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《Transducer and Microsystem Technologies》 2019-05
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Improvement of rail wear detection algorithm based on two-dimensional laser displacement sensor

ZHOU Zhijie;CHEN Jianzheng;State Key Laboratory of Traction Power,Southwest Jiaotong University;  
There is always some noise and outliers in the rail wear detection system based on two-dimension laser distance sensor. Because of the outliers of raw profile data,the traditional matching algorithm based on nonlinear least squares is very sensitive to the outliers,so that it makes inaccurate matching. So,an improvement has been proposed based on the sum of distance instead of least squares as the object function,and the partial best parameters can be solve by Nelder-Mead algorithm. Effectiveness and the error have been analyzed by simulation,and it is verified in the actual data of tack inspection train. It is concluded that this improvement really improved the profile matching precision.
【CateGory Index】: TP212;U216.3
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【Citations】
Chinese Journal Full-text Database 4 Hits
1 WANG De-ming;WANG Gui-bao;ZHANG Guang-ming;SUN Dong-mei;Nanjing University of Technology;;Application of Optical Profile Scanner in Rail Wear Detection[J];仪表技术与传感器;2014-10
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 HAN Xiao-kun;TONG Wei-guo;School of control and computer enginerring , North China Electric Power University1;;Research on measurement method for crossing distances of transmission lines based on machine vision[J];传感器世界;2015-11
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3 YANG Fei;Guo Xu-dong;ZHAN Gang;School of Medical Instrument and Food Engineering,University of Shanghai for Science and Technology;;An advanced algorithm consisting of Levenberg-Marquardt and Artificial Bee Colony Algorithm applied to locate capsule endoscope[J];中国医学物理学杂志;2015-03
4 ZHU Jin-shan;SUN Li-cheng;HU Jiang-qiang;HE Qing-hua;Navigation College,Dalian Maritime University;China Classification Society;;Neural network recognition model of ship lights based on clonal optimization[J];大连海事大学学报;2015-02
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6 Wu Zejun;Wu Qingyang;Zhang Baichun;Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, College of Electronic Science and Technology, Shenzhen University;;A New Calibration Method for Fisheye Lens Based on Spherical Model[J];中国激光;2015-05
7 ZHU Zhen-xia;ZHANG Fu-jun;WU Tao-tao;HAN Kai;LIU Yang-yang;PENG Qian;SHANG Hai-kun;DONG Chang-long;School of Mechanical Engineering,Beijing Institute of Technology;Hebei Huabei Diesel Engine Company Limited;;Zero-D Predictable Combustion Model Based on Neural Network and Modeling[J];内燃机学报;2015-02
8 GONG Yu-wei;JIA Ming-chun;GUO Zhi-rong;PEI Yu;XU Cai;Navy University of Engineering;Wuhan Second Ship Design and Research Institute;Military Delegate Office of Navy in Wuhan 719th Institute;;The Development of Gamma-ray Spectral Measurement and Analysis Software Spectrum[J];核电子学与探测技术;2015-03
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