基于抓握可靠性的肌电控制假手优化和动态性能研究

李晶; 邵忍平; 王伟; 黄欣娜

doi:10.13433/j.cnki.1003-8728.2014.0704

基于抓握可靠性的肌电控制假手优化和动态性能研究

doi: 10.13433/j.cnki.1003-8728.2014.0704

1.
西北工业大学,机电学院西安 710072

基金项目:

国家自然科学基金项目(51275422)

西北工业大学研究生创业种子基金项目(Z2013032)资助

详细信息

作者简介:
李晶(1986-)，硕士研究生，研究方向为动力学和信号处理，lijing37207@163.Com

通讯作者:
邵忍平，副教授，博士，shaorp@mail.nwpu.edu.cn

计量
- 文章访问数: 82
- HTML全文浏览量: 9
- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2013-01-30
- 刊出日期: 2015-06-10

Study of Optimization and Dynamic Performance for the Myoelectric Controlled Prosthetic Hand Based on the Grasping reliability

1.
School of Mechatronics,Northwestern Polytechnical University,Xi'an 710072

摘要

摘要: 针对肌电控制假手的结构特点,分析影响肌电控制假手抓握可靠性的因素。借助MSC/Nastran软件平台,建立该假手系统的有限元模型,以结构系统应变能最小作为优化的目标函数,以结构系统的体积和质量约束作为优化约束函数,对肌电控制假手进行结构拓扑优化。在此基础上分析研究其动力特性、力能耦合关系、以及在以传动系统动态响应作为外部冲击载荷作用下的瞬态响应。研究结果表明:优化后的肌电控制假手的振动冲击减小,反应时间缩短,抓握可靠性得到显著提高。
- 肌电控制假手 /
- 结构优化 /
- 力能耦合 /
- 瞬态响应 /
- 动态特性
Abstract: For the structure feature of myoelectric controlled prosthetic hand (MCPH), the factors to impact thegrasping ability of MCPH were analyzed. Based on the analysis results, the finite element model of the MCPHsystem was established using the MSC/Nastran software. Topology optimization for the MCPH structure wasperformed with the constraints of weight and volume of the structural system by using the minimum structural strainenergy as the objective function. Based on the optimization results, the dynamic characteristics, the force-energycoupling relationship and the transient response excited by an external shock loads transferred from the dynamicresponse of transmission system were analyzed. The results show that the shock, vibration and the reaction time ofthe optimized MCPH are reduced and the grasping reliability has been significantly improved.
- computer software /
- dynamic characteristic /
- dynamic response /
- finite element method /
- force-energy coupling

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参考文献(6)

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