基于压力和流量的多传感器融合的鼻腔阻力测量系统
Xiaoqin Lian1,2, Guochun Ma1,2, Chao Gao1,2
1School of Computer and Artificial Intelligence, Beijing Technology and Business University, Beijing 100048, China.
Micromachines
|August 28, 2025
概括
这项研究引入了使用多传感器融合的新鼻腔阻力测量系统. 它显著提高了检测鼻腔阻塞的准确性和稳定性,为鼻腔疾病提供了更好的诊断支持.
科学领域:
- 生物医学工程
- 耳鼻喉科
背景情况:
- 鼻腔阻塞是一种常见的症状,需要精确的严重程度评估.
- 传统的鼻测术存在干扰,自动化有限,结果不稳定.
研究的目的:
- 开发使用多传感器融合的自动化鼻腔阻力测量系统.
- 提高鼻腔阻力测量的准确性和稳定性.
主要方法:
- 设计了一个用于原始信号采集的硬件和用于信号处理的软件系统.
- 使用多传感器融合压力和流量数据.
- 通过呼吸周期识别和标准偏差分析评估抗干扰性和稳定性.
主要成果:
- 在有效的呼吸周期识别中达到99%的回忆率和86%的精度.
- 在干扰下识别无效的呼吸循环的最大准确率为96. 30%.
- 与未过方法相比,测量结果的变化率降低了5至18倍.
结论:
- 开发的系统提供强大的防干扰能力和增强的自动化.
- 它显著提高了鼻腔阻力测量结果的稳定性.
- 为鼻子疾病的辅助诊断提供了强大的技术支持.
相关概念视频
01:28Pipe Flowrate Measurement
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In pipe flow measurement, orifice, nozzle, and Venturi meters are commonly used to determine fluid flowrates by constricting the flow area, which increases fluid velocity and reduces pressure. This pressure difference, governed by Bernoulli's principle and adjusted for real-world conditions, is essential for calculating flowrate. Each meter type is suited to specific applications based on accuracy, efficiency, and compatibility with various flow conditions.
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01:16Measurement of Fluid Pressure
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Fluid pressure is commonly measured using devices called manometers, which rely on liquid columns to indicate pressure differences. The height of a liquid column in a manometer reflects the pressure exerted by the fluid, providing a simple yet effective means of measurement. Different types of manometers serve specific purposes based on their configurations and the type of fluids involved.
A basic form of manometer is the piezometer, a vertical tube open at the top and filled with the same...
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