On-line Parameter Estimation of Induction Motor based on Continuous Time Model

V. Horga, A. Onea, I. Graur, and C. Boţan (Romania)

Keywords

Identification, estimation, induction motor, vector control, continuous model.

Abstract

The paper presents an on-line recursive algorithm for parameter estimation of the squirrel-cage induction motor. The algorithm uses the continuous parametric model of the induction motor, with certain advantages in the estimation precision and parameters evaluation. The method is based on a technique that uses the Poisson moment functional theory. This technique allows an easy connection between the estimated parameters and the parameters of the equivalent phase circuit. The experimental results obtained through numerical simulation prove the effectiveness of the proposed on-line estimation algorithm.

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