基于PPG的单传感器多体征检测算法  

A Single⁃Sensor Multi⁃Sign Detection Algorithm Based on PPG

作　　者：裴梓权 陈逸菲[1,2] 孙宁 章刘[1] 蓝天鹤 王未泱 PEI Ziquan;CHEN Yifei;SUN Ning;ZHANG Liu;LAN Tianhe;WANG Weiyang(School of Automation,Nanjing University of Information Science and Technology,Nanjing Jiangsu 210044,China;School of Automation,Wuxi University,Wuxi Jiangsu 214105,China;School of Electronics and Information Engineering,Wuxi University,Wuxi Jiangsu 214105,China)

机构地区：[1]南京信息工程大学自动化学院,江苏南京210044 [2]无锡学院自动化学院,江苏无锡214105 [3]无锡学院电子信息工程学院,江苏无锡214105

出　　处：《电子器件》2024年第2期470-477,共8页Chinese Journal of Electron Devices

基　　金：江苏省高等学校自然科学研究面上项目(19KJB520044);教育部产学合作协同育人项目(202102224006);江苏省研究生科研与实践创新计划项目(SJCX21_0356)。

摘　　要：为了满足人们居家使用多功能、易携带的医疗电子设备的需求,提出基于单MAX30102传感器测量多体征的算法。对MAX30102温度信号进行回归分析以消除人体体表温度与核心温度之间的误差;采用八点移动平均滤波和FFT算法处理MAX30102的PPG信号求心率值;采用R特征值法计算MAX30102的PPG信号交流和直流分量求血氧饱和度值;采用单路MAX30102的PPG信号求PTT并对其进行回归分析以求取血压值。实验结果分析表明,所提算法最终实现在单个MAX30102上测量四种不同体征,且每个体征参数测量的准确性与标准器件相对比都在准许范围内。In order to meet the needs of individuals who want to use multifunctional and portable medical electronic equipment at home,an algorithm is proposed for the measurements of multiple signs based on single MAX30102 sensor.Regression analysis of MAX30102 temperature signal eliminates the error between body surface temperature and core temperature.The PPG signal of MAX30102 is pro⁃cessed by eight⁃point moving average filter and FFT algorithm.The R eigenvalue method is used to calculate the AC and DC components of the PPG signal to obtain the blood oxygen saturation value.The PPG signal of the single channel MAX30102 is used to obtain the PTT and regression analysis of the PTT is performed to get the BP value.The experimental results show that finally four different signs can be measured on one MAX30102 and the accuracy of each sign parameter measurement is within the allowable range compared with the standard device.

关 键 词：PPG MAX30102 单传感器 多体征 

分 类 号：TP212.9[自动化与计算机技术—检测技术与自动化装置]