘帅, 张成.

柔性电热驱动微夹钳的设计与尺寸优化

[J]. 中国机械工程, 2010, 21(17): 2028-2033.

ZHANG Ran, CHU Jin-Kui, LIU Shuai, ZHANG Cheng.

Design and Size Optimization of Compliant Electrothermal Microgripper

[J]. China Mechanical Engineering, 2010, 21(17): 2028-2033.

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http://www.cmemo.org.cn/CN/Y2010/V21/I17/2028

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