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首页> 外文会议>Smart Medical and Biomedical Sensor Technology II; Progress in Biomedical Optics and Imaging; vol.5, no.32 >Application of long-period grating sensors to respiratory function monitoring
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Application of long-period grating sensors to respiratory function monitoring

机译：长周期光栅传感器在呼吸功能监测中的应用

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摘要

A series of in-line curvature sensors on a garment are used to monitor the thoracic and abdominal movements of a human during respiration. These results are used to obtain volumetric tidal changes of the human torso showing reasonable agreement with a spirometer used simultaneously to record the volume at the mouth during breathing. The curvature sensors are based upon long period gratings written in a progressive three layered fibre that are insensitive to refractive index changes. The sensor platform consists of the long period grating laid upon a carbon fibre ribbon, which is encapsulated in a low temperature curing silicone rubber. An array of sensors is also used to reconstruct the shape changes of a resuscitation manikin during simulated respiration. The data for reconstruction is obtained by two methods of multiplexing and interrogation: firstly using the transmission spectral profile of the LPG's attenuation bands measured using an optical spectrum analyser; secondly using a derivative spectroscopy technique.
机译：衣服上的一系列在线曲率传感器用于监测呼吸过程中人的胸腔和腹部运动。这些结果用于获得人体躯干的潮气量变化，显示与肺活量计的合理吻合，肺活量计同时用于记录呼吸过程中口部的体积。曲率传感器基于写入渐进三层光纤中的长周期光栅，这些光栅对折射率变化不敏感。传感器平台由放置在碳纤维带上的长周期光栅组成，碳纤维带封装在低温固化的硅橡胶中。传感器阵列还用于在模拟呼吸过程中重建复苏人体模型的形状变化。通过两种复用和询问方法获得用于重建的数据：首先使用通过光谱分析仪测得的LPG衰减带的透射光谱图。其次使用导数光谱技术。

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