[关键词]
[摘要]
介绍复杂网络的基本统计指标,包括点的度、 最短距离、网络有效性和介数。在复杂网络理论的基 础上,分析新建线路将给整体网络带来的影响,如度的 增加引起网络抗攻击性的下降和介数增大引起级联失 效现象的加剧,基于度和介数指标的统计来设计新建 线路辅助评价模型。根据上海轨道交通2008年线网 进行案例分析,统计网络的度和介数指标,说明新建线 路应当避免在网络Hub节点换乘,并尽量避免同站多 线换乘,从而达到均衡整个网络压力的目的。
[Key word]
[Abstract]
Thispaperpresentsseveralstatistical indicatorsofcomplexnetwork.Basedonthetheory,theinfluenceofnewlineson thewholenetworkwas analyzed,such as decrease innetwork anti-aggression causedby increase indegree and intensified cascadingfailurephenomenoncausedby increase inbetweenness.Amodel about auxiliarydecision for buildingnewlineswas designedbyadoptingstatisticsofdegreeandbetweenness.ConclusionsweresummerizedaccordingtoShanghaiurbanrail transit in 2008 thatnewlinesshouldavoidcrossingthehubof thewholenetwork,andalsothat threeormorelinesshouldnotconvergeinto onestationtobalancethepressureinthewholenetwork.
[中图分类号]
U231
[基金项目]