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This paper aims to design a controller to robustly stabilize uncertain nonlinear systems with time-varying delay and norm bounded uncertainties via Takagi-Sugeno (T-S) fuzzy model. The stabilization conditions are given in the form of linear matrix inequalities using a single Lyapunov-Krasovskii functional (LKF) combining the introduction of some relaxation matrices and only one tuning parameter....
This paper presents a general impulsively-coupled complex dynamical network (ICCDN) model with parametric uncertainty and time-varying delays. Robust synchronization of the ICCDN with uncertainty and delays is investigated. Based on the Lyapunov stability theory, delay-independent synchronization conditions for the ICCDN with uncertainty and delays are obtained. A systematic-design procedure is presented,...
A novel approach was employed to design state feedback Hinfin controller by choosing an appropriate augmented Lyapunov functional. Linear matrix inequality (LMI) method was developed to derive several new stability criteria. It was easy to calculate the feedback control gain through LMI toolbox. And two numerical examples are given to illustrate the effectiveness and the merits of the main results.
In this paper, a robust control strategy for uncertain nonlinear continuous-time plants with disturbances and state delays is proposed. The strategy is based on the uncertainty and disturbance estimator (UDE). Both cases with known and unknown delay are considered. In the case of an unknown time delay, the term with the delay is treated as an additional disturbance to the system. Both nonlinear and...
This paper deals with the problem of output feedback robustly passive control for parameter uncertain systems with time-varying delay. The parameter uncertainties are norm-bounded. We provide a dynamic output feedback controller that guarantees the closed-loop systems strongly robustly stable with strictly passive for all admissible uncertainties. Delay-dependent sufficient conditions for the existence...
As Grid networks grows, the complexity of resource management in Grid networks dramatically increases. To manage the Grid resources efficiently, policy based resource management system is suitable. However, the policy which made at a moment could not be appropriate to other time because the condition of the grid resources with time space changes. Thus, in this paper, we propose asynchronous policy-based...
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