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对于不确定的高阶非线性CPS,针对双通道攻击的固定时间自适应控制
IEEE transactions on cybernetics
|September 29, 2025
概括
本研究介绍了面临双通道欺骗攻击的非线性网络物理系统 (CPS) 的适应性固定时间控制. 这种新的策略增强了对不确定性和攻击的稳定性,而不需要系统功率知识.
科学领域:
- 控制理论 控制理论
- 网络物理系统 (CPS)
- 非线性系统是非线性系统.
背景情况:
- 网络物理系统 (CPS) 容易受到通讯道上的欺骗攻击.
- 在CPS中高阶非线性动态加剧了攻击下的控制挑战.
- 现有的控制策略往往需要先前了解系统参数.
研究的目的:
- 为不确定的高阶非线性CPS开发适应性固定时间控制策略.
- 针对传感器到控制器 (S-C) 和控制器到执行器 (C-A) 道的欺骗攻击.
- 为了确保强大的控制性能,尽管系统不确定性和双通道攻击.
主要方法:
- 使用数学工具,通过C-A通道攻击引发的高阶术语的脱.
- 设计一个强大的控制器,利用受损的状态信息.
- 构建新的利亚普诺夫函数和适应机制来处理非线性不确定性和未知参数.
- 开发一个独立于系统权力的控制策略,以避免奇点.
主要成果:
- 有效地减轻对CPS的双通道欺骗攻击.
- 对于未知的控制系数和在攻击下非线性增长的补偿.
- 展示一种不需要对系统权力事先了解的控制策略.
- 通过模拟验证拟议战略的有效性和可行性.
结论:
- 拟议的自适应固定时间控制策略在双通道欺骗攻击下为非线性CPS提供了增强的稳定性.
- 该方法成功地处理了系统的不确定性,并避免了与未知的系统权力相关的奇点.
- 模拟结果证实了开发的控制方法的实际适用性和有效性.
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