Kybernetika 51 no. 5, 874-889, 2015

Output feedback regulation for large-scale uncertain nonlinear systems with time delays

Shutang Liu, Weiyong Yu and Fangfang ZhangDOI: 10.14736/kyb-2015-5-0874

Abstract:

This paper is concerned with the problem of global state regulation by output feedback for large-scale uncertain nonlinear systems with time delays in the states and inputs. The systems are assumed to be bounded by a more general form than a class of feedforward systems satisfying a linear growth condition in the unmeasurable states multiplying by unknown growth rates and continuous functions of the inputs or delayed inputs. Using the dynamic gain scaling technique and choosing the appropriate Lyapunov-Krasovskii functionals, we explicitly construct the universal output feedback controllers such that all the states of the closed-loop system are globally bounded and the states of large-scale uncertain systems converge to zero.

Keywords:

output feedback, large-scale systems, time-delay systems, global regulation, uncertain nonlinear systems

Classification:

34K35, 62F35, 93A15, 93B52, 93C10, 93C23

paper.pdf

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