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

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 a...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2009-10, Vol.45 (10), p.4720-4723
Main Authors: Seung-Joo Kim, Seung-Joo Kim, Hyung-Woo Lee, Hyung-Woo Lee, Kwang-Soo Kim, Kwang-Soo Kim, Jae-Nam Bae, Jae-Nam Bae, Jong-Bin Im, Jong-Bin Im, Cherl-Jin Kim, Cherl-Jin Kim, Ju Lee, Ju Lee
Format: Article
Language:English
Subjects:
Direct current
Electric potential
Interior permanent magnet synchronous motor (IPMSM)
Inverters
least square method
Least squares approximation
Linearity
Magnetic saturation
Magnetism
Parameter estimation
Permanent magnet motors
Permanent magnets
Recursive estimation
Resonance light scattering
Ripples
Saturation (magnetic)
Saturation magnetization
Synchronous motors
Torque
Torque control
torque ripple
Voltage control
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Summary: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.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2009.2022053