引用本文:孙洪涛,彭晨,王志文.DoS攻击下的信息物理系统事件触发预测控制设计[J].控制与决策,2019,34(11):2303-2309
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DoS攻击下的信息物理系统事件触发预测控制设计
孙洪涛1,2, 彭晨1, 王志文2
(1. 上海大学机电工程与自动化学院,上海200444;2. 兰州理工大学电气工程与信息工程学院,兰州730050)
摘要:
针对信息物理系统(CPS)安全控制设计问题,提出拒绝服务(DoS)攻击下具有任意有界丢包的事件触发预测控制(ETPC)方法.首先,考虑DoS攻击能量的有限性及攻击行为的任意性,将DoS攻击描述为事件触发通信机制下的任意有界丢包;其次,在控制器端利用最近一次收到的状态信息进行控制器增益序列的预测设计以补偿DoS攻击造成的数据包丢失;随后,基于Lyapunov稳定性理论及切换系统分析方法考虑了DoS攻击下CPS的安全性并给出了控制序列设计方法.所提出的ETPC设计方法只需利用最近时刻收到的状态信息,无需满足传统CPS稳定性对最大允许丢包数的约束,为大时滞CPS的稳定性分析及控制提供了有效的解决方案.最后,通过仿真实例验证所提出的基于事件触发预测控制设计方法的有效性.
关键词:  信息物理系统  拒绝服务攻击  事件驱动  预测控制
DOI:10.13195/j.kzyjc.2019.0215
分类号:TP273
基金项目:国家自然科学基金项目(61833011,61673255,61863026);上海市优秀学术带头人项目(18XD1401600).
Event-triggered predictive control of cyber-physical systems under DoS attacks
SUN Hong-tao1,2,PENG Chen1,WANG Zhi-wen2
(1. School of Mechatronic Engineering and Automation,Shanghai University,Shanghai,200444,China;2. College of Electrical and Information Engineering,Lanzhou University of Technology,Lanzhou 730050,China)
Abstract:
This paper investigates security control design of cyber-physical systems(CPS) under denial of service (DoS) attacks. The event-triggered predicative control(ETPC) strategy is proposed to deal with arbitrary bounded packet dropout under DoS attacks for CPS. Firstly, arbitrary bounded packet dropout in the event-triggered communication scheme is employed to describe the effect of DoS attacks by considering its energy-constraint and arbitrariness. Then, a control gain sequence derived by the latest received state is predicted to compensate the packet dropouts caused by DoS attacks at the controller side. In what follows, the security analysis and ETPC design are conducted by using Lyapunov stability theory and the switch system method. The proposed ETPC method only needs the latest received state and dose not need to satisfy with the constraint of maximum allowable packets dropouts bound in traditional stability analysis methods, which provides an effective solution for the analysis and control of CPS with large time delay. Finally the simulation results show the effectiveness of the proposed ETPC method.
Key words:  cyber physical systems  denial of service attacks  event-triggered  predictive control

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