Stable adaptive fuzzy controller with time-varying dead-zone

被引：45

作者：

Koo, KM ^{[1
]}

机构：

[1] Kangnung Natl Univ, Dept Elect Engn, Kangwondo 210702, South Korea

来源：

FUZZY SETS AND SYSTEMS | 2001年 / 121卷 / 01期

关键词：

control theory; adaptive fuzzy system; nonlinear system control; direct adaptive tracking control; time-varying dead-zone;

D O I：

10.1016/S0165-0114(99)00157-8

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

This paper proposes an adaptive fuzzy control scheme for a class of continuous-time nonlinear dynamic systems for which explicit linear parameterizations of the uncertainties are either unknown or impossible. To improve robustness under the approximation errors and disturbances, the proposed scheme includes a dead-zone in adaptation laws which varies its size adaptively. The assumption of known bounds on the approximation errors and disturbances is not required since those are estimated using adaptation laws. The overall adaptive scheme is proven to guarantee global uniform ultimate boundedness in the Lyapunov sense. (C) 2001 Elsevier Science B.V.. All rights reserved.

引用

页码：161 / 168

页数：8

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