Fault tolerant control based nonlinear approach for motor system
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Date
2024
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Publisher
université de msila
Abstract
This thesis focuses on designing a Fault Tolerant Control (FTC) approach for motor
systems. Electrical motors, widely used in industrial applications, are prone to faults that
compromise efficiency and reliability. The study explores FTC principles and analyzes
faults in motors, particularly addressing challenges in Permanent Magnet Synchronous
Motors (PMSMs). It proposes a novel FTC strategy, combining sliding mode control
(SMC) with nonlinear observers such as fuzzy extended state observer (FESO) and non linear extended state observer (NESO). The aim is to ensure robust PMSM operation
amidst disturbances and faults, as confirmed by simulation results demonstrating en hanced stability and control performance
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Keywords
Fault-Tolerant Control, Permanent Magnet Synchronous Motors, Sliding Mode Control, Fuzzy Extended State Observer, Nonlinear Extended State Observer