数据驱动与机理解析方法融合的ICPS自适应综合安全控制
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作者单位:

1. 兰州理工大学 电气工程与信息工程学院,兰州 730050;2. 甘肃省工业过程先进控制重点实验室,兰州 730050

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E-mail: liyaj@lut.edu.cn.

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TP273

基金项目:

国家自然科学基金项目(62163022).


Adaptive integrated security control of ICPS based on data-driven and mechanism analysis fusion method
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Affiliation:

1. College of Electrical and Information Engineering,Lanzhou University of Technology,Lanzhou 730050,China;2. Key Laboratory of Gansu Advanced Control for Industrial Processes,Lanzhou 730050,China

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    摘要:

    针对一类隐蔽虚假数据注入(FDI)和执行器故障共存的工业信息物理融合系统(ICPS),将数据驱动与机理解析方法有机结合,研究综合安全控制与通讯协同设计问题.首先,设计一种服从指数型自适应律的离散事件触发通讯机制(ADETCS),并构建可同时抵御网络FDI攻击和物理部件故障的自适应ICPS框架;然后,基于数据驱动技术,通过优选和优化建立FDI攻击的预测模型PSO-CatBoost,对攻击进行准确重构和补偿;接着,借助于增广型Lyapunov-Krasovskii泛函、改进仿射Bessel-Legendre不等式等少保守性技术,推导出鲁棒观测器和综合安全控制器的求解方法;最后,通过四容水箱实例验证所提出方法的有效性.实验结果表明:将数据驱动的隐蔽FDI重构补偿与机理解析的补偿误差抑制深度融合,主被动协同有效容侵了网络攻击,结合对故障的主动容错,并在ADETCS下随系统行为变化自适应调整触发参数,可显著提升ICPS的双重安全防御能力,节约更多的网络资源.

    Abstract:

    For a class of industrial cyber-physical systems (ICPS) where stealthy false data injection(FDI) and actuator faults coexist, the data-driven and mechanism analysis methods are combined to study the integrated security control and communication co-design problem. Firstly, a discrete event-triggered communication scheme(ADETCS) obeying exponential adaptive law is designed, and an adaptive ICPS framework is constructed to withstand both network FDI attacks and physical component faults. Secondly, based on data-driven technology, the prediction model PSO-CatBoost of FDI attack is established through optimization to accurately reconstruct and compensate the attack. Then, by means of less conservative techniques such as the augmented Lyapunov-Krasovskii functional and improved affine Bessel-Legendre inequality, the solution methods of the robust observer and integrated safety controller are deduced. Finally, the effectiveness of the proposed method is verified through the example of a quadruple tank. The results show that the deep integration of data-driven stealthy FDI reconstruction compensation and mechanism analysis compensation error suppression, the effective tolerance of active-passive cooperation to network atacks, the combination with active fault tolerance, and adaptive adjustment of trigger parameter with the change of system behavior under the ADETCS can significantly increase ICPS dual security defense capability, save more network resources.

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李炜,陈婧婧,李亚洁.数据驱动与机理解析方法融合的ICPS自适应综合安全控制[J].控制与决策,2024,39(9):3079-3089

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  • 在线发布日期: 2024-08-07
  • 出版日期: 2024-09-20
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