Structure Design and Finite Element Analysis of a Rope Traction Upper Limb Rehabilitation Robot

Yu Junwei; Xu Hongbin; Xu Taojin; Zheng Chengjie; Lu Shiqing

doi:10.16578/j.issn.1004.2539.2018.12.017

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Structure Design and Finite Element Analysis of a Rope Traction Upper Limb Rehabilitation Robot

更新时间：2022-10-20

- Structure Design and Finite Element Analysis of a Rope Traction Upper Limb Rehabilitation Robot
- Vol. 42, Issue 12, Pages: 93-97(2018)
- 作者机构：
  
  1. 重庆理工大学机械工程学院
  2. 重庆文理学院
  3. 山口大学创成科学研究科
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2018.12.017
  CLC：
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[1]余俊炜,许洪斌,徐涛金,张成杰,路世青.一种绳牵引上肢康复机器人结构设计与有限元分析[J].机械传动,2018,42(12):93-97.

Yu Junwei, Xu Hongbin, Xu Taojin, et al. Structure Design and Finite Element Analysis of a Rope Traction Upper Limb Rehabilitation Robot. [J]. 42(12):93-97(2018)
[1]余俊炜,许洪斌,徐涛金,张成杰,路世青.一种绳牵引上肢康复机器人结构设计与有限元分析[J].机械传动,2018,42(12):93-97. DOI： 10.16578/j.issn.1004.2539.2018.12.017.

Yu Junwei, Xu Hongbin, Xu Taojin, et al. Structure Design and Finite Element Analysis of a Rope Traction Upper Limb Rehabilitation Robot. [J]. 42(12):93-97(2018) DOI： 10.16578/j.issn.1004.2539.2018.12.017.

摘要

针对现有上肢康复机器人具有惯性冲击大易造成患者二次伤害的问题,采用混联机构形式,设计一种绳牵引式上肢康复机器人的新构型。为保障该康复机器人的安全性和稳定性,采用ANSYS Workbench对上肢康复机器人结构进行静强度分析与模态分析,并应用多目标遗传算法对支撑机架进行了轻量化优化设计。分析结果表明,相比较优化前,支撑机架总质量减少了48%,同时得到优化后整体机架的固有特性,为后期控制策略做准备。

Abstract

Aiming at the problem that the upper limb rehabilitation robot has secondary damage caused by inertial impact,a new mechanism of a rope traction upper limb rehabilitation robot is designed by using the hybrid mechanism. To ensure the safety and stability of the rehabilitation robot,the static strength analysis and modal analysis of the structure of the upper limb rehabilitative robot is carried out by using ANSYS Workbench.Moreover,the multi-objective genetic algorithm is applied to the lightweight optimization design of the support frame. The result shows that the total mass of support frame after optimization is comparatively 48% less than before. At the same time,the inherent characteristic of the whole frame is obtained,which is prepared for the later control strategy.

关键词

混联机构绳牵引康复机器人有限元分析

Keywords

Hybrid mechanismRope tractionRehabilitation robotFinite element analysis

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