scholarly journals Event-triggered robust adaptive control for discrete time uncertain systems with unmodelled dynamics and disturbances

2019 ◽  
Vol 13 (18) ◽  
pp. 3124-3131 ◽  
Author(s):  
Wenxiu Zhuang ◽  
Changyun Wen ◽  
Jing Zhou ◽  
Zhitao Liu ◽  
Hongye Su
Keyword(s):  
Adaptive Control ◽  
Discrete Time ◽  
Uncertain Systems ◽  
Robust Adaptive Control ◽  
Robust Adaptive ◽  
Event Triggered

scholarly journals Robust adaptive control of a class of nonlinear strict-feedback discrete-time systems with exact output tracking

Automatica ◽  
2009 ◽  
Vol 45 (11) ◽  
pp. 2537-2545 ◽  
Author(s):  
Shuzhi Sam Ge ◽  
Chenguang Yang ◽  
Shi-Lu Dai ◽  
Zongxia Jiao ◽  
Tong Heng Lee
Keyword(s):  
Adaptive Control ◽  
Discrete Time ◽  
Robust Adaptive Control ◽  
Output Tracking ◽  
Discrete Time Systems ◽  
Robust Adaptive ◽  
Time Systems ◽  
Strict Feedback

scholarly journals Robust adaptive control of uncertain discrete-time state-delay systems

2008 ◽  
Vol 55 (12) ◽  
pp. 2887-2902 ◽  
Author(s):  
Magdi S. Mahmoud ◽  
El-Kébir Boukas ◽  
Abdulla Ismail
Keyword(s):  
Adaptive Control ◽  
Discrete Time ◽  
Robust Adaptive Control ◽  
Delay Systems ◽  
State Delay ◽  
Robust Adaptive

Robust Adaptive Control Scheme for Discrete-Time System With Actuator Failures

2004 ◽  
Vol 127 (3) ◽  
pp. 520-526 ◽  
Author(s):  
Juntao Fei ◽  
Shuhao Chen ◽  
Gang Tao ◽  
Suresh M. Joshi
Keyword(s):  
Adaptive Control ◽  
Discrete Time ◽  
System Performance ◽  
Linear Time ◽  
Adaptive Controller ◽  
Robust Adaptive Control ◽  
Discrete Time System ◽  
Control Approach ◽  
Actuator Failures ◽  
Robust Adaptive

A robust adaptive control approach using output feedback for output tracking is developed for discrete-time linear time-invariant systems with uncertain failures of redundant actuators in the presence of the unmodeled dynamics and bounded output disturbance. Such actuator failures are characterized by some unknown inputs stuck at some unknown fixed values at unknown time instants. Technical issues such as plant-model output matching, adaptive controller structure, adaptive parameter update laws, stability and tracking analysis, and robustness of system performance are solved for the discrete-time adaptive actuator failure compensation problem. A case study is conducted for adaptive compensation of rudder servomechanism failures of a Boeing 747 dynamic model presented in discrete time, verifying the desired adaptive system performance in the presence of uncertain actuator failures.

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