Nonlinear state feedback controller for nonlinear systems: Stability analysis and design based on fuzzy plant model

2001 ◽  
Vol 9 (4) ◽  
pp. 657-661 ◽  
Author(s):  
H.K. Lam ◽  
F.H.F. Leung ◽  
P.K.S. Tam
Keyword(s):  
Stability Analysis ◽  
Nonlinear Systems ◽  
State Feedback ◽  
Feedback Controller ◽  
Plant Model ◽  
Analysis And Design ◽  
State Feedback Controller ◽  
Nonlinear State

Tracking a Chaotic System Using an Observer-Based Nonlinear State-Feedback Controller

2011 ◽  
Vol 403-408 ◽  
pp. 4643-4648
Author(s):  
Tanushree Roy ◽  
Aparajita Sengupta
Keyword(s):  
Nonlinear System ◽  
Trajectory Tracking ◽  
State Feedback ◽  
Duffing Oscillator ◽  
Feedback Controller ◽  
Nonlinear Observer ◽  
Single Input Single Output ◽  
State Feedback Controller ◽  
Single Output ◽  
Nonlinear State

This paper attempts to design a Luenberger-like nonlinear observer and a nonlinear state-feedback controller for trajectory tracking of a single-input/single-output nonlinear system exhibiting chaotic dynamics. Using a nonlinear transformation, the nonlinear system is first transformed into a linear system and thereafter a control law is designed for trajectory tracking. The controller, designed on the basis of an input-output linearized model, is applied on both the linearized as well as the nonlinear system. The results are validated through simulation on a Duffing oscillator.

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