High-performance induction motor speed control using exact feedback linearization with state and state derivative feedback

This paper presents a novel nonlinear speed/position control strategy for the induction motor utilizing exact feedback linearization with state and state derivative feedback. The speed/position and flux control loops utilize nonlinear feedback which eliminates the need for tuning, while ordinary pro...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2004-07, Vol.19 (4), p.1022-1028
Main Authors: Boukas, T.K., Habetler, T.G.
Format: Article
Language:English
Subjects:
Control systems
Control theory
Derivatives
Feedback
Feedback control systems
Feedback linearization
Feedback loop
Flux
High performance systems
Induction motors
Linear programming
Motors
Pi control
Position control
Proportional control
Rotors
Sensitivity analysis
State feedback
Stators
Velocity control
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Summary:This paper presents a novel nonlinear speed/position control strategy for the induction motor utilizing exact feedback linearization with state and state derivative feedback. The speed/position and flux control loops utilize nonlinear feedback which eliminates the need for tuning, while ordinary proportional-integral controllers are used to control the stator currents. The control scheme is derived in rotor field coordinates and employs an appropriate estimator for the estimation of the rotor flux angle, flux magnitude, and their derivatives. The overall control scheme can be easily implemented with a microprocessor-based control platform. An error sensitivity analysis is included which proves the system to be robust to parameter variation and even more, immune to rotor resistance variation. Simulation and experimental results validate the theoretical part of the paper and reveal the high performance and advantages of the novel control scheme.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2004.830042