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《Journal of Graphics》 2017-04
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The Image Detection of Wheel-Rail Relative Lateral Displacement Based on Laser

MA Zengqiang;WANG Yongsheng;SONG Zibin;School of Electrical and Electronics Engineering, Shijiazhuang Tiedao University;  
The position change of wheel rail contact point can directly reflect the wheel-rail contact. Aiming at the disadvantages of current camera monitoring method which is difficult to fully capture the position of the wheel rail contact point, a kind of wheel relative sliding image detection system is designed based on laser source. The system combines a camera with a laser source. The camera and laser source which keep a certain angle to the ground are installed on the bogie to convert wheel relative sliding into the inside rail surface laser spot extraction. The experimental results show that the system can real-time display and store the data of wheel relative sliding. And it has very important significance to the study of high speed locomotive stability and safety.
【Fund】: 国家自然科学基金项目(11372199 11572206 11227201);; 河北省自然科学基金项目(A2014210142)
【CateGory Index】: TP391.41
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