A global tracking control for speed-sensorless induction motors

The problem of controlling an induction motor without rotor speed measurements is addressed. Arbitrary smooth reference signals for rotor speed and rotor flux modulus are required to be tracked globally (i.e. from any initial condition). A global second-order tracking control is obtained, which is b...

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Bibliographic Details
Published in:Automatica (Oxford) 2004-06, Vol.40 (6), p.1071-1077
Main Authors: Marino, R., Tomei, P., Verrelli, C.M.
Format: Article
Language:English
Subjects:
Applied sciences
Computer science
control theory
systems
Control theory. Systems
Exact sciences and technology
Global tracking
Induction motors
Nonlinear control
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Summary:The problem of controlling an induction motor without rotor speed measurements is addressed. Arbitrary smooth reference signals for rotor speed and rotor flux modulus are required to be tracked globally (i.e. from any initial condition). A global second-order tracking control is obtained, which is based on a novel rotor speed observer. Simulation results are provided which illustrate the controller performance.
ISSN:0005-1098
1873-2836
DOI:10.1016/j.automatica.2004.01.022