✦ LIBER ✦

A controller-observer scheme for induction motors based on passivity feedback equivalence and sliding modes

✍ Scribed by D. Taoutaou; R. Castro-Linares

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 280 KB
Volume: 14
Category: Article
ISSN: 0890-6327
DOI: 10.1002/(sici)1099-1115(200003/05)14:2/3<355::aid-acs584>3.0.co;2-i

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✦ Synopsis

In this paper, a controller-observer scheme, based on passivity feedback equivalence and the sliding mode technique, is designed to achieve rotor velocity and rotor #ux norm tracking for the model of an induction motor. The passivity feedback equivalence control law design is based on a passive decomposition property of induction motors recently proposed in the literature and a sliding mode technique that allows to achieve the control objective, even in the presence of bounded parametric uncertainties. An observer is included in the control design to estimate the magnetic #uxes. A complete study of the passivity and stability properties of the resultant closed-loop system is also made.

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