基于观察者的自适应性去中心化控制,用于互连的时间延迟非线性完全执行系统,具有非平滑的执行器动力学
IEEE transactions on cybernetics
|August 7, 2025
概括
本研究提出了基于观察者的适应性去中心化控制策略,用于操作器故障的不确定非线性系统. 拟议的方法确保了系统稳定性,尽管未知收益和时间延迟.
科学领域:
- 控制系统工程 控制系统工程
- 非线性系统理论 非线性系统理论
- 适应性控制控制是适应性的
背景情况:
- 分散控制对于大规模互连系统至关重要.
- 处理诸如执行器故障和未知增益之类的不确定性是具有挑战性的.
- 当状态不能直接测量时,需要基于观察者的控制.
研究的目的:
- 为不确定的非线性互联全动系统 (FAS) 开发基于观察者的自适应式去中心化控制.
- 解决不平滑的执行器动态,包括故障和未知的控制收益.
- 在存在时间延迟和不确定性的情况下,确保强大的稳定性.
主要方法:
- 使用动态增益缩放的动态状态观察者的构造.
- 通过高阶FAS (HOFAS) 方法设计一个自适应式去中心化输出反控制器.
- 导出一个闭环结构,考虑执行器有效性损失,未知收益和不确定性.
主要成果:
- 一种控制策略,包括执行器故障和未知的控制收益.
- 使用Lyapunov-Krasovskii (L-K) 函数有效地消除时间延迟效应.
- 在闭环系统中,所有信号都向一个受界区域演示了趋同.
结论:
- 拟议的基于观察者的自适应式去中心化控制对不确定的非线性相互连接的FAS有效.
- 该策略成功地处理了执行器故障,未知增益和时间延迟.
- 模拟示例证实了开发的控制方法的稳定性和有效性.
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