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In this work we study the problem of fault tolerant controller (FTC) design for Induction Motor (IM) with field oriented control (foc) performances. (T-S) technique is employed in the aim to represent the IM dynamic. A fuzzy controller is designed to preserve the tracking performance en spite the presence of sensor fault. Using L2 optimization and Lyapunov theory the performances of the trajectory...
This paper presents an active fault tolerant control (FTC) strategy for induction motor drive that ensures trajectory tracking and offsets the effect of the sensor faults. The proposed approach considers a time varying fault that takes into account a large class of sensor fault. The physical model of induction motor is approximated by the Takagi-Sugeno (T-S) fuzzy technique in the synchronous d-q...
In this paper we propose a new approach of fault estimation and Fault Tolerant Control (FTC) applied to Linear Time Delay (LTD) systems. To estimate the sensor faults we use the descriptor approach. This method consists in augmenting the state system by considering the faults as an auxiliary state. The used observer can estimate simultaneously both the state of LTD system and sensor faults. The observer...
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