A robust discrete-time adaptive control approach for systems with almost periodic time-varying parameters

被引：12
|
作者：
Abidi, Khalid [1 ]
机构：
[1] Bahcesehir Univ, Dept Mechatron, Istanbul, Turkey
来源：
INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL | 2014年 / 24卷 / 01期
关键词：
periodic adaptation; time-varying parameters; adaptive control; discrete-time system; nonlinear process; MECHANICAL SYSTEMS;
D O I：
10.1002/rnc.2881
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A periodic adaptive control approach is proposed for a class of nonlinear discrete-time systems with time-varying parametric uncertainties which are almost periodic, and the only prior knowledge is the periodicity. The new adaptive controller updates the parameters and the control signal periodically in a pointwise manner over one entire period, in the sequel that achieves a bounded tracking convergence. The result is further extended to scenarios with unknown input gain, higher order dynamics, and tracking. Copyright (c) 2012 John Wiley & Sons, Ltd.
引用
收藏
页码：166 / 178
页数：13
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