基于电阻断层扫描的高流量鼻的智能控制策略
Tian Peng1, Guojun Li1, Zhiwei Li1
1College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China.
The Review of scientific instruments
|October 6, 2025
概括
这项研究引入了使用电阻断断层扫描 (EIT) 进行高流量鼻腔管 (HFNC) 的智能控制方法,以提高COPD患者的氧气输送精度. 模糊的PID控制器显著提高了呼吸辅助的准确性和稳定性.
科学领域:
- 生物医学工程 生物医学工程
- 呼吸系统生理学 呼吸系统生理学
- 控制系统 控制系统
背景情况:
- 慢性阻塞性肺病 (COPD) 需要精确的氧气输送.
- 目前的高流量鼻腔管 (HFNC) 系统缺乏适应个体患者需求的适应性.
- 电阻断层扫描 (EIT) 提供实时生理监测.
研究的目的:
- 使用EIT开发HFNC的智能控制方法.
- 提高COPD患者氧气输送的精度和适应性.
- 评估模糊PID控制器与传统PID的性能.
主要方法:
- 构建了一个相当于HFNC呼吸系统的电路模型.
- 开发了一个双闭环控制架构与EIT反.
- 在EIT的模拟肺部平台上实施和评估传统的PID和模糊的PID算法.
主要成果:
- 模糊的PID控制器显示出卓越的控制精度和稳定性.
- 与传统PID相比,在高流量条件下,流量误差减少了46.1%,波动减少了69.1%.
- 基于EIT的系统提供了动态的,个性化的呼吸支持.
结论:
- 提出的基于EIT的智能控制策略显著提高了HFNC的性能.
- 这种方法为临床环境中的精密氧疗提供了有希望的进步.
- 通过实时EIT监测和自适应控制,可以实现个性化的呼吸支持.
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