影响轨向不平顺检测精度的几个因素  

Factors Which Effect Track Alingnment Irregularity Detecting Precision

作　　者：马小建[1] 朱洪涛[1] 熊瑞文[1] 孙会[1] 

机构地区：[1]南昌大学机电工程学院,江西南昌330029

出　　处：《南昌大学学报（工科版）》2005年第1期12-16,共5页Journal of Nanchang University(Engineering & Technology)

摘　　要：提出了铁路提速遇到的轨向平顺性问题,介绍了平顺性对铁路提速的影响,分析了在利用小型轨道检测装置检测轨道几何形位时,影响轨向不平顺检测精度的几个因素:弦测法原理影响轨向不平顺检测精度;“以小推大”所带来的误差影响轨向不平顺检测精度;由小车单边计算里程所引起的轨向检测误差等,并提出了相应的改进方案.This paper advances the problem of track alingnment irregularity,presents the effect of track alingnment irregularity when the train runs faster, gives briefs on the several factors which effect detecting precision of the track alignment irregularity,and brings forward the reformative projects relative to factors.The factors include:Method of Chord Measuring that effects detecting precision of the track alignment irregularity,the error caused by using the arithmetic of “Using small fetch big”,the error brought about by measuring the mileage on one side.

关 键 词：轨向不平顺 弦测法 数字滤波技术 

分 类 号：U216.3[交通运输工程—道路与铁道工程]