NDLI: Quick torque ripple suppression controlled fast position servo based on hybrid system of disturbance observer and torque ripple table

Content Provider	IEEE Xplore Digital Library
Author	Seki, Y. Ohishi, K. Yokokura, Y. Ide, Y. Kuraishi, D.
Copyright Year	2015
Description	Author affiliation: Nagaoka Univ. of Technol., Nagaoka, Japan (Seki, Y.; Ohishi, K.; Yokokura, Y.) \|\| SANYO DENKI Co., Ltd., Nagano, Japan (Ide, Y.; Kuraishi, D.)
Abstract	In the field of high-precision position control, the position response requires that there is no vibration. However, a permanent magnet synchronous motor (PMSM) has a wide variety of torque-ripple components, including cogging torque and flux harmonics, which degrade the control performance. Typically, these components are defined as a disturbance torque, and compensation is accomplished by using a disturbance observer. However, a disturbance observer uses a low-pass filter for noise reduction, and it causes phase and amplitude shifts in an estimated value. As a result, it is not possible to perform the appropriate compensation. This paper considers a new structure of disturbance observer based on a zero-order disturbance observer and torque ripple table. It is possible to accurately estimate the instantaneous disturbance torque by using the proposed disturbance observer. The effectiveness of the proposed disturbance observer is confirmed by numerical and experimental results.
Sponsorship	IEEE
Starting Page	000817
Ending Page	000822
File Size	1451753
Page Count	6
File Format	PDF
e-ISBN	9781479917624
DOI	10.1109/IECON.2015.7392200
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-09
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Torque Observers Servomotors Forging Permanent magnet motors Synchronous motors Position control
Content Type	Text
Resource Type	Article

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