Induction machine control using robust eigenstructure assignment

Control of induction machines is well known to be difficult owing to the fact that the models of induction motor are highly non-linear and time variant. In this paper, we propose a very simple approach based on linear eigenstructure assignment and eigenstructure projection to design an efficient con...

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Bibliographic Details
Published in:Control engineering practice 2006, Vol.14 (1), p.29-43
Main Authors: Duval, C., Clerc, G., Le Gorrec, Y.
Format: Article
Language:English
Subjects:
Eigenstructure assignment
Electric power
Engineering Sciences
Induction motor
Kalman filter
Linear matrix inequalities
Robustness
State feedback
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Summary:Control of induction machines is well known to be difficult owing to the fact that the models of induction motor are highly non-linear and time variant. In this paper, we propose a very simple approach based on linear eigenstructure assignment and eigenstructure projection to design an efficient control law. This is the first step to a more global approach using multimodel eigenstructure assignment and self-scheduling. The controller, which is proposed here, is not scheduled (with the rotor speed) but still has correct performance over the entire operating range of the induction motor. A Kalman filter is used to estimate the flux vector. The simulation is based on the non-linear model and the application is made on an experimental bench.
ISSN:0967-0661
1873-6939
DOI:10.1016/j.conengprac.2004.12.009