模拟和控制一个MR-Safe气动辐射输入电机和编码器 (PRIME)
Anthony L Gunderman1, Milad Azizkhani1, Saikat Sengupta2
1Department of Biomedical Engineering, Georgia Institute of Technology/Emory, Atlanta, GA 30338 USA.
概括
研究人员开发了一种MR安全的气动电机和编码器,用于MR引导的机器人. 在7TMRI中进行测试,该系统没有显示图像扭曲,为更广泛的采用铺平了道路.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 生物医学工程 生物医学工程
- 医疗成像医学成像
背景情况:
- 磁共振 (MR) 引导的机器人系统需要专门的MR条件组件.
- 现有的执行器和编码器可以干扰MRI成像,限制机器人应用.
研究的目的:
- 介绍一款新型MR安全气动辐射输入电机和编码器的建模和控制.
- 在7特斯拉 (7T) MR环境中验证系统的性能和安全性.
主要方法:
- 开发了一个全面的动态模型,包括电机,气动传动线和门动态.
- 创建了一个简化的第三级模型来设计一级滑动模式控制器 (TO-SMC).
- 在7TMRI扫描仪中测试了气动电机硬件.
主要成果:
- 通过成功模拟和控制MR安全气动电机和编码器.
- 在7TMRI中进行硬件测试,没有显示出图像扭曲或文物.
- 开发的动态模型有助于设计出一个强大的滑动模式控制器.
结论:
- 该MR-safe气动电机和编码器适用于MR引导的机器人系统.
- 动态模型和控制器设计降低了MR引导机器人研究的进入障碍.
- 这项技术促进了MR引导机器人系统在临床和研究环境中的更广泛采用.
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