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首页> 外文期刊>Smart Grid, IEEE Transactions on >SCPSE: Security-Oriented Cyber-Physical State Estimation for Power Grid Critical Infrastructures
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SCPSE: Security-Oriented Cyber-Physical State Estimation for Power Grid Critical Infrastructures

机译：SCPSE：电网关键基础设施的面向安全的网络物理状态估计

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摘要

Preserving the availability and integrity of the power grid critical infrastructures in the face of fast-spreading intrusions requires advances in detection techniques specialized for such large-scale cyber-physical systems. In this paper, we present a security-oriented cyber-physical state estimation (SCPSE) system, which, at each time instant, identifies the compromised set of hosts in the cyber network and the maliciously modified set of measurements obtained from power system sensors. SCPSE fuses uncertain information from different types of distributed sensors, such as power system meters and cyber-side intrusion detectors, to detect the malicious activities within the cyber-physical system. We implemented a working prototype of SCPSE and evaluated it using the IEEE 24-bus benchmark system. The experimental results show that SCPSE significantly improves on the scalability of traditional intrusion detection techniques by using information from both cyber and power sensors. Furthermore, SCPSE was able to detect all the attacks against the control network in our experiments.
机译：面对快速蔓延的入侵，要保持电网关键基础设施的可用性和完整性，就需要专门针对此类大规模网络物理系统的检测技术的进步。在本文中，我们提出了一种面向安全的网络物理状态估计（SCPSE）系统，该系统在每个时刻都可以识别网络网络中受损的主机集以及从电力系统传感器获得的恶意修改的测量集。 SCPSE融合了来自不同类型的分布式传感器（例如电力系统仪表和网络侧入侵检测器）的不确定信息，以检测网络物理系统内的恶意活动。我们实施了SCPSE的工作原型，并使用IEEE 24-bus基准测试系统对其进行了评估。实验结果表明，SCPSE通过使用来自网络传感器和功率传感器的信息，大大改善了传统入侵检测技术的可扩展性。此外，SCPSE在我们的实验中能够检测到针对控制网络的所有攻击。

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