一个主-追随者远程操作系统用于机器人导管:设计,表征和跟踪控制
Ali A Nazari1, Jeremy Catania1, Soroush Sadeghian2
1Department of Mechanical, Industrial and Mechatronics Engineering, Toronto Metropolitan University, Toronto, Canada.
概括
这项研究引入了一种新的电路机器人导管系统,以提高微创手术的透明度. 虽然开环控制器显示出前景,但闭环控制对于解决系统非线性至关重要.
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
- 最少侵入性的手术
背景情况:
- 电话机器人系统在20多年中推进了微创手术,减少了辐射暴露,并使远程手术成为可能.
- 在主追随者系统中提高透明度对于外科医生在机器人干预期间感知力反至关重要.
研究的目的:
- 开发和评估一个三度自由度的主追随者电路机器人系统用于机器人导管.
- 评估系统在模仿手动导管技术和其路径跟踪精度方面的性能.
主要方法:
- 在追随装置中实施了一种新的抓取-插入-释放机制,以防止导管曲和扭曲.
- 使用各种复杂轨迹 (圆形,无限形,螺旋) 的开放循环路径跟踪来评估系统的性能.
主要成果:
- 该系统展示了从0.64到1.53厘米的平均欧几里德误差 (MEE) 的路径跟踪.
- 平均绝对误差 (MAE) 在不同的测试路径中在0.81至1.92厘米之间变化.
结论:
- 开发的远程机器人系统通过开放循环控制器实现了目标精度和准确性.
- 未来的工作需要闭环控制,以减轻导管歇斯底里,死区和非线性,以改善临床应用.
相关概念视频
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