论文标题
拒绝服务的有限时间稳定性
Finite-Time Stability Under Denial of Service
论文作者
论文摘要
在本文中研究了拒绝服务（DOS）攻击下的网络控制系统的有限时间稳定性，在某些时间间隔中，工厂和控制器之间的通信被损害。为此，提出了基于Lyapunov函数的变化速率的事件触发机制，因此提出了闭环系统保持有限的时间稳定（FTS），同时降低了网络中的数据交换数量。接下来，评估了在发生DOS攻击的情况下提议的事件触发的有限时间控制器的脆弱性，并获得了充分的DOS持续时间和频率条件，以确保在存在某种探针或良好的定期模型的情况下，在DOS攻击的情况下，在没有DOS攻击的情况下，闭环系统的有限时间稳定性。最后，通过模拟研究证明了所提出的方法的效率。
Finite-time stability of networked control systems under Denial of Service (DoS) attacks are investigated in this paper, where the communication between the plant and the controller is compromised at some time intervals. Toward this goal, first an event-triggered mechanism based on the variation rate of the Lyapunov function is proposed such that the closed-loop system remains finite-time stable (FTS) and at the same time, the amount data exchange in the network is reduced. Next, the vulnerability of the proposed event-triggered finite-time controller in the presence of DoS attacks are evaluated and sufficient conditions on the DoS duration and frequency are obtained to assure the finite-time stability of the closed-loop system in the presence of DoS attack where no assumption on the DoS attack in terms of following a certain probabilistic or a well-structured periodic model is considered. Finally, the efficiency of the proposed approach is demonstrated through a simulation study.
