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DoS攻击下不确定网络控制系统基于事件触发机制的鲁棒有限时间可靠控制
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Abstract:
本文研究了在执行器故障和非周期拒绝服务(Denial of Service, DoS)攻击下不确定网络控制系统(Networked Control Systems, NCSs)基于事件触发机制的鲁棒有限时间稳定性。首先，基于离散事件触发通信方案，提出了一种类似切换的时滞系统模型。然后，通过构造分段Lyapunov-Krasovskii泛函，导出了保证系统有限时间稳定性的充分条件，并以线性矩阵不等式形式表示。此外，给出了鲁棒可靠控制器与事件触发参数的联合设计。最后，通过两个数值算例验证了提出方法的有效性。
In this paper, robust finite-time stability of Networked Control Systems (NCSs) based on event triggering mechanism under actuator failures and non-periodic Denial of Service (DoS) attacks is investigated. First, a switching-like delay system model is presented under discrete event-triggered communication scheme. Then, by constructing piecewise Lyapunov-Krasovskii functional, sufficient conditions for finite-time stability of the system are derived and expressed with a set of linear matrix inequalities. Moreover, the co-design of the robust reliable controller and the event-triggered parameter is obtained. Finally, two examples are employed to demonstrate the effectiveness of the proposed method.
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