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Defensive Resource Allocation Method for Improving Survivability of Communication and Information System in CPPS Against Cyber-attacks
Journal of Modern Power Systems and Clean Energy ( IF 5.7 ) Pub Date : 2020-03-26 , DOI: 10.35833/mpce.2019.000148
Yingjun Wu , Hao Xu , Ming Ni

With the widespread use of communication and information technology, power system has been evolving into cyber-physical power system (CPPS) and becoming more vulnerable to cyber-attacks. Therefore, it is necessary to enhance the ability of the communication and information system in CPPS to defend against cyber-attacks. This paper proposes a method to enhance the survivability of the communication and information system in CPPS. Firstly, the communication and information system for critical business of power system is decomposed into certain types of atomic services, and then the survivability evaluation indexes and their corresponding calculation method for the communication and information system are proposed. Secondly, considering the efficacy and cost defensive resources, a defensive resource allocation model is proposed to maximize the survivability of communication and information system in CPPS. Then, a modified genetic algorithm is adopted to solve the proposed model. Finally, the simulation results of CPPS for an IEEE 30-node system verify the proposed method.

中文翻译:

防御资源分配方法提高网络攻击中CPPS通信信息系统的生存能力

随着通信和信息技术的广泛使用,电力系统已经发展成为网络物理电力系统(CPPS),并且变得更加容易受到网络攻击。因此,有必要增强CPPS中的通信和信息系统防御网络攻击的能力。提出了一种提高CPPS通信信息系统生存能力的方法。首先将电力系统关键业务的通信和信息系统分解为某些类型的原子服务,然后提出了通信和信息系统的生存能力评估指标及其相应的计算方法。其次,考虑功效和成本防御资源,提出了一种防御性资源分配模型,以最大化CPPS中通信和信息系统的生存能力。然后,采用改进的遗传算法求解该模型。最后,针对IEEE 30节点系统的CPPS仿真结果验证了该方法的有效性。
更新日期:2020-03-26
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