结构健康监测无线传感网络同步采集研究  

Synchronous Acquisition in Wireless Sensor Networks for Structural Health Monitoring

作　　者：戴亚文[1] 李小强[1] 邱航[1] 

机构地区：[1]武汉理工大学理学院,湖北武汉430070

出　　处：《无线电工程》2010年第9期1-3,共3页Radio Engineering

摘　　要：无线传感网络时间同步和同步采集预同步后,采用物理初始化相对(Physical time,Initialize time,Relative time,PIR)时间分离法,以及时间戳和数据包序号相结合的数据包结构,并对时间信息建立柔性优化模型。该同步采集方法可获取准确的时间信息,具有适用高频采集和低功耗的特点,保障了结构健康监测中同步采集时间信息和场域诊断的可靠性。After time synchronization and pre-synchronization of synchronous acquisition in wireless sensor networks, the PIR time separation method and the time stamp with packet number in packet are used, and a flexible optimization model for time it.formation is created. This method of synchronous acquisition acquires accurate time information. It is applicable to high frequency acquisition and has low consumption, and can guarantee the reliability of synchronous acquisition time information and field performance in structural health monitoring.

关 键 词：结构健康监测 无线传感网络 同步采集 时间信息 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]