一个自动供电的无线温度传感器平台用于足部的监测
Joseph Agyemang Duah1, Kye-Shin Lee2, Byung-Gyu Kim3
1Intel Corporation, Chandler, AZ 85226, USA.
Sensors (Basel, Switzerland)
|October 26, 2024
概括
这种自动供电的无线温度传感器使用脚的运动来监测糖尿病脚. 它有效地将机械能量转化为电能,用于连续的数据传输,帮助早期检测.
科学领域:
- 生物医学工程 生物医学工程
- 可穿戴技术可穿戴技术
- 传感器系统 传感器系统
背景情况:
- 糖尿病足带来严重的健康风险,需要持续监测.
- 现有的监控系统通常需要外部电源,这限制了它们的实用性.
- 无线传感器平台为远程患者监控提供了潜力.
研究的目的:
- 开发一种自动供电的无线温度传感器平台,用于糖尿病患者足部的监测.
- 调查用于为传感器供电的压电材料的能量采集能力.
- 评估开发的传感器原型的性能和效率.
主要方法:
- 设计了一个传感器平台,集成了一个用于能源采集的压电双形体,一个电源调节电路,一个温度传感器读数,以及一个无线模块.
- 计算了数据传输的能量需求 (每18字节数据包4.826mJ).
- 原型评估涉及五个在行走过程中体重和脚形状不同的人.
主要成果:
- 压电双形有效地将脚的运动转化为电能,为传感器提供动力.
- 传输数据包的平均步行时间为第一个数据包119.6秒,后一个数据包71.2秒.
- 温度传感器的分辨率为0.1°C,灵敏度为56.7mV/°C,功率调节效率为74.5%.
结论:
- 自动供电的无线温度传感器平台是糖尿病足监测的可行解决方案.
- 该系统展示了从自然脚部运动中有效地收集能量.
- 这项技术可以实现持续的,非侵入性的监测,从而有可能改善患者的治疗结果.
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