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XU Ping, YAO Shu-guang. Motion Analysis Method of Series Images for Train Component Crash[J]. Journal of Traffic and Transportation Engineering, 2006, 6(1): 20-24.
Citation: XU Ping, YAO Shu-guang. Motion Analysis Method of Series Images for Train Component Crash[J]. Journal of Traffic and Transportation Engineering, 2006, 6(1): 20-24.
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Motion Analysis Method of Series Images for Train Component Crash

  • Key Laboratory for Traffic Safety on Track of Ministry of Education, Central South University, Changsha 410075, Hunan, China

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  • Author Bio:

    XU Ping(1971-), male, doctoral student, 86-731-2655294, csxuping@126.com

  • Received Date: 2005-11-05
  • Publish Date: 2006-03-25
    Abstract
  • In order to analyze the crash process of vehicle component, a motion analysis method of sequence images of train component crash was developed on the basis of the characteristic recognition of crash mark point in matching course and the prognostication of motion orientation and motion velocity in searched area by alterable template matching technique, the dynamic deformation process and final remain deformation could be showed, the special marked objects or dynamically selected objects by mouse could be recognized and tracked, and their displacements, velocities and accelerations could be worked out, which were exported by curves, tables and data.Test result shows that the deformation of aluminum alloy circle pipe part is processed in lengthways order from impact end to restraint end, all seven corrugations are shaped and its planform assumes hexagon, its max compressed length is 230.9 mm, the course of plastic deformation takes 64 ms, which indicates that the aluminum alloy component has good plastic fluidity, is fine energy-absorbed component of car-body, the analysis method is feasible.

     

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