scholarly journals An improved fault-tolerant control scheme for PWM inverter-fed induction motor-based EVs

2013 ◽  
Vol 52 (6) ◽  
pp. 862-869 ◽  
Author(s):  
Bekheïra Tabbache ◽  
Mohamed Benbouzid ◽  
Abdelaziz Kheloui ◽  
Jean-Matthieu Bourgeot ◽  
Abdeslam Mamoune
2020 ◽  
Vol 10 (6) ◽  
pp. 6504-6509
Author(s):  
Z. Boumous ◽  
S. Boumous

This article provides an improved fault-tolerant control scheme for inverter-powered induction motors. The proposed strategy addresses the cancellation of power switch failures (IGBTs) regardless of their location in a reconfigurable induction motor control. The proposed fault-tolerant topology requires only minimal hardware modifications of the conventional six-switch three-phase drive, mitigating IGBT failures through reconfiguration based on the substitution of an entire inverter arm. The detection mechanism is based on the tridimensional method from which a database will be used for the learning of the neural network. In this method, the current from the stator is used as input to the system, so access to the induction motor is not necessary.


Author(s):  
Jun Zhou ◽  
Jing Chang ◽  
Zongyi Guo

The paper describes the design of a fault-tolerant control scheme for an uncertain model of a hypersonic reentry vehicle subject to actuator faults. In order to improve superior transient performances for state tracking, the proposed method relies on a back-stepping sliding mode controller combined with an adaptive disturbance observer and a reference vector generator. This structure allows for a faster response and reduces the overshoots compared to linear conventional disturbance observers based sliding mode controller. Robust stability and performance guarantees of the overall closed-loop system are obtained using Lyapunov theory. Finally, numerical simulations results illustrate the effectiveness of the proposed technique.


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