基于复杂网络的装备系统安全性评估模型

摘要

随着科学技术的发展,新型装备系统结构日趋复杂化,除了系统内部组件数量的剧增之外,各分系统之间的连接关系也越来越复杂,传统的系统安全性评估方法已经不能完全适用于复杂化装备系统.以复杂网络知识为依托、对复杂装备系统的安全性进行评估为目的,构建了以装备分系统为节点、以分系统之间的信息交互关系为连接边的复杂网络模型.针对不同网络拓扑结构对系统安全性的影响,对不同属性节点比例对系统安全性影响进行了对比分析,突出了分系统之间的连接关系对装备系统安全性的影响,为信息化条件下的复杂装备系统安全性评估提供了依据.%With the development of science and technology,new equipment system structure is becoming more complicated.In addition to the dramatic increase in the number of components within the system,each subsystem connection becomes more and more complex,the traditional system safety assessment method has not fully applicable to complex equipment system.Based on the complex networks of knowledge,for the purpose of evaluating the safety of complex equipment system safety,this paper built the complex network model which took the equipment system as node,took information exchange between the system as the connected side.For the influence of different network topologies to the security of the system,it compared the proportion of different attribute node impacted on the safety of the system,analyzed the influence of the connection relationship between the subsystems on the security of the equipment system,which provided a basis for the security evaluation of complex equipment system under the condition of information.