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Exact linearization of an induction machine with rotoric flux orientation

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Author(s): Bentaallah Abderrahim | Meroufel Abdelkader | Bendaoud Abdelber | Massoum Ahmed | Fellah Karim Mohamed

Journal: Serbian Journal of Electrical Engineering
ISSN 1451-4869

Volume: 5;
Issue: 2;
Start page: 217;
Date: 2008;
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Keywords: induction machine | non-linear control | field oriented control

ABSTRACT
In this paper, we present the linearization control of an asynchronous machine. It allows decoupling and linearization of the system without including flux orientation. This non-linear control (NLC) applied to the asynchronous machine breaks up the system into two linear and independent mono systems. The speed and the Id current controls are carried out by traditional regulators PI. A qualitative analysis of the evolution of the principal variables describing the behaviour of the global system (IM-control) and its robustness is developed by several tests of digital simulation in the final stage. Numerous tests have been performed under Simulink/Matlab to show the control system performances.
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