Pitch actuator fault-tolerant control of wind turbines based on time delay control and disturbance observer

2021 ◽  
Vol 238 ◽  
pp. 109724
Author(s):  
Mahmood Mazare ◽  
Mostafa Taghizadeh ◽  
Pegah Ghaf-Ghanbari
Keyword(s):  
Time Delay ◽  
Wind Turbines ◽  
Disturbance Observer ◽  
Fault Tolerant ◽  
Fault Tolerant Control ◽  
Actuator Fault ◽  
Time Delay Control ◽  
Delay Control

Fault Tolerant Flight Control Based on Time Delay Control

2005 ◽  
Vol 33 (12) ◽  
pp. 54-60
Author(s):  
Jae-Hyun Jin ◽  
Chang-Sun Yoo ◽  
Hyeok Ryu ◽  
Min-Jea Tahk
Keyword(s):  
Time Delay ◽  
Flight Control ◽  
Fault Tolerant ◽  
Time Delay Control ◽  
Delay Control

Composite attitude fault tolerant tracking control for flexible satellite with time delay

2021 ◽  
pp. 095441002110301
Author(s):  
Xiaofeng Xu ◽  
Mou Chen ◽  
Tao Li ◽  
Shuyi Shao ◽  
Qingxian Wu
Keyword(s):  
Time Delay ◽  
Tracking Control ◽  
Disturbance Observer ◽  
Fault Tolerant ◽  
Fault Estimation ◽  
Actuator Fault ◽  
Control Techniques ◽  
Attitude Tracking ◽  
Attitude Tracking Control ◽  
Delay Dependent

This article deals with the problem of attitude tracking control for flexible satellite under flexible vibration disturbance, actuator fault and time delay. Based on disturbance observer and fault tolerant control techniques, the flexible vibration disturbance and actuator fault are effectively estimated by disturbance observer and fault estimation observer, respectively. Meanwhile, a delay-dependent attitude tracking feedback controller is designed to ensure that the reference attitude is stably tracked. To reduce the conservatism of the designed algorithm, a time delay correlative decomposition factor is introduced to make the flexible satellite have a better performance for attitude tracking control. Finally, the effectiveness of the proposed method is illustrated by numerical simulations.

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