通过基于模糊的增益调节控制的设置点调节的MRAC来精确氧气治疗肺气患者
1Dept. of AEIE, Heritage Institute of Technology, Kolkata, 700107, West Bengal, India.
Computers in biology and medicine
|March 9, 2026
概括
这项研究为患有慢性阻塞性肺病 (COPD) 的肺气患者引入了一种新的控制剂. 智能设定点调制模糊模型参考适应控制器 (SFMRAC) 改善了氧气调节,尽管肺损伤和延迟.
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
- 控制系统工程 控制系统工程
背景情况:
- 肺,是COPD的关键组成部分,通过气泡膜破坏导致慢性呼吸不良的进展.
- 肺中气交换表面积的减少会损害血液的氧化.
- 精确的氧气治疗调节是具有挑战性的,因为生理复杂性,如过渡时间延迟.
研究的目的:
- 开发一个用时间延迟参数对肺气受影响的呼吸系统的数学模型.
- 提出一种新的智能设定点调制模糊模型参考适应控制器 (SFMRAC),用于增强氧气调节.
- 评估SFMRAC在改善COPD患者的氧气输送方面的有效性.
主要方法:
- 开发了一种综合的呼吸系统的数学模型.
- 设计了一个新的SFMRAC,集成模糊逻辑,设定点调制和正常化因子.
- 使用MATLAB/Simulink进行模拟研究以评估控制器性能.
主要成果:
- 与传统的模型参考适应控制器 (MRAC) 相比,SFMRAC表现出优越的跟踪性能和稳定性.
- 控制器有效地管理了非线性生理变化和传输延迟.
- 性能在不同的设定点和显著的交换延迟下得到验证.
结论:
- SFMRAC为肺瘤患者的氧气调节提供了显著的进步.
- 这种智能控制框架显示了改善临床环境中自动化氧气治疗的前景.
- 该研究强调了适应性控制策略的潜力,以应对呼吸系统护理中的复杂生理挑战.
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