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有线大坝安全监测系统的线缆敷设是一项复杂的工程,且其监测点的安装、调整、扩充等也不方便。文中提出一种基于ZigBee无线传感器网络的大坝安全监测系统。无线网络由一系列监测节点、路由节点以及终端协调器组成,各监测节点依靠路由节点转发其监测数据至终端协调器,通过通用分组无线电业务(GPRS)网络传送到监控中心。给出了无线传感器节点、协调器的设计,根据水库大坝监测系统的网络拓扑结构,设计了一种有效的分级路由策略。
Cable dam safety monitoring system cable laying is a complex project, and its monitoring point installation, adjustment, expansion, etc. are not convenient. This paper presents a dam safety monitoring system based on ZigBee wireless sensor network. The wireless network consists of a series of monitoring nodes, routing nodes and terminal coordinators. Each monitoring node relies on routing nodes to forward its monitoring data to the coordinator of the terminal and transmits it to the monitoring center through the General Packet Radio Service (GPRS) network. The design of wireless sensor node and coordinator is given. According to the network topology of reservoir dam monitoring system, an effective hierarchical routing strategy is designed.