Series-based approximate approach of optimal tracking control for nonlinear systems with time-delay

被引：5
|
作者：
Tang, Gongyou [1 ]
Fan, Mingqu [1 ,2 ]
机构：
[1] Ocean Univ China, Coll Informat Sci & Engn, Qingdao 266100, Peoples R China
[2] Shandong Univ Sci & Technol, Coll Informat & Engn, Jinan 250031, Peoples R China
来源：
PROGRESS IN NATURAL SCIENCE | 2008年 / 18卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Nonlinear systems; Time-delay; Tracking control; Optimal control; Observer;
D O I：
10.1016/j.pnsc.2008.03.033
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The optimal output tracking control (OTC) problem for nonlinear systems with time-delay is considered. Using a series-based approximate approach, the original OTC problem is transformed into iteration solving linear two-point boundary value problems without time-delay. The OTC law obtained consists of analytical linear feedback and feedforward terms and a nonlinear compensation term with an infinite series of the adjoint vectors. By truncating a finite sum of the adjoint vector series, an approximate optimal tracking control law is obtained. A reduced-order reference input observer is constructed to make the feedforward term physically realizable. Simulation examples are used to test the validity of the series-based approximate approach. (c) 2008 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
引用
收藏
页码：1571 / 1576
页数：6
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