相依网络中负载全局分配的级联故障模型
发布时间：2018-11-15 13:33
【摘要】：针对目前不同网络耦合成相依网络的研究不考虑相依边和负载的共同影响,提出一种同时考虑相依边和负载的相依网络级联故障模型。在级联故障中区分连接边和相依边对相依网络的不同作用,负载分配采用基于最短路径长度的可变负载全局分配原则,正常节点分配到的额外负载与距离故障节点的距离成反比关系,相依网络的子网选用IEEE118标准电网、小世界网络和随机图网络。相依网络的仿真结果表明,负载全局分配效应越小,网络抵制故障能力越强,负载故障对级联故障的贡献程度越小,不同耦合网络在特定的容忍系数下取得不同的平均故障迭代步数峰值;而负载全局分配效应较大时,网络崩溃或近似崩溃,平均故障迭代步数与容忍系数呈现近似单调递增关系。
[Abstract]:In view of the fact that different networks are coupled to dependent networks without considering the influence of dependent edges and loads, a cascade fault model of dependent networks is proposed, which considers both dependent edges and loads. In cascading faults, the different roles of connection edge and dependent edge on dependent network are distinguished. The principle of variable load global distribution based on the shortest path length is adopted in load distribution. The additional load assigned to the normal node is inversely proportional to the distance from the fault node. The dependent network subnets are composed of IEEE118 standard network small world network and random graph network. The simulation results of dependent networks show that the smaller the load global distribution effect is, the stronger the network resistance is, and the smaller the contribution of load faults to cascading faults is. Different coupling networks obtain different peak values of average fault iterative steps under specific tolerance coefficients. However, when the load distribution effect is large, the network collapses or approximate crashes, and the average number of iterations of fault increases monotonously with the tolerance coefficient.
【作者单位】： 东莞职业技术学院计算机工程系;
【基金】：国家自然科学基金资助项目(61106019) 广东省高等学校优秀青年教师培养计划项目(YQ2015232) 东莞市社会科技发展项目(2013108101045,2013108101046)~~
【分类号】：O157.5
本文编号：2333446
[Abstract]:In view of the fact that different networks are coupled to dependent networks without considering the influence of dependent edges and loads, a cascade fault model of dependent networks is proposed, which considers both dependent edges and loads. In cascading faults, the different roles of connection edge and dependent edge on dependent network are distinguished. The principle of variable load global distribution based on the shortest path length is adopted in load distribution. The additional load assigned to the normal node is inversely proportional to the distance from the fault node. The dependent network subnets are composed of IEEE118 standard network small world network and random graph network. The simulation results of dependent networks show that the smaller the load global distribution effect is, the stronger the network resistance is, and the smaller the contribution of load faults to cascading faults is. Different coupling networks obtain different peak values of average fault iterative steps under specific tolerance coefficients. However, when the load distribution effect is large, the network collapses or approximate crashes, and the average number of iterations of fault increases monotonously with the tolerance coefficient.
【作者单位】： 东莞职业技术学院计算机工程系;
【基金】：国家自然科学基金资助项目(61106019) 广东省高等学校优秀青年教师培养计划项目(YQ2015232) 东莞市社会科技发展项目(2013108101045,2013108101046)~~
【分类号】：O157.5
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