混合攻击下直流微电网的FDI估计与模糊控制联合设计
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1. 南京邮电大学 碳中和先进技术研究院,南京 210023;2. 南京邮电大学 自动化学院、人工智能学院,南京 210023

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E-mail: xiexiangpeng1953@163.com.

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TP273

基金项目:

国家自然科学基金项目(62022044).


Joint design of FDI estimation and fuzzy control for DC microgrid under hybrid attacks
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Affiliation:

1. Institute of Carbon Neutral Advanced Technology,Nanjing University of Posts and Telecommunications,Nanjing 210023,China;2. College of Automation & College of Artificial Intelligence,Nanjing University of Posts and Telecommunications,Nanjing 210023,China

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    摘要:

    研究基于T-S模糊模型的直流微电网(DC-MG)系统在拒绝服务(DoS)和虚假数据注入(FDI)混合攻击下的协同估计控制框架.考虑网络化T-S模糊模型和并行分布补偿(PDC)模糊控制规则中的非均匀时间尺度,建立DC-MG系统的T-S模型.为了放宽现有的DoS攻击模型通常假定攻击的频率和持续时间均有限的要求,在攻击信号的休眠和活跃期的已知范围内提出一种新的DoS攻击模型.同时,构造一个切换脉冲观测器来估计由外部动态系统产生的未知FDI攻击信号.然后,利用依赖于攻击参数的时变Lyapunov函数方法,导出系统在混合攻击下的指数稳定性判据.此外,基于线性矩阵不等式给出了模糊控制器和FDI攻击观测器的联合设计方法.最后,通过案例研究验证了所提出理论结果的有效性.

    Abstract:

    This paper studies the cooperative estimation control framework of a DC microgrid (DC-MG) system based on a T-S fuzzy model under the hybrid attacks of denial of service (DoS) and false data injection (FDI). The T-S model of the DC-MG system is established considering the non-uniform time scale of parallel distributed compensation (PDC) fuzzy control rules and the networked T-S fuzzy model. In order to relax the requirement that existing DoS attack models usually assume that the attack frequency and duration are limited, a new DoS attack model is proposed within the known range of the sleep and active periods of the attack signal. At the same time, a switching pulse observer is constructed to estimate the unknown FDI attack signal generated by the external dynamic system. Then, using the time-varying Lyapunov function method depending on the attack parameters, the exponential stability criterion of the system under hybrid attacks is derived. In addition, a joint design method of the fuzzy controller and the FDI attack observer based on linear matrix inequality is presented. Finally, the effectiveness of the proposed theoretical results is verified by a case study.

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解相朋,杨馥伊,魏聪,等.混合攻击下直流微电网的FDI估计与模糊控制联合设计[J].控制与决策,2023,38(8):2335-2345

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  • 在线发布日期: 2023-08-07
  • 出版日期: 2023-08-20
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