随着我国进入老龄化,老年人的健康监护越来越受到人们的关注,传统的健康监护模式已不能满足需求.而传统的面向家庭用的监护系统比较少,而且功能比较单一、操作性比较复杂、实时性差、价格比较昂贵.近年来伴随着MEMS技术、集成电路技术...随着我国进入老龄化,老年人的健康监护越来越受到人们的关注,传统的健康监护模式已不能满足需求.而传统的面向家庭用的监护系统比较少,而且功能比较单一、操作性比较复杂、实时性差、价格比较昂贵.近年来伴随着MEMS技术、集成电路技术、无线通信技术的不断进步,无线体域网系统(wireless body sensor network)得到长足发展.基于无线体域网技术的应用系统也越来越受到人们的重视.设计了一种基于无线体域网技术的老年人健康监护系统.介绍了基于无线体域网技术的老年人健康监护系统的系统总体架构,重点介绍了无线体域网节点的设计以及无线体域网的系统构成.无线体域网节点包括无线心电与脉搏节点、无线血氧与体温节点.并介绍了各个生理参数的检测方法与检测电路.最后给出了生理参数的检测结果以及智能终端上的处理显示结果.展开更多
To measure the performance of high precision air-pressure sensors in below normal pressure,an automatic measurement instrument has been designed and implemented.It can simulate environment of low pressure from 300hPa ...To measure the performance of high precision air-pressure sensors in below normal pressure,an automatic measurement instrument has been designed and implemented.It can simulate environment of low pressure from 300hPa to 1 000hPa with high accuracy by proportional-integral-derivative(PID)control quickly,and it can also generate various relative humidity by two-pressure control.The results show that this instrument can reach controlled pressure quickly.And it works well with the minimum average pressure difference,and the fluctuation is±0.02hPa at 500hPa.And it can keep in a stable status for a long time.It works well in performance testing of pressure sensors.The structure of the system is simple,takes small investment,and can be operated conveniently.展开更多
文摘随着我国进入老龄化,老年人的健康监护越来越受到人们的关注,传统的健康监护模式已不能满足需求.而传统的面向家庭用的监护系统比较少,而且功能比较单一、操作性比较复杂、实时性差、价格比较昂贵.近年来伴随着MEMS技术、集成电路技术、无线通信技术的不断进步,无线体域网系统(wireless body sensor network)得到长足发展.基于无线体域网技术的应用系统也越来越受到人们的重视.设计了一种基于无线体域网技术的老年人健康监护系统.介绍了基于无线体域网技术的老年人健康监护系统的系统总体架构,重点介绍了无线体域网节点的设计以及无线体域网的系统构成.无线体域网节点包括无线心电与脉搏节点、无线血氧与体温节点.并介绍了各个生理参数的检测方法与检测电路.最后给出了生理参数的检测结果以及智能终端上的处理显示结果.
基金National Basic Research Program of China(No.2011CB302104)Special Fund for Public Welfare(No.GYHY201004004)
文摘To measure the performance of high precision air-pressure sensors in below normal pressure,an automatic measurement instrument has been designed and implemented.It can simulate environment of low pressure from 300hPa to 1 000hPa with high accuracy by proportional-integral-derivative(PID)control quickly,and it can also generate various relative humidity by two-pressure control.The results show that this instrument can reach controlled pressure quickly.And it works well with the minimum average pressure difference,and the fluctuation is±0.02hPa at 500hPa.And it can keep in a stable status for a long time.It works well in performance testing of pressure sensors.The structure of the system is simple,takes small investment,and can be operated conveniently.
