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Subject Keyword Abstract Author
Robust and Non-fragile H∞ Control for Descriptor Systems with Parameter Uncertainties and Time Delay

Jong-Hae Kim and Do-Chang Oh
International Journal of Control, Automation, and Systems, vol. 5, no. 1, pp.8-14, 2007

Abstract : This paper describes a robust and non-fragile H∞ controller design method for descriptor systems with parameter uncertainties and time delay, as well as a static state feedback controller with multiplicative uncertainty. The controller existence condition, as well as its design method, and the measure of non-fragility in the controller are proposed using linear matrix inequality (LMI) technique, which can be solved efficiently by convex optimization. Therefore, the presented robust and non-fragile H∞ controller guarantees the asymptotic stability and disturbance attenuation of the closed loop systems within a prescribed degree in spite of parameter uncertainties, time delay, disturbance input and controller fragility.

Keyword : LMI, non-fragile control, parameter uncertainty, singular systems, time delay.

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