关联服务网络的连锁故障机理与防御策略研究

项目名称： 关联服务网络的连锁故障机理与防御策略研究

项目编号： No.71201132

项目类型： 青年科学基金项目

立项/批准年度： 2013

项目学科： 管理科学与工程

项目作者： 戴杨

作者单位： 西南交通大学

项目金额： 22万元

中文摘要： 关联的多个服务网络构成了复杂的巨系统，其结构特征、连通特征和动态演化特征都远比单一服务网络复杂。本课题以几种典型的关联服务网络为背景，概括和提取出描述复杂服务网络的拓扑结构新特征，用同配和异配概念刻画两种不同的网络关联特性，提炼关联服务网络系统的效率指标用于衡量复杂关联网络整体的连通特性；考虑了服务网络之间的关联属性，界定连锁故障在网内和网际的不同传播机制，构建关联服务网络的连锁故障模型；分析连锁故障在不同拓扑结构的网络上动态演化的差别，探索关联服务系统的拓扑结构、关联属性和连锁故障传播动力学之间的内在联系，研究重要的拓扑量对连锁故障临界指数的影响；分别从提高关联服务网络中自主节点的比例、优先考虑重要性等级相同的两个网络的节点相互关联、加强对关键节点组成的网络核心的安全保护等方面设计风险防御策略，以提高关联服务网络的抗毁性能力。

中文关键词： 关联服务网络；连锁故障；ArcGIS平台；防御策略；

英文摘要： Several interdependent service networks make up a giant complex system, which has more complicated configuration connectivity and dynamical evolution property than single service system. In this proposal, some typical interdependent service networks will be taken as background, and then the new topology features of interdependent service networks will be extracted. Assortative and disassortative interdependency will be used to descript the relationship among service networks. Efficiency index is proposed to measure the degree of connectivity of the whole service systems. The mechanism of cascading failure and redistribution rule will be well defined, and the cascading failure of interdependent service networks will be modeled. The evolution of cascading failure on different topology of complex networks will be analyzed. Furthermore, the relationship of topology configuration, interdependency property and cascading failure degree will be exposed. How the vital topology variables influence the critical index of cascading failure will also be studied. It is very important to find a way of improving the invulnerability of interdependent service networks. To achieve this goal, there are three methods: increase the fraction of autonomous nodes, particularly nodes with high degree; design the dependence links such that

英文关键词： interdependent network；cascading failure；ArcGIS platform；defense strategy；