新型混联腹腔镜手术机器人的运动学建模与优化

沈桐; 宋成利; 徐兆红

doi:10.13433/j.cnki.1003-8728.2016.0110

新型混联腹腔镜手术机器人的运动学建模与优化

doi: 10.13433/j.cnki.1003-8728.2016.0110

1.
上海理工大学医疗器械与食品学院教育部微创医疗器械工程研究中心, 上海 200093

基金项目:

国家自然科学基金项目(51175345)与上海市浦江人才计划项目(10PJ1407800)资助

详细信息

作者简介:
沈桐(1989-),硕士研究生,研究方向为精密医疗器械,victor_shentong@163.com

通讯作者:
宋成利,教授,博士,csong@usst.edu.cn

计量
- 文章访问数: 164
- HTML全文浏览量: 29
- PDF下载量: 10
- 被引次数: 0
出版历程
- 收稿日期: 2013-12-06
- 刊出日期: 2016-01-05

Kinematics Modeling and Optimization of a Hybrid Robotic Manipulator for Laparoscopic Surgery

1.
Shanghai Institute for Minimally Invasive Therapy, School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

摘要

摘要: 提出一种专为腹腔镜手术设计的新型混联手术机器人。该机器人由两个解耦并联机构混联而成,机器人可为手术器械提供多自由度操作空间。先用叠加法对混联机器人进行整体运动学建模,提出了基于腹腔镜手术特征的机器人术中运动规划并简化了机构输入量,利用手术器械的"杠杆"映射原理求得其末端操作点的速度雅克比矩阵,又根据雅克比条件数给出了机器人在术前定位时的最佳初始位形,建立并使用"灵巧度-体积"综合因素指标对器械操作点的工作空间进行优化。结果表明:在优化后工作空间中机器人不但具有良好的运动灵巧度,同时工作空间大小也能满足微创手术操作的要求。
- 手术机器人 /
- 运动规划 /
- 工作空间优化 /
- 运动灵巧度
Abstract: This paper presents the structural design of a new hybrid surgical robotic manipulator for laparoscopic surgery. The proposed surgical robot which can provide multi degrees of freedom is combined by two decoupled parallel mechanisms. The kinematic model of the whole robot is presented by means of superposition. Motion planning based on laparoscopic surgery is built to reduce the number of structural inputs. The Jacobian matrix of the operation point is also solved by using the mapping principle of the surgical instrument. The best configuration of the robot in preoperative localization is presented on the basis of Jacobian condition number. "Dexterity-Space" index is established to optimize the workspace of the operation point. The result indicates that the robotic manipulator provides better dexterity and fits the need of laparoscopic surgery operation.
- conformal mapping /
- Jacobian matrices /
- kinematics /
- manipulators

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参考文献(21)

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