滑动模式对非线性高阶完全执行系统的容错控制
IEEE transactions on cybernetics
|October 25, 2024
概括
本研究通过引入耐故障控制策略来解决高阶全动系统 (HOFAS) 中未知的非线性问题. 该方法确保了系统稳定性,尽管组件故障和干扰,通过模拟验证.
科学领域:
- 控制系统工程 控制系统工程
- 非线性动力学是一种非线性动力学.
- 耐故障控制控制的控制方式
背景情况:
- 高级完全执行系统 (HOFAS) 可以处理已知的非线性.
- 实际系统经常面临未知的非线性,如组件故障和外部干扰.
- 现有的方法在HOFAS控制中遇到不确定性.
研究的目的:
- 为未知故障和干扰的非线性HOFAS开发一个强大的容错控制策略.
- 在不利条件下确保闭环系统的稳定性和可靠性.
- 提供独立于非线性函数复杂性的控制设计框架.
主要方法:
- 高级完全执行系统 (HOFAS) 理论的应用.
- 设计一个集成的滑动模式耐故障控制策略.
- 发展状态反和输出反控制器.
- 在输出反控制中使用扩展状态观察器进行状态估计.
主要成果:
- 成功提出了一种新的集成滑动模式故障耐受性控制策略.
- 设计和实施了状态反和输出反控制器.
- 一个扩展状态观察者有效地估计了输出反的系统状态.
- 稳定性分析证明独立于非线性函数的复杂性.
结论:
- 提出的耐故障控制策略有效地确保了非线性HOFAS的稳定性,其中存在未知的故障和干扰.
- 该方法为控制复杂系统提供了一种实用且强大的方法.
- 数字模拟证实了开发的控制策略的有效性.
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