Reference Point Line Laser Rutted Road Detection Technology

With the rapid development of China’s highway, highway operators andmanagement in China, become more important, the ruts in the road maintenancemanagement inspection is a road test, the development of rapid, simple, accurate rutdetection equipment is an urgent task.In this paper, the rut detection technology status at home and abroad, and nowrut detection of the common problems faced by-due to the bumps of the test vehicle,before and after pitching makes rut detection accuracy is accurate. The reference pointline laser rut technology, the technology through theoretical the formula to calculatethe comparison of data analysis and experimental verification, can confirm that thereference point line laser rut technology can reduce or even eliminate the rut detectionerror caused due to the vibration of the vehicle itself, before and after the pitch.Reference point line laser the rut detection technology this paper from the followingaspects.Firstly, From the point of view of the optical imaging of the line laser rut detectionprinciple of the rut detection accuracy. Analysis of the structure of the reference pointline laser system to reduce and eliminate errors, analysis of the structure of the systemthrough the reference point line laser rut, the incident angle of the line laser, obtainedrutting calculation formula. Rut measurement requirements, comparative analysis onthe model and the selection of the reference point line laser rut system detectshardware.Secondly, Reference point line laser rut detection system hardware architecture,starting from the rut calculation software, the least squares calibration of the camera,rut image processing method, and the final line structured light coordinates of thecenter line laser incident angle rut depth. Thirdly Actual structures of the analog reference point line laser rut detectionsystem, the calibration of the system used by the camera; experiment simulates thechange of the incident angle of the laser caused by the vibration of the vehicle,collection of large amounts of data, and finally obtained by the image processing therutting data, and finally collected to verify the accuracy and reliability of the referencepoint line laser rutting system.