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Article Dans Une Revue Asian Journal of Control Année : 2012

Adaptive Nonlinear Control of Induction Motors through AC/DC/AC Converters

Résumé

The problem of controlling induction motors, together with associated AC/DC rectifiers and DC/AC inverters, is addressed. The control objectives are threefold: (i) the motor speed should track any reference signal despite mechanical parameter uncertainties and variations; (ii) the DC Link voltage must be tightly regulated; (iii) the power factor correction (PFC) w.r.t. the power supply net must be performed in a satisfactory way. First, a nonlinear model of the whole controlled system is developed within the Park coordinates. Then, a multi-loop nonlinear adaptive controller is synthesized using the backstepping design technique. A formal analysis based on Lyapunov stability and average theory is made to exhibit the control system performances. In addition to closed-loop global asymptotic stability, it is proved that all control objectives (motor speed tracking, rotor flux regulation, DC link voltage regulation and unitary power factor) are asymptotically achieved, up to small but unavoidable harmonic errors (ripples).
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Dates et versions

hal-00638497 , version 1 (07-11-2011)

Identifiants

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Abderrahim Elfadili, Fouad Giri, Abdelmounime El Magri, Luc Dugard, Fatima Zara Chaoui. Adaptive Nonlinear Control of Induction Motors through AC/DC/AC Converters. Asian Journal of Control, 2012, 14 (6), pp.1470-1483. ⟨10.1002/asjc.478⟩. ⟨hal-00638497⟩
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