Composite anti-disturbance control for Markovian jump nonlinear systems via disturbance observer
Composite anti-disturbance control for Markovian jump nonlinear systems via disturbance observer
复制标题
基于扰动观测器的马尔可夫跳跃非线性系统复合抗扰控制
DOI:
10.1016/j.automatica.2013.05.002
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发表时间:
2013-08
期刊:
影响因子:
6.4
通讯作者:
Guo, Lei
中科院分区:
文献类型:
--
作者:
Yao, Xiuming;Guo, Lei
This paper is concerned with the problems of composite disturbance-observer-based control (DOBC) and ℋ∞control for Markovian jump systems with nonlinearity and multiple disturbances. Our aim is to design a disturbance observer to estimate the disturbance generated by an exogenous system, then construct the control scheme by integrating the output of the disturbance observer with state-feedback control law, such that, the closed-loop system can be guaranteed to be stochastically stable, and different types of disturbances can be attenuated and rejected. By constructing a proper stochastic Lyapunov–Krasovskii functional, sufficient conditions for the existence of the desired observer and the state-feedback controller are established in terms of linear matrix inequalities (LMIs), which can be readily solved by standard numerical software. Finally, a numerical example is provided to show the effectiveness of the proposed approaches.
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