有限时间 H ∞ 控制器 设计用于具有部分未知的过渡概率的随机时间延迟马科维斯跳跃系统
Xinye Guo1, Yan Li2, Xikui Liu1,3
1College of Mathematics and Systems Science, Shandong University of Science and Technology, Qingdao 266590, China.
Entropy (Basel, Switzerland)
|April 26, 2024
概括
本研究开发了有限时间的H∞控制器,用于具有时间延迟和未知概率的随机系统. 这些方法确保了系统的边界性和H∞性能,并通过示例进行了验证.
科学领域:
- 控制理论 控制理论
- 系统工程 系统工程
- 随机系统 随机系统 随机系统
背景情况:
- 随机离散时间马科维跳跃系统是复杂的,因为时间延迟和不确定的过渡概率.
- 对于需要快速响应和保证性能限制的系统,有限时间控制至关重要.
研究的目的:
- 为具有时间延迟和部分未知的过渡概率的随机离散时间马科维斯跳跃系统设计有限时间的H∞控制器.
- 为了确保闭环系统实现有限时间的边界性和有限时间的H∞边界性.
主要方法:
- 构建随机有限时间 (SFT) H∞状态反控制器和基于观察者的控制器.
- 应用Lyapunov-Krasovskii函数式 (LKF) 方法来推导稳定性条件.
- 使用线性矩阵不等式 (LMI) 方法进行控制器增益计算.
主要成果:
- 建立了足够的条件来确定闭环系统的SFT边界性和SFT H∞边界性.
- 使用LMI方法来得出控制器收益.
- 数字示例证明了拟议的控制方案的有效性.
结论:
- 拟议的控制器设计方案有效地解决了针对目标的随机系统的有限时间H∞控制问题.
- LKF和LMI方法为实现所需的系统性能和稳定性提供了强大的框架.
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