共查询到19条相似文献,搜索用时 78 毫秒
1.
2.
3.
时滞系统的H^∞状态反馈控制 总被引:19,自引:2,他引:19
提出求解时滞系统的H~∞状态反馈控制问题的代数方法。基于代数Riccati方程,给出了时滞系统的闭环传递函数H~∞范数小于等于某一给定界γ的充分条件,并通过适当构造Lyapunov函数,证明了闭环时滞系统是渐近稳定的。 相似文献
4.
5.
基于Lyapunov泛函方法,对存在状态时滞的线性离散时间系统,给出了滞后相关型无记忆H∞状态反馈控制器设计方案,通过求解相应的线性矩阵不等式即可求得满足设计要求的控制器。 相似文献
6.
7.
考虑一类广义时滞系统的状态反馈H∞控制问题,目的是设计状态反馈控制律,使得闭环系统渐近稳定,且满足一定的H∞性能指标,控制律的设计只需求解一组LMI。数值算例说明了所给方法的有效性。 相似文献
8.
9.
不确定时变时滞系统鲁棒H∞反馈控制器的设计 --LMI方法 总被引:4,自引:0,他引:4
针时一类状态和控制输入同时存在不确定性的具有时变的时滞系统,使用线性矩阵不等式方法研究了其H∞反馈控制器的分析与设计。给出系统具有H∞性能一个线性矩阵不等式(LMI)条件。并通过建立受条件约束的线性矩阵不等式的描述,给出系统的一个一次优状态反馈H∞控制律的设计方法。最后用一个算例验证该设计方法的优越性和有效性。 相似文献
10.
线性广义时滞系统的状态反馈H∞控制 总被引:2,自引:0,他引:2
首先利用线性矩阵不等式(LMI)方法,给出线性广义时滞系统稳定的一个充分条件;然后讨论广义时滞系统的H_∞状态反馈控制,给出控制器存在的充分条件,同时给出控制器的设计.控制器可由矩阵不等式解得。 相似文献
11.
12.
This paper deals with the problem of stability and robust control for both certain and uncertain continuous‐time singular systems with state delay. Systems with norm‐bounded parameter uncertainties are considered. Robust delay‐dependent stability criteria and linear memoryless state feedback controllers based on linear matrix inequality are obtained. By choosing some Lyapunov‐Krasovskii functionals, neither model transformation nor bounding for cross terms is required in the derivation of our delay‐dependent results. Finally, numerical example is provided to illustrate the effectiveness of the proposed method. 相似文献
13.
14.
15.
16.
17.
This paper offers new necessary and sufficient conditions for delay‐dependent asymptotic stability of the linear continuous large scale time delay systems. The obtained conditions of stability are expressed by nonlinear system of matrix equations and the Lyapunov matrix equation for an ordinary linear continuous system without delay. 相似文献
18.
The problem of delay‐dependent robust stabilization for uncertain singular time‐delay systems is investigated in this paper. The parameter uncertainty is assumed to be norm‐bounded and possibly time‐varying, while the time delay considered here is assumed to be constant but unknown. A delay‐dependent condition is presented for a singular time‐delay system to be regular, impulse free, and stable, based on which robust stability analysis and the robust stabilization problem are studied. An explicit expression for the desired state‐feedback control law is also given. The obtained results are formulated in terms of linear matrix inequalities (LMIs), which involve no decomposition of the system matrices. Some numerical examples are given to show the efficiency of the theoretical conditions. 相似文献
19.
输入受限系统的滚动时域预测控制 总被引:2,自引:0,他引:2
针对输入受限系统,提出滚动时域预测控制方法,用线性矩阵不等式和不变椭圆集处理输入受限问题,给出稳定性和可行性条件,并用半正定规划求解控制律.仿真例子表明了本文方法的优点. 相似文献