摘要
为找出城市道路网络遭受自然灾害和人为破坏后的有效修复策略,建立级联失效效应影响下的网络修复策略双层优化模型。模型以网络整体效率为优化目标,考虑在随机和目的攻击下的交通网络级联失效效应对交通状况的影响,采用优化迭代算法求解。最后通过算例分析,检验该模型的实际应用效果,并且与复杂网络一般修复策略进行比较。计算结果表明,通过模型得出的修复策略比其他策略修复效果更好;在交通网络修复研究中考虑级联失效影响是必要的。
A bi-level optimization model considering cascading failure was built to find an effective strategy for repairing urban road network attacked by natural disasters or human.Taking whole network efficiency as the purpose of optimization,the model considers the effects of the failure on the traffic condition.The model was solved by optimization iteration algorithm.A numerical example was used for testing the practical application of the model.The calculation results show that the repair strategy calculated by this model is more effective than others,and that it is necessary to consider caseading failure in urban road network repair research.
出处
《中国安全科学学报》
CAS
CSCD
北大核心
2012年第9期114-120,共7页
China Safety Science Journal
关键词
城市道路网络
级联失效
模式搜索算法
复杂网络
修复策略
urban road network
cascading failure
mode search algorithm
complex network
repair strategy
