| 何胜权,俞立.遭受DoS攻击的短时延网络控制系统保性能控制[J].,2018,58(3):302-308 |
| 遭受DoS攻击的短时延网络控制系统保性能控制 |
| Guaranteed cost control of networked control systems with short network-induced delays under DoS attacks |
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| DOI：10.7511/dllgxb201803011 |
| 中文关键词: 网络控制系统(NCS) DoS攻击 短时延 切换系统 保性能控制 |
| 英文关键词: networked control systems(NCS) DoS attacks short network-induced delays switched systems guaranteed cost control |
| 基金项目:国家自然科学基金资助项目(61673351)；浙江省新苗人才计划资助项目(2016R403071). |
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| 中文摘要: |
| 针对DoS(Denial-of-Service)攻击，分析了具有短时延的网络控制系统(networked control systems，NCS)的稳定性，设计了该系统的保性能控制器．首先，通过采样周期的重新定义，把该类NCS建模成离散切换系统模型，该模型可以把短时延和DoS攻击统一起来．接着，用离散切换系统的分析方法，给出了一个该类NCS指数稳定的充分条件．进一步，在给定的保性能水平下，设计了相应的保性能控制器．最后，通过一个仿真示例说明了结果的有效性． |
| 英文摘要: |
| Aiming at Denial-of-Service (DoS) attacks, the stability of networked control systems (NCS) with short network-induced delays is analyzed, and guaranteed cost controller is designed. Firstly, the NCS is modeled as a discrete-time switched system model by redefining the sampling period. The model can unify the short network-induced delays and DoS attacks. Then, with the analysis method of the discrete-time switched systems, a sufficient condition is derived for the concerned NCS to be exponentially stable. Moreover, an optimal guaranteed cost controller is designed at a given guaranteed cost level. Finally, a simulation example is given to show the effectiveness of the result. |
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