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针对复合攻击的异质多代理系统的弹性输出控制控制:一个数字双胞胎方法
IEEE transactions on cybernetics
|November 20, 2023
概括
本研究介绍了一种安全的数字双胞胎层,用于对应复合网络攻击的多代理系统的弹性控制. 它确保了系统的稳定性和性能,尽管有复杂的拒绝服务和执行攻击.
科学领域:
- 控制系统工程 控制系统工程
- 网络安全 网络安全
- 分布式系统 分布式系统
背景情况:
- 不同质的多代理系统面临复杂的网络攻击,如DoS,FDI,伪装和执行攻击.
- 在这些系统中确保弹性输出封闭控制是具有挑战性的,因为复合威胁和建模不确定性.
研究的目的:
- 开发一个分布式的弹性输出制控制策略,用于在复合攻击下异质的多代理系统.
- 通过使用数字双胞胎层 (TL) 来增强系统安全性和隐私,以管理复杂的攻击场景.
主要方法:
- 使用数字双胞胎层 (TL) 将控制问题分解为TL特定的任务和网络物理层 (CPL) 特定的任务.
- 在TL上使用分布式观察员和估计器来重建领导者动态,并估计DoS攻击下的追随者状态.
- 分散的自适应控制方案是为CPL设计的,以应对执行攻击并确保输出调节.
主要成果:
- 拟议的方法使追随者能够实现统一的最终界限 (UUB) 趋同.
- UUB 趋同的上限明确确定,提供绩效保证.
- 通过模拟和实验示例验证有效性.
结论:
- 数字双胞胎支持的方法有效地解决了在复合攻击下异质的多代理系统中的分布式弹性输出封闭控制.
- 拟议的防御协议增强了系统安全性和对复杂的网络威胁的稳定性.
- 控制方案确保可预测的系统性能,并确定了收界限.
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