基于单片机和磁阻传感器的新型车辆检测器  

New Vehicle Detector Based on SCM and Magnetoresistive Transducer

作　　者：杨惠锋[1] 周奇[1] 

机构地区：[1]重庆工学院电子信息与自动化学院,重庆400050

出　　处：《重庆工学院学报（自然科学版）》2008年第11期12-15,共4页Journal of Chongqing Institute of Technology

基　　金：国家教育部基金资助项目(206121);重庆教委基金资助项目(KJ070618)

摘　　要：设计了一种新型的基于单片机的车辆检测器,介绍了它的工作原理和设计思路,并实际检测了不同情况下的地磁扰动信号.实验结果表明,该车辆检测器测量方法实用性强,精确度较高,即使在交通高峰期,也几乎能准确识别每一车辆.采用磁阻传感器采集信号,具有尺寸小、灵敏度高、使用寿命长等优点.In this paper, a novel vehicle detector is designed based on SCM. Its working principle and design resul idea is introduced, and the geomagnetic disturbance signals in different conditions are detected. The t indicates that the measuring method of this vehicle detector has strong practicality and higher accuracy, and, even in the rush hour, the vehicle detector can identify almost every vehicle exactly. Using the magnetoresistive transducer to collect signal, this vehicle detector has some advantages such as small size, high sensitivity and long working life etc., and it will play an important role in the information collection of intelligent transportation system.

关 键 词：LPC901 磁阻传感器 车辆检测 

分 类 号：U491[交通运输工程—交通运输规划与管理] TP368[交通运输工程—道路与铁道工程]