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The state observer and H∞ control via output feedback for time-delay neutral systems are studied in this paper. A sufficient condition is given for the existence of the H∞ state observer of the system first. And then a new criterion of the stability for the closed loop system via output feedback is presented by two linear matrix inequalities. Finally a numerical example is given to demonstrate the...
In this paper, the design of a global state feedback controller is designed for a class of uncertain T-S fuzzy systems by means of parallel distributed compensator technique and linear matrix inequality technique. The pole of closed-loop system can be placed in a Pre-specified sector region so that the systems satisfy prescribed dynamic performance. At last the existent conditions of solution are...
Based on observer, delay-dependent robust H∞ controller design problem for time-delay systems with a class of nonlinear uncertainties is discussed in the paper. Assuming that the nonlinear uncertain functions in the considered model are gain-bounded, we obtain a sufficient condition for the robustly asymptotic stability and H∞ performance of the closed-loop system in the light of Lyapunov stability...
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