Global output feedback tracking for a class of nonlinear time-delay systems
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摘要
In this paper, we address the problem of global practical tracking by output feedback for a class of nonlinear timedelay systems. The time-delay system under consideration satisfies linear growth condition on unmeasured states with an output dependent incremental rate. By using the dynamic gain scaling technique, a memoryless output feedback tracking controller is developed. With a modified Lyapunov function and appropriate Krasovskii functionals, we show that the output tracking error converges to an arbitrarily small residual set while all the states of the close loop system are bounded.
In this paper, we address the problem of global practical tracking by output feedback for a class of nonlinear timedelay systems. The time-delay system under consideration satisfies linear growth condition on unmeasured states with an output dependent incremental rate. By using the dynamic gain scaling technique, a memoryless output feedback tracking controller is developed. With a modified Lyapunov function and appropriate Krasovskii functionals, we show that the output tracking error converges to an arbitrarily small residual set while all the states of the close loop system are bounded.
引文
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    1Throughout the paper,we use xdto denote the delay term of x,that is,xd=x(t-d)

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