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摘要:
In this paper, we focus on the estimation of time delays caused by adversaries in the sensing loop (SL). Based on the literature review, time delay switch (TDS) attacks could make any control system, in particular a power control system, unstable. Therefore, future smart grids will have to use advanced methods to provide better situational awareness of power grid states keeping smart grids reliable and safe from TDS attacks. Here, we introduce a simple method for preventing time delay switch attack on networked control systems. The method relies on an estimator that will estimate and track time delays introduced by an adversary. Knowing the maximum tolerable time delay of the plant’s optimal controller for which the plant remains stable, a time-delay detector issues an alarm signal when the estimated time delay is larger than the minimum one and directs the system to alarm state. In an alarm state, the plant operates under the control of an emergency controller that is local to the plant and remains in this mode until the networked control system state is restored. This method is an inexpensive and simple way to guarantee that an industrial control system remains stable and secure.
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篇名 A Novel Technique for Detection of Time Delay Switch Attack on Load Frequency Control
来源期刊 智能控制与自动化(英文) 学科 医学
关键词 Time Delay SWITCH ATTACK Load Frequency Control DETECTION and Estimation EMERGENCY CONTROLLER
年,卷(期) 2015,(4) 所属期刊栏目
研究方向 页码范围 205-214
页数 10页 分类号 R73
字数 语种
DOI
五维指标
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研究主题发展历程
节点文献
Time
Delay
SWITCH
ATTACK
Load
Frequency
Control
DETECTION
and
Estimation
EMERGENCY
CONTROLLER
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
智能控制与自动化(英文)
季刊
2153-0653
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
250
总下载数(次)
0
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