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Sliding mode observers for sensorless control of current-fed induction motors

Bullo, Daniele and Ferrara, Antonella and Rubagotti, Matteo Sliding mode observers for sensorless control of current-fed induction motors. In: Proceedings of the American Control Conference (ACC), 2011. IEEE, 763 -768. ISBN 978-1-4577-0080-4 (2011)

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This paper presents the use of a higher order sliding mode scheme for sensorless control of induction motors. The second order sub-optimal control law is based on a reduced-order model of the motor, and produces the references for a current regulated PWM inverter. A nonlinear observer structure, based on Lyapunov theory and on different sliding mode techniques (first order, sub-optimal and super-twisting) generates the velocity and rotor flux estimates necessary for the controller, based only on the measurements of phase voltages and currents. The proposed control scheme and observers are tested on an experimental setup, showing a satisfactory performance.

Item Type: Book Section
Additional Information: American Control Conference on O'Farrell Street, San Francisco, CA, USA June 29 - July 01, 2011
Uncontrolled Keywords: Lyapunov theory; current regulated PWM inverter; current-fed induction motors; nonlinear observer structure; phase current measurement; phase voltage measurement; reduced-order model; second order sub-optimal control law; sensorless control; sliding mode observers; Lyapunov methods; PWM invertors; electric current measurement;induction motors;observers;rotors;sensorless machine control;variable structure systems;voltage measurement;
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
T Technology > TJ Mechanical engineering and machinery
Research Area: Computer Science and Applications
Depositing User: Users 37 not found.
Date Deposited: 05 Mar 2012 13:49
Last Modified: 30 Sep 2013 12:30
URI: http://eprints.imtlucca.it/id/eprint/1213

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