DoS干扰攻击下的信息物理系统状态反馈稳定
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(华南理工大学自动化科学与工程学院,广州510640)

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E-mail: aubgxu@scut.edu.cn.

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TP273

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国家自然科学基金-广东联合基金重点项目(U1401253);国家自然科学基金项目(61573153);广东省自然科学基金项目(2016A030313510).


State feedback stabilization of cyber-physical system under DoS jamming attacks
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(College of Automation Science and Technology,South China University of Technology,Guangzhou510640,China)

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    摘要:

    基于网络的工业控制系统作为信息物理系统(CPSs)的一种重要应用正迅猛发展.然而,近年来针对工业控制系统的恶意网络攻击引起了人们对CPS安全问题的广泛关注.拒绝服务(DoS)干扰攻击作为CPS中最容易发生的攻击方式得到了深入研究.对此,提出一种能量受限的、周期的DoS干扰攻击模型,攻击的目的是增大无线信道发生数据包随机丢包的概率.基于一类CPS简化模型,考虑CPS中传感器与控制器(S-C)之间无线信道同时存在DoS干扰攻击和固有随机数据包丢失的情况,采用状态反馈,基于随机Lyapunov函数和线性矩阵不等式方法得到可以保证系统稳定的充分条件,并利用系统稳定的充分条件和锥补线性化算法设计控制器.最后,通过两个数值仿真例子验证所提出控制策略的有效性.

    Abstract:

    Industrial control systems based on the network have developed rapidly as an important application of the cyber-physical systems(CPSs). However, the malicious cyber attacks on the network of the industrial control system have aroused widespread concern about the security of CPSs in recent years. Denial-of-service(DoS) attack, which aims to jam the communication between system components, has been widely studied since this attack pattern is the most accomplishable. In this paper, an energy-constrained periodic DoS jamming attacker model is proposed to increase the probability of stochastic packet dropouts. We consider a class of CPSs with inherent stochastic packet dropouts under DoS jamming attack on the wireless channel between a sensor and a controller. A sufficient condition for the existence of the state feedback controller which guarantees the stochastic stability of the CPS is established based on stochastic Lyapunov function and linear matrix inequality approach. The design of the controller can be solved by the cone complementarity linearization algorithm. Finally, two numerical simulations illustrate the effectiveness of the proposed controller.

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引用本文

汪慕峰,胥布工. DoS干扰攻击下的信息物理系统状态反馈稳定[J].控制与决策,2019,34(8):1681-1687

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  • 在线发布日期: 2019-07-12
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