Torque Ripple Improvement for Interior Permanent Magnet Synchronous Motor Considering Parameters With Magnetic Saturation

Author

Kim, Seung-Joo ; Lee, Hyung-Woo ; Kim, Kwang-Soo ; Bae, Jae-Nam ; Im, Jong-Bin ; Kim, Cherl-Jin ; Lee, Ju

Author_Institution

Dept. of Electr. Eng., Hanyang Univ., Seoul, South Korea

Volume

45

Issue

10

fYear

2009

Firstpage

4720

Lastpage

4723

Abstract

This paper presents a method to reduce torque ripple considering parameters with magnetic saturation. To estimate parameters of inductances for interior permanent magnet synchronous motor (IPMSM), the proposed method uses recursive least square (RLS) estimation algorithm. The estimated inductances are used for calculating torque and DC link voltage. Using the torque and the DC link voltage estimators, this control method can reduce torque ripple of IPMSM because of keeping linearity of inverter output. Therefore, the torque control system can achieve precise torque control. The proposed control method is verified by computer simulation and experiment.

Keywords

least mean squares methods; permanent magnet motors; recursive estimation; synchronous motors; torque control; DC link voltage estimator; computer simulation; interior permanent magnet synchronous motor; inverter output; magnetic saturation; recursive least square estimation algorithm; torque control system; torque ripple improvement; Interior permanent magnet synchronous motor (IPMSM); least square method; magnetic saturation; torque ripple;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2009.2022053

Filename

5257181