Delay-Dependent Guaranteed Cost Open image in new window Control of an Interval System with Interval Time-Varying DelayReport as inadecuate




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Journal of Inequalities and Applications

, 2009:360928

First Online: 27 September 2009Received: 25 January 2009Revised: 30 June 2009Accepted: 16 August 2009

Abstract

This paper concerns the problem of the delay-dependent robust stability and guaranteed cost Open image in new window control for an interval system with time-varying delay. The interval system with matrix factorization is provided and leads to less conservative conclusions than solving a square root. The time-varying delay is assumed to belong to an interval and the derivative of the interval time-varying delay is not a restriction, which allows a fast time-varying delay; also its applicability is broad. Based on the Lyapunov-Ktasovskii approach, a delay-dependent criterion for the existence of a state feedback controller, which guarantees the closed-loop system stability, the upper bound of cost function, and disturbance attenuation lever for all admissible uncertainties as well as out perturbation, is proposed in terms of linear matrix inequalities LMIs. The criterion is derived by free weighting matrices that can reduce the conservatism. The effectiveness has been verified in a number example and the compute results are presented to validate the proposed design method.

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Author: Min Xiao - Zhongke Shi

Source: https://link.springer.com/



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