测控通信网络可生存性建模与分析

摘要

测控通信系统是地面指控中心与深空探测器联系的纽带,为了保证探测任务的顺利完成,测控通信网络中使用了大量冗余设备,但不必要的设备冗余不仅不会增加网络的可靠性反而会使网络结构更加复杂,增加后期维护成本,造成资源浪费.针对深空测控通信网络提出一种基于韧性度的可生存性研究方法,同时在计算韧性度时使用了模拟退火粒子群算法并对其进行优化,降低了韧性度计算时的时间复杂度.通过对两种基本网络和一种深空探测信息网络进行仿真,验证了分析方法的有效性.%In order to guarantee its work reliability there is a large amount of redundancy in the network.But unnecessary equipment redundancy instead of increase the reliability of the network, which makes the network structure more complicated, increases the maintenance costs, and cause the waste of resources.In this paper, a research methods for survivability of deep space tracking and command(T&C) network was proposed.To reduce the computing time complexity of tenacity,using simulated annealing particle swarm optimization algorithm ( SAPSO) .Results of experiment conducted in two basic networks and one realistic networks illustrate thatthe algorithm was impactful and high-performance to calculate network tenaci-ty, the reasonable optimization suggestions of network structure design were given in this pa-per.