实现和控制机器人注射原型与即时远程中心的运动机制
IEEE transactions on bio-medical engineering
|August 18, 2023
概括
这项研究介绍了一种使用即时远程运动中心 (RCM) 机制的新型机器人注射系统. 该系统展示了机器人程序的有效控制和精确的针插入.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 医疗器械 医疗器械
- 控制系统 控制系统
背景情况:
- 现有的关于瞬间远程运动中心 (RCM) 机制的研究缺乏一般的闭环控制方法.
- 新之处在于为即时RCM系统开发一个闭环控制策略.
研究的目的:
- 开发一种使用瞬间RCM机制的新型注射系统.
- 为弥补RCM系统闭环控制方法的缺口.
主要方法:
- 设计了一个注射原型,整合了瞬间RCM机制,插入单元和注射单元.
- 在随时间变化的轴刚性和低动作条件下研究了RCM系统.
- 实施了安全插入和稳定性分析的合规性控制,具有有限参数变化率.
- 将原型与用于注入任务的机器人端效应器相结合.
主要成果:
- 该RCM原型实现了大工作空间与验证的控制效率.
- 合规控制插入使得准确的深度调节和零阻抗控制成为可能.
- 一个机器人操纵器引导了注射原型,使用3D重建和手/眼校准精确地放置了针头.
结论:
- 成功设计并验证了一种使用瞬间RCM机制的机器人注射原型.
- 通过模拟和实验证明了闭环控制系统的有效性.
- 证实了原型执行机器人注射任务的能力.
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