An adaptive output feedback control for a class of nonlinear systems with time-varying parameters

1999 ◽  
Vol 44 (11) ◽  
pp. 2190-2194 ◽  
Author(s):  
R. Marino ◽  
P. Tomei
Keyword(s):  
Feedback Control ◽  
Nonlinear Systems ◽  
Output Feedback ◽  
Output Feedback Control ◽  
Time Varying ◽  
Varying Parameters ◽  
Adaptive Output Feedback Control ◽  
Time Varying Parameters

Robust Observer-Based Output Feedback Control for Time-Varying Systems

2013 ◽  
Vol 479-480 ◽  
pp. 889-893
Author(s):  
Chieh Chuan Feng
Keyword(s):  
Feedback Control ◽  
Output Feedback ◽  
Output Feedback Control ◽  
Performance Measure ◽  
Time Varying ◽  
Loop Control ◽  
Varying Parameters ◽  
Time Varying Parameters ◽  
Time Varying Systems ◽  
System States

In this paper, we study the robust output feedback control for a class of time-varying systems where the observer is used to estimate the system states and a learning scheme is also proposed to learn the time-varying parameters. A regulator control problem is pursued with known time-varying bounds. It is shown that to estimate the system states asymptotically only part of the time-varying function need to be learned, not necessarily all the time-varying parameters. The designed output feedback closed-loop control system guarantees a robust norm bound performance measure and uniformly asymptotic stability based on quadratic stability.

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