Flux linkage full-rank identification method for permanent magnet of PMSM
A permanent magnet flux linkage and identification method technology, which is applied in the field of PMSM permanent magnet flux full-rank identification, can solve the problems that the influence of identification accuracy is not considered, and the identification results are easily affected by measurement noise.
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[0051] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0052] A PMSM permanent magnet flux full-rank identification method, the steps are as follows:
[0053] Step 1: Obtain the stator voltage u on the d-q axis of PMSM d And u q , The stator current i d And i q And PMSM drive system rotor electrical angular velocity ω e .
[0054] The stator voltage u on the d-q axis of the PMSM d And u q , The stator current i d And i q There are two ways to obtain:
[0055] (1) Sampling PMSM stator line voltage...
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