Adaptive stabilization for a class of feedforward systems with zero-dynamics

被引：7

作者：

Shang Fang ^{[1
,2
]}

Liu Yungang ^{[3
]}

Zhang Guiqing ^{[1
,2
]}

机构：

[1] Shandong Jianzhu Univ, Sch Informat & Elect Engn, Jinan 250101, Peoples R China

[2] Shandong Prov Key Lab Intelligent Bldg Technol, Jinan 250101, Peoples R China

[3] Shandong Univ, Sch Control Sci & Engn, Jinan 250061, Peoples R China

来源：

JOURNAL OF SYSTEMS SCIENCE & COMPLEXITY | 2015年 / 28卷 / 02期

关键词：

Adaptive control; feedforward nonlinear systems; unknown control coefficient; unknown linear growth rate; OUTPUT-FEEDBACK STABILIZATION; DELAY;

D O I：

10.1007/s11424-015-3059-7

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

This paper investigates adaptive state feedback stabilization for a class of feedforward nonlinear systems with zero-dynamics, unknown linear growth rate and control coefficient. For design convenience, the state transformation is first introduced and the new system is obtained. Then, the estimation law is constructed for the unknown control coefficient, and the state feedback controller is proposed with a gain updated on-line. By appropriate choice of the estimation law for the control coefficient and the dynamic gain, the states of the closed-loop system are globally bounded, and the state of the original system converges to zero. Finally, a simulation example is given to illustrate the correctness of the theoretical results.

引用

页码：305 / 315

页数：11

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