磁道钉导航的智能公路传感器研制  

作　　者：王春燕[1] 李威[2] 

机构地区：[1]交通部公路科学研究所,北京100088 [2]北京科技大学,北京100083

出　　处：《交通与计算机》2002年第3期10-13,共4页Computer and Communications

摘　　要：文章对具有自主知识产权且成本低廉的磁传感器的设计原理、实验条件和信号特性进行了分析 ,其中信号特性包括测试精度、重复性及稳定性。以该磁传感器为感知元件 ,基于对其信号特性的认识 ,根据模糊控制原理设计的车道追踪控制器实现了基于磁道钉导航的智能公路车道追踪控制任务 ,并且控制精度达到了既定要求。实车试验结果表明 ,该磁传感器是可用的 ,作者对其信号特性的认识是正确的。This paper analyses the design theory,experimental condition and signal characters of a low-cost magnetic sensor,which has been developed by National center of ITS Engineering & Technology(NCITSET), and is owned by RIOH.It began the study of lane-following on intelligent highway with magnetic markers embedded along the centerline of lane roadway in October 2000.NCITSET has got national patent of this sensor.Such characteristics of the signal from the sensor as measuring precision,reappearing possibility and stability are investigated in this paper.Using the developed sensor as detecting device,a software controller with accordance to fuzzy control theory has accomplished the task of making a sample vehicle run in the prescribed lane on the intelligent highway.In the meantime,its result has also reached the precision requirements.Experiment result shows that not only the developed sensor is practical but what found here about the characteristics of signal from the sensor is also correct.

关 键 词：磁道钉导航 磁传感器 智能公路 车道追踪 信号特性 模糊控制 

分 类 号：U495[交通运输工程—交通运输规划与管理] U491[交通运输工程—道路与铁道工程]