复杂山区铁路客运站自动选址研究

无备选站址条件下的客运站自动选址是线站协同优化的前提和基础,而不局限于车站选址的代价最小化,同时考虑连接车站间区间线路的代价具有重要意义。构建复杂山区铁路客运站自动选址模型,首先,建立综合地理信息模型,基于线站一体化的设计理念,实现单个车站选址,确定站心位置及站坪方向;其次,以公路线形优化模型的改进算法完成站—站间自动选线设计;最后,将车站选址代价与区间线路代价紧密结合起来,计算综合代价,实现站址方案的优选。以山区铁路为例对该方法进行验证,结果表明,该方法能高效生成山区铁路车站方案集,并辅助设计人员进行方案优化。

Research on the Automatic Passenger Station Locating in Complex Mountainous Areas

Setting railway passenger station locations automatically without an alternative is the precondition and foundation of line-station collaborative optimization.It is of great significance to consider the cost of connecting sections between stations,unlimited by minimizing the cost of station site selection.An automatic site selection model for railway passenger stations in complex mountainous areas was constructed through establishing a comprehensive geographic information model.Based on the design concept of line-station integration,the site selection of a single station was realized,and the location of the station center and the direction of the station platform were determined.An improved algorithm was proposed to automatically complete alignment design of sections between stations based on highway alignment optimization model.The cost of station site selection was closely combined with the cost of the lines between section,and the overall cost was calculated to realize the optimization of the site plan.The method was verified by taking mountain railway as an example,and the results show that the method can efficiently generate mountain railway station plan set and assist designers to optimize scheme.