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The Recursive Measurements Algorithm of Track Center's Location Curve
Author(s): DONG Zhi-guo, HAO Peng-fei, LI Jun-li, LI Yuan-zong
Pages: 1-
2
Year: 2008
Issue:
4
Journal: MECHANICAL MANAGEMENT AND DEVELOPMENT
Keyword: 递推测量; 轨道基准线; 坐标架变换;
Abstract: 在铁轨平顺性的检测中,首先要确定测量的基准线,再以基准线为准测量其他的平顺性参数.文中给出了一种利用递推测量法进行轨道平顺性测量时铁轨基准线的计算方法.按递推测量法设计的基准小车与被测小车在铁轨上行走时的位置关系,通过坐标架变换的方法,得出了铁轨中心线在检测小车的初始坐标系中的位置曲线,即为测量平顺性的基准线.由现场试验可知,这种测量方法的精度高、速度快,可以满足铁轨日常维护时的测量要求.
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