基于坐标法的既有线整正方法优化  

Optimization of Curve Realignment Algorithm for Existing Railway Based on Coordinate Measurement

作　　者：张少谨 帅文忠 ZHANG Shao-jin;SHUAI Wen-zhong(College of Civil Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China)

机构地区：[1]兰州交通大学土木工程学院

出　　处：《价值工程》2019年第33期287-290,共4页Value Engineering

摘　　要：曲线整正是铁路养修的关键环节,行之有效的算法是灵魂所在。基于最小二乘法和几何重心法提出了拨道量计算的优化方案,以兰新铁路某段曲线为例证实了该算法的可行性。Curve realignment plays a vital role in track maintenance,the essence lies in algorithm.An optimization scheme was proposed based on orthogonal least squares and geometry center algorithm,the feasibility was testified in a curve of Lanzhou-Xinjiang railway.

关 键 词：正交最小二乘法 曲线整正 切曲差 几何重心法 

分 类 号：U216.426[交通运输工程—道路与铁道工程]