基于动态条件下压力传感器的嵌入式血压测量系统设计Design of an embedded blood pressure measurement system of pressure sensor under dynamic condition
梅紫萍,耿杰,黄艺
摘要(Abstract):
传统血压测量系统测量血压值误差较大,无论是性能还是稳定性都相对较差,不能满足临床使用条件,为了解决该问题,提出基于动态条件下压力传感器的嵌入式血压测量系统设计。通过分析嵌入式血压测量系统整体框架,设计系统硬件结构与软件功能;在系统硬件核心部分移植嵌入式微处理器,并对气泵气阀控制、FLASH接口以及液晶显示电路进行设计;制定串口通信协议,利用程序语言完成数据收发处理,由此对血压进行准确测量。通过实验验证该系统设计十分合理,且具有血压值误差小、性能稳定的优势,能够满足人们对血压测量高标准要求。
关键词(KeyWords): 动态条件;压力传感器;嵌入式系统;血压测量;移植;电路
基金项目(Foundation):
作者(Author): 梅紫萍,耿杰,黄艺
DOI: 10.16652/j.issn.1004-373x.2018.21.041
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