基于非线性和剩余容量的网络级联失效模型

Model for Cascading Failures in Complex Networks Based on Non-linear and Surplus Capacity

深入研究网络级联失效理论建模对分析、预防和控制级联失效有重要的理论和现实意义。借鉴已有网络级联失效理论模型的研究成果,提出了一种更符合实际网络并且更实用的级联失效模型。通过在三种典型复杂网络上分别进行数值仿真,得出该模型在抵制级联失效上比以往的模型具有更强的抗毁性。同时比较了这三类网络在该模型不同参数下抵制级联失效的抗毁性,为日后选取合适的网络拓扑结构和与之匹配的可调参数值提供了借鉴意义。

It is an important theoretical and realistic significance for researching model for cascading failures to analyse, prevent and control cascading failures in complex networks. Based on related works, a new cascading model was proposed which is more practical and more suitable for real network. The simulation was executed on three typical complex networks respectively. The results show that the new model reaches the stronger robustness level against cascading failures than previous models. And comparing the robustness level against cascading failures under different parameters in the three networks, it is a reference to choose the suitable topology structure of network and the matching value of adjustable parameter for future.