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首页> 外文会议>2015 5th International Conference on Electric Utility Deregulation and Restructuring and Power Technologies >Complete observation against attack vulnerability for cyber-physical systems with application to power grids
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Complete observation against attack vulnerability for cyber-physical systems with application to power grids

机译：全面观察针对网络物理系统的攻击漏洞，并将其应用于电网

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摘要

This paper presents a novel framework based on system observability to solve the structural vulnerability of cyber-physical systems (CPSs) under attack with application to power grids. The adding power measurement point method is applied to detect the angle and voltage of the bus by adding detection points between two bus lines in the power grid. Then the generator dynamic equations are built to analyze the rotor angles and angular velocities of generators, and the system is simplified by the Power Management Units (PMUs) to observe the status on the generators. According to the impact of a series of attacks on the grid, we make use of grid measurements detection and state estimation to achieve observation status on the grid, enabling the monitor of the entire grid. Finally it is shown that the structural vulnerability against attacks can be solved by combining with the above-mentioned observations. Finally, some simulations are used to demonstrate the effectiveness of the proposed method. It is shown that some attacks can be effectively monitored to improve CPS security.
机译：本文提出了一种基于系统可观察性的新颖框架，以解决遭受攻击的电子物理系统（CPS）的结构脆弱性，并将其应用于电网。通过在电网中的两条母线之间添加检测点，使用相加功率测量点方法来检测总线的角度和电压。然后建立发电机动力学方程来分析发电机的转子角和角速度，并通过功率管理单元（PMU）简化系统，以观察发电机的状态。根据一系列攻击对网格的影响，我们利用网格测量检测和状态估计来实现对网格的观察状态，从而实现对整个网格的监视。最终表明，结合上述观察结果可以解决针对攻击的结构脆弱性。最后，一些仿真被用来证明该方法的有效性。结果表明，可以有效监视某些攻击以提高CPS安全性。

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