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Cited 7 time in webofscience Cited 13 time in scopus
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Hysteresis Torque Estimation Method Based on Iron-Loss Analysis for Permanent Magnet Synchronous Motor

Authors
Hwang, Sung-WooLim, Myung-SeopHong, Jung-Pyo
Issue Date
Jul-2016
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Exoskeleton wearable robot; hysteresis torque; iron-loss separation; no-load torque; permanent magnet synchronous motor (PMSM)
Citation
IEEE TRANSACTIONS ON MAGNETICS, v.52, no.7, pp.1 - 4
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON MAGNETICS
Volume
52
Number
7
Start Page
1
End Page
4
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/4371
DOI
10.1109/TMAG.2016.2528998
ISSN
0018-9464
Abstract
In the design process of permanent magnet synchronous motors (PMSMs), the hysteresis torque has so far been ignored under the understanding that it is already small enough. However, for some delicate applications, such as an exoskeleton wearable robot, the hysteresis torque, whose proportion increases under no-load or low-load conditions, needs to be further minimized even though the hysteresis torque has low magnitude. Conventional methods using hysteresis models to calculate the hysteresis torque require a lot of computation resources. Therefore, this paper proposes a simpler method in order to estimate the hysteresis torque using iron-loss experimental data. In the proposed method, the hysteresis torque is derived from the hysteresis loss, which is separated from the iron-loss experimental data by using the modified Steinmetz equation. Finally, the hysteresis torque of the proposed surface-mounted PMSM is measured via experiments to verify the validity of the proposed method. The hysteresis torque is obtained by subtracting the mechanical friction torque from the no-load offset torque. The experimental result is compared with the results obtained from the proposed method.
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Lim, Myung Seop
COLLEGE OF ENGINEERING (DEPARTMENT OF AUTOMOTIVE ENGINEERING)
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