This paper considers the problem of robust stabilization for uncertain neutral delay-differential systems. Based on the Lyapunov method, a delay-dependent criterion for determining the stability of systems is obtained...
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This paper considers the problem of robust stabilization for uncertain neutral delay-differential systems. Based on the Lyapunov method, a delay-dependent criterion for determining the stability of systems is obtained in terms of matrix inequalities, which can be easily solved by efficient convex optimization algorithms. Then, the method presented is extended to systems with controller gain variations, that is, the design problem for the nonfragile controller is considered. A numerical example is included to illustrate the design procedure of the proposed method. (C) 2004 Elsevier Inc. All rights reserved.
This paper is concerned with the nonfragile H-infinity controllers design problem for linear time-invariant systems. The controller to be designed is assumed to have norm-bounded uncertainties. Design methods are pres...
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This paper is concerned with the nonfragile H-infinity controllers design problem for linear time-invariant systems. The controller to be designed is assumed to have norm-bounded uncertainties. Design methods are presented for dynamic output (measurement) feed back. The designed controllers with uncertainty (i.e. nonfragile controllers) are such that the closed-loop system is quadratically stable and has an H-infinity disturbance attenuation bound. Furthermore, these robust controllers degenerate to the standard H-infinity output feedback control designs, when the controller uncertainties are set to zero.
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