A full rank identification method of pmsm permanent magnet flux linkage
A technology of permanent magnet flux linkage and identification method, which is applied in the field of PMSM permanent magnet flux linkage full rank identification, and can solve the problems that identification results are easily affected by measurement noise, and the impact of identification accuracy is not considered.
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[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0052] A PMSM permanent magnet flux linkage full-rank identification method, the steps are as follows:
[0053] Step 1. Obtain the stator voltage u on the d-q axis of the PMSM d and u q , stator current i d and i q and PMSM drive system rotor electrical angular velocity ω e .
[0054] Stator voltage u on the d-q axis of the PMSM d and u q , stator current i d and i q There are two ways to obtain:
[0055] (1) Sampling the stator line voltage u of the...
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