Robust adaptive neural network control for a class of uncertain nonlinear systems with actuator amplitude and rate saturations

被引：38
|
作者：
Yuan, Ruyi [1 ]
Tan, Xiangmin [1 ]
Fan, Guoliang [1 ]
Yi, Jianqiang [1 ]
机构：
[1] Chinese Acad Sci, Inst Automat, Beijing, Peoples R China
来源：
NEUROCOMPUTING | 2014年 / 125卷
关键词：
Actuator saturation; RBF neural network; Adaptive control; Robust control; FLIGHT CONTROL; MAGNITUDE; DESIGN;
D O I：
10.1016/j.neucom.2012.09.036
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
An adaptive controller which is designed with a priori consideration of actuator saturation effects and guarantees H-infinity tracking performance for a class of multiple-input-multiple-output (MIMO) uncertain nonlinear systems with extern disturbances and actuator saturations is presented in this paper. Adaptive radial basis function (RBF) neural networks are used in this controller to approximate the unknown nonlinearities. An auxiliary system is constructed to compensate the effects of actuator saturations. Furthermore, in order to deal with approximation errors for unknown nonlinearities and extern disturbances, a supervisory control is designed, which guarantees that the closed loop system achieves a prescribed disturbance attenuation level so that H-infinity tracking performance is achieved. Steady and transient tracking performance are analyzed and the tracking error is adjustable by explicit choice of design parameters. Computer simulations are presented to illustrate the efficiency of the proposed controller. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：72 / 80
页数：9
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