基于地磁车辆检测器的测速系统研究

Research on Speed Measurement System Based on Geomagnetic Vehicle Detector

通过对比分析了传统的地感线圈、视频、雷达等测速系统的应用现状,明确了现存各种检测方式的不足.基于此,本文提出了一种新型的基于地磁车辆检测器的测速系统,介绍了该系统的组成、工作流程和应用领域;重点分析了基于地磁车辆检测器的车辆速度检测原理和算法流程;对该系统进行了实地速度测试和超速抓拍试验,验证了该系统的有效性.整个系统运行稳定可靠,速度检测精度基本符合应用需求.通过深入分析影响测速精度的各主要因素,提出了进一步提高测速精度的改进措施.

By comparing and analyzing the application status of traditional geodetic coil,video,radar and other speed measuring systems,It clarified the shortcomings of the existing various detection methods.Based on this,a new type of speed measurement system that based on geomagnetic vehicle detectors was proposed.First of all,the composition,workflow and application areas of the system were introduced.Then,the principle of vehicle speed detection and Algorithm flow based on geomagnetic vehicle detector were analyzed carefully.Finally,speed test and speeding snap test were performed to verify the speed measurement system,It was effective,the whole system ran stably and reliably,speed detection accuracy basically met application requirements.Through in-depth analysis of the main factors that affected the accuracy of speed measurement,an improvement measure to further improve the accuracy of speed measurement was proposed.