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ע⣺ՓڡՓcá2008,25(6):1043-1044l
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(A|WԄӻϵ,Ϻ 200237)

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Adaptive neuro-network-based output-feedback variable structure control for a class of affine nonlinear systems

DU Hong-bin, YU Zhao-xu
( Dept. of Automation, East China Univ. of Science & Technology , Shanghai 200237 , China)

Abstract :Based on the results of prior work, we employ the neuro-network parameterization and adaptive variable structure control to propose an output-feedback control for a class of nonlinear affine systems, avoiding the requirement of the strictly positive realness(SPR) condition. This scheme ensures the desired contraction in control, the boundedness of steady-states and the stability of the closed-loop system. It also provides an easy and clear way for selecting the parameters of the observer and the controller.
Keywords : uncertain nonlinear systems; adaptive control; output feedback control

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