Parameter identification of a Permanent Magnet Synchronous Motor

In this article, the problem of parameter identification and state estimation for synchronous motors is tackled by means of the combination of algebraic techniques, in the context of a step by step approach. The step by step procedure consists in separating the estimation problem in three subsequent steps, in such a manner that it is possible to carry out each identification ( estimation) step. The first one estimates a set of electrical parameters, then a state estimation based on the algebraic derivative approach is performed. The results of the proposed algebraic techniques are used to make possible the last step, in which the mechanical parameters are estimated. Numerical results are used to illustrate the effectiveness of the proposed methodology.