受网络攻击影响的网络控制系统的混合HSymboleB@及被动控制
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引用本文:韩 晴,赵立英,白 敬.受网络攻击影响的网络控制系统的混合HSymboleB@及被动控制[J].计算技术与自动化,2021,(2):1-7
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作者单位
韩 晴,赵立英,白 敬 (北京科技大学 数理学院北京 100083) 
中文摘要:针对受两种随机网络攻击影响的网络控制系统(Networked Control Systems,NCS),在分散事件触发机制下,考虑网络时延,通过选取适当的Lyapunov函数,得到了闭环NCS渐进稳定的充分条件,同时使系统具有混合HSymboleB@及被动性能。其次,在稳定性判据下,给出控制器的设计方法。分散事件触发机制将传感器和事件触发器进行空间分布式设置,缓解了网络拥堵,攻击影响下混合HSymboleB@及被动控制器的设计保证网络安全的同时增强了系统的抗干扰能力。最后,通过Matlab进行仿真,验证了所提方法的有效性。
中文关键词:混合HSymboleB@及被动性能  随机网络攻击  分散事件触发  时延
 
Mixed HSymboleB@ and Passive Control for Networked Control Systems Subject to Cyber-attacks
Abstract:Based on the decentralized event-triggered mechanism, for Networked Control Systems (NCS) affected by network-induced delay and two kinds of randomly occurred cyber-attacks, sufficient conditions of asymptotic stability and mixed HSymboleB@ and passive performance of the closed-loop NCS are obtained by selecting appropriate Lyapunov functions. Secondly, under the stability criterion, the design method of the controller is given. The sensors and event generators are spatially distributed in decentralized event-triggered mechanism to ease the network congestion. The design of mixed HSymboleB@ and passive controller subject to cyber-attacks ensures the network security and enhances the anti-interference performance of the system. Finally, the effectiveness of the proposed method is verified by Matlab simulation.
keywords:mixed HSymboleB@ control and passive performance  stochastic cyber-attacks  decentralized event-trigger  time delay
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