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首页> 外文会议>Biophotonics: photonic solutions for better health care IV >Wearable Photoplethysmography Device prototype for Wireless Cardiovascular Monitoring
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Wearable Photoplethysmography Device prototype for Wireless Cardiovascular Monitoring

机译：用于无线心血管监测的可穿戴光电容积描记器设备原型

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摘要

The aim of the study was to develop a prototype system of the smart garment for real time telemetric monitoring of human cardiovascular activity. Two types of photoplethysmography (PPG) sensors for low noise and artefact free signal recording from various sites of the human body that were suitable for integration into smart textile were investigated. The reflectance sensors with single and multiple photodiodes based on "pulse-duration-based signal conversion" signal acquisition principle were designed and evaluated. The technical parameters of the system were measured both on bench and in vivo. Overall, both types of PPG sensors showed acceptable signal quality SNR 86.56±3.00 dB, dynamic range 89.84 dB. However, in-vivo condition tests revealed lower noise and higher accuracy achieved by applying the multiple photodiodes sensor. We concluded that the proposed PPG device prototype is simple and reliable, and therefore, can be utilized in low-cost smart garments.
机译：该研究的目的是开发一种用于实时遥测人类心血管活动的智能服装原型系统。研究了两种适用于集成到智能纺织品中的低噪声和无伪影信号记录的光电容积描记（PPG）传感器。设计并评估了基于“基于脉冲持续时间的信号转换”信号采集原理的具有单个和多个光电二极管的反射率传感器。该系统的技术参数在实验台和体内均进行了测量。总体而言，两种类型的PPG传感器均显示出可接受的信号质量SNR 86.56±3.00 dB，动态范围89.84 dB。但是，体内条件测试表明，通过使用多个光电二极管传感器，可以实现更低的噪声和更高的精度。我们得出的结论是，提出的PPG设备原型简单可靠，因此可用于低成本智能服装。

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