一种基于无线传感器网络的智能交通系统  

An intelligent transportation system based on wireless sensor networks

作　　者：沙超[1] 王汝传[1] 张悦[2] 

机构地区：[1]南京邮电大学计算机学院,江苏南京210003 [2]南京信息职业技术学院机电学院,江苏南京210046

出　　处：《传感器与微系统》2012年第10期81-83,87,共4页Transducer and Microsystem Technologies

基　　金：国家自然科学基金资助项目(61103195);江苏省自然科学基金资助项目(BK2011755);江苏省科技支撑计划资助项目(BE2011844);江苏省高校自然科学基础研究项目(11KJB520014)

摘　　要：设计并实现了一种基于无线传感器网络的智能交通系统。利用布设在道路两端的无线磁阻传感器节点,实时检测车流量,并将该信息传输至汇聚节点与后台管理中心,根据车流量优化道路红绿灯变换循环。实验结果表明:系统对车辆的识别率较高,且在一定程度上提升了道路行车效率。An intelligent transportation system based on wireless sensor networks is designed and realized.Wireless magnetoresistive sensor nodes are deployed at both sides of road to realtime monitor traffic flow and send this information to Sink node and backstage management center.The conversion cycle about the red and green lights is optimized according to the traffic flow.Experimental results show that recognition rate on vehicles is high and efficiency of road traffic is enhanced to a certain extent.

关 键 词：无线传感器网络 智能交通系统 磁阻传感器 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]