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Guaranteed Cost Control of Parameter Uncertain Systems with Time Delay

Jong Hae Kim
Transaction on Control Automation, and Systems Engineering, vol. 2, no. 1, pp.19-23, 2000

Abstract : In this paper, we deal with the problem of designing guaranteed cost state feedback controller for the generalized time-varying delay systems with delayed state and control input. The generalized time delay system problems are solved on the basis of LMI(linear matrix inequality) technique considering time-varying delays. The sufficient condition for the existence of controller and guaranteed cost state feedback controller design methods are presented. Also, using some changes of variables and Schur complements, the obtained sufficient condition can be reformulated as LMI forms in terms of transformed variables. Therefore, all solutions of LMIs, guaranteed cost controller gain, and guaranteed cost are obtained at the same time. The proposed controller design method can be extended into the problem of robust guaranteed cost controller design method for parameter uncertain systems with time-varying delays easily.

Keyword : guaranteed cost control, state feedback, delayed system, LMI

 
 
 
 
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