不确定状态滞后系统时滞相关鲁棒H∞控制
Delay-Dependent Robust H∞ Control for Uncertain State Delayed Systems
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摘要: 研究了不确定状态滞后系统的鲁棒H∞控制问题,假定参数不确定性时变未知但有 界.基于LMI方法,提出了一种新的鲁棒无记忆状态反馈H∞,控制器的设计方法,得出的结 论与时滞大小有关,相对于时滞无关的结论具有较少的保守性.
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关键词:
- 不确定线性系统 /
- H∞控制 /
- 时滞 /
- 鲁棒控制 /
- 线性矩阵不等式(LMI)
Abstract: This paper deals with the robust H∞control problem for uncertain state delayed systems. The parameter uncertainties are time-varying and unknown but norm-bounded. Based on the LMI approach, a new method for designing a robust memoryless state feedback H∞ control law is proposed to stabilize this class of uncertain time-delay systems and to reduce the effect of the disturbance input on the controlled output to a prescribed level for all admissible uncertainties. The results depend on the size of the delays and may be less conservative.-
Key words:
- Uncertain linear systems /
- H∞ control /
- time-delay /
- robust control /
- linear matrix inequality
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