Adaptive Control of Systems with Actuator Failures

2001 ◽  
pp. 111-156 ◽  
Author(s):  
Gang Tao ◽  
Suresh M. Joshi
Keyword(s):  
Adaptive Control ◽  
Actuator Failures

Modeling and adaptive control for a spatial flexible spacecraft with unknown actuator failures

2021 ◽  
Vol 64 (5) ◽  
Author(s):  
Zhijie Liu ◽  
Zhiji Han ◽  
Zhijia Zhao ◽  
Wei He
Keyword(s):  
Adaptive Control ◽  
Flexible Spacecraft ◽  
Actuator Failures

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.

Adaptive Control of Systems with Actuator Failures Using an Adaptive Reference Model

2012 ◽  
Vol 35 (3) ◽  
pp. 938-949 ◽  
Author(s):  
Suresh M. Joshi ◽  
Parag Patre ◽  
Gang Tao
Keyword(s):  
Adaptive Control ◽  
Reference Model ◽  
Actuator Failures
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