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一个直观的导线控制机制用于机器人干预
Rohit Dey1, Yichen Guo2, Yang Liu3
1Mechanical and Materials Engineering, Worcester Polytechnic Institute, Worcester, MA, USA. rdey@wpi.edu.
International journal of computer assisted radiology and surgery
|October 6, 2024
概括
这项研究引入了一种用于远程操作的干预机器人系统 (TIR) 的新型控制接口,该接口可以保持触觉. 这种直观的设计旨在提高医生在机器人辅助干预中的采用性和准确性.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 医疗技术 医疗技术 医学技术
- 人与计算机的交互
背景情况:
- 远程操作的干预机器人系统 (TIR) 提供了诸如减少辐射暴露和提高精度等好处.
- 对TIR的广泛采用受到不直观的控制接口的阻碍,导致学习曲线.
- 当前的界面偏离了传统的手动技术,影响了用户的熟练程度.
研究的目的:
- 开发一种新的控制机制,用于TIR的直观操作.
- 通过解决接口挑战,促进无采用机器人辅助干预措施.
- 增强用户体验,减少TIR运营的学习曲线.
主要方法:
- 一个现成的医疗扭矩装置被增强了微电磁追踪器来控制.
- 接口的实时运动映射被用来提取TIR的控制输入.
- 评估实验使用工业级编码器来验证控制机制的有效性.
主要成果:
- 实现了0.32 ± 0.12mm (线性) 和0.54 ± 0.07° (角性) 的平均追踪误差.
- 通过Pade近似计算,在跟踪中确定了125ms的平均时间延迟.
- 开发的接口在人体工程学上是可比的,比传统的扭矩装置大3.5mm,重4.5g.
结论:
- 新的控制界面与传统的扭矩装置非常相似,保留了触觉反.
- 性能与商业上可用的最先进的TIR相提并论.
- 这种直观的界面有可能显著增加机器人辅助干预的临床采用.
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