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Archives of Electrical Engineering

The Journal of Polish Academy of Sciences

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Convergence of the identification algorithm applied to the mutual inductance of the induction motor

Andrzej Jąderko / Jędrzej Pietryka
Published Online: 2012-09-07 | DOI: https://doi.org/10.2478/v10171-012-0027-x

Convergence of the identification algorithm applied to the mutual inductance of the induction motor

A new observer of induction motor state variables is proposed in the paper. A nonlinearity of the main magnetic path is expressed as a function of a properly chosen parameter versus the position vector length. The value of the mutual inductance received in the identification algorithm is calculated exploiting the estimated values of the state variables. The coefficients appearing in the differential equations of the observer system are modified in each step of the algorithm on the basis of the calculated mutual inductance. The analysis of convergence of the identification algorithm is shown in this paper.

Keywords: induction motor; mutual inductance; identification; convergence

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About the article

Published Online: 2012-09-07

Published in Print: 2012-09-01

Citation Information: Archives of Electrical Engineering, Volume 61, Issue 3, Pages 337–345, ISSN (Print) 0004-0746, DOI: https://doi.org/10.2478/v10171-012-0027-x.

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