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Delay-Dependent Guaranteed Cost H∞ Control of an Interval System with Interval Time-Varying Delay.
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- المؤلفون: Min Xiao1 mx; Zhongke Shi1
- المصدر:
Journal of Inequalities & Applications. 2009, Vol. 2009, Special section p1-16. 16p.
- الموضوع:
- معلومة اضافية
- نبذة مختصرة :
This paper concerns the problem of the delay-dependent robust stability and guaranteed cost H∞ 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. [ABSTRACT FROM AUTHOR]
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