Smooth output feedback stabilization for a class of nonlinear systems with time-varying powers

2017 ◽  
Vol 27 (18) ◽  
pp. 5113-5128 ◽  
Author(s):  
Chih-Chiang Chen ◽  
Chunjiang Qian ◽  
Xiangze Lin ◽  
Zong-Yao Sun ◽  
Yew-Wen Liang
Keyword(s):  
Nonlinear Systems ◽  
Output Feedback ◽  
Feedback Stabilization ◽  
Time Varying ◽  
Output Feedback Stabilization

scholarly journals Global Output Feedback Stabilization of Nonlinear Systems with a Time-Varying Power and Unknown Output Function

2018 ◽  
Vol 2018 ◽  
pp. 1-12
Author(s):  
Chao Guo ◽  
Kemei Zhang
Keyword(s):  
Nonlinear Systems ◽  
Output Feedback ◽  
Feedback Stabilization ◽  
Time Varying ◽  
Output Function ◽  
Adding A Power Integrator ◽  
Output Feedback Stabilization ◽  
Open Sector ◽  
Continuous Output ◽  
Reduced Order Observer

This paper studies the problem of global output feedback stabilization for a class of nonlinear systems with a time-varying power and unknown output function. For nonlinear systems with a time-varying power and unknown continuous output function, by constructing a new nonlinear reduced-order observer together with adding a power integrator method, a new function to determine the maximal open sector Ω of output function is given. As long as output function belongs to any closed sector included in Ω, it is shown that the equilibrium point of the closed-loop system can be guaranteed globally uniformly asymptotically stable by an output feedback controller.

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