轨道几何状态检测数据里程校正算法研究  

Mileage Calibration Algorithm of Track Geometry Data

作　　者：隋国栋[1] 李海锋[1] 许玉德[1] 

机构地区：[1]同济大学交通运输工程学院,上海201804

出　　处：《交通信息与安全》2009年第6期18-21,共4页Journal of Transport Information and Safety

基　　金：国家自然科学基金资助项目(批准号:50878158);"十一五"国家科技支撑计划资助项目(批准号:115-04-XL-024)资助

摘　　要：同一段铁路线路多次轨道几何状态检测数据间普遍存在一定的里程偏移,若直接使用存在里程偏差的数据参与计算或分析,结果有较大误差,无法保证现场养护维修的效果。文中提出了1种里程自动校正的优化模型,并结合轨道几何状态数据,按照数据预处理、建立校正基库、初步校正及精确校正4个步骤,编制软件实现了该优化方法,从而解决了轨道动态几何状态数据间的里程偏差问题。实例分析表明,该模型正确,效果良好。Significant mileage shifts may exist between track geometry data from the different inspection dates for the same section of the same track.The above data may lead to huge errors.Therefore,the effectiveness and accuracy of maintenance will not be necessarily obtained.An optimization model for automatic mileage calibration is put forward in this paper,and an automatic calibration system is developed based on the above model.Thus,the mileage shift between track geometric data can be calibrated automatically by the following four steps including track geometric data preprocessing,calibration basis data establishing,rough calibration and accurate calibration.The practical data analysis shows that the model is correct and effective.

关 键 词：轨道几何形位 轨道检测 里程偏移 里程校正 

分 类 号：U216.3[交通运输工程—道路与铁道工程]