A VSS identification scheme for time-varying parameters

被引：15
|
作者：
Xu, JX [1 ]
Pan, YJ [1 ]
Lee, TH [1 ]
机构：
[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore
来源：
AUTOMATICA | 2003年 / 39卷 / 04期
关键词：
time-varying parameters; closed-loop identification; variable structure control; rational nonlinear in parameters; sliding mode;
D O I：
10.1016/S0005-1098(02)00303-5
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Based on variable structure system theory and sliding mode, we develop an identification scheme suitable for time-varying parameters. The new identification scheme, working in closed-loop, addresses several key issues in system identification simultaneously: unstable process, highly nonlinear and uncertain dynamics, fast time varying parameters and rational nonlinear in the parametric space. Other important issues associated with identification, such as the persistent excitation property and insensitivity to measurement noise, are also discussed. A robotic manipulator is used as the illustrative example and the basis for comparison. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：727 / 734
页数：8
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