Fault diagnosis and fault-tolerant control design for neutral time delay system

This paper presents a new approach of fault-tolerant control (FTC) for the transmission line as a neutral variable time-delay system. The main goal of this work guarantees faulty neutral variable time delay system stabilization using the state feedback control design based on Lyapunov function and t...

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Bibliographic Details
Published in:Automatika 2023-07, Vol.64 (3), p.422-430
Main Authors: Rabeb, Benjemaa, Aicha, Elhsoumi, Mohamed Naceur, Abdelkrim
Format: Article
Language:English
Subjects:
Actuators
adaptive observer
Closed loops
Control systems
Control theory
fault additive control
Fault diagnosis
Fault tolerance
Feedback control
Liapunov functions
Linear matrix inequalities
Mathematical analysis
neutral variable time delay
State feedback
Systems stability
Time delay systems
Transmission line
Transmission lines
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Summary:This paper presents a new approach of fault-tolerant control (FTC) for the transmission line as a neutral variable time-delay system. The main goal of this work guarantees faulty neutral variable time delay system stabilization using the state feedback control design based on Lyapunov function and the Linear Matrix Inequality resolution. The use of the FTC method is to achieve actuator and sensor fault compensation. This method is based on two steps. The first one is the synthesis of a nominal control, which remains to maintain the closed-loop system stability. The second step is based on adding a new control law to the nominal one to compensate the fault effect on system behaviour and maintain the desired performance in the closed loop system. Then, a conception of an adaptive observer is used to detect and estimate the fault. Finally, the developed approach is applied for the transmission line. The given results are presented to prove the effectiveness of this approach.
ISSN:0005-1144
1848-3380
DOI:10.1080/00051144.2023.2176855