NDLI: Thrust Ripples Suppression of Permanent Magnet Linear Synchronous Motor

Content Provider	IEEE Xplore Digital Library
Author	Yu-wu Zhu Yun-Hyun Cho
Copyright Year	1965
Abstract	The thrust ripples in permanent magnet linear synchronous motor (PMLSM) are mainly generated by the distortion of the stator flux linkage distribution, reluctance force due to the relative position between the mover and stator, cogging force caused by the interaction between the permanent magnet (PM) and the iron core, and the end effects. This is the significant drawback which will deteriorate the performance of the drive system in high-precision applications. Comparing the complexity of the motor structure design to eliminate the thrust ripples, an optimal control method is more desirable. This paper focuses on thrust ripples reduction based on the predictive control algorithm. To minimize the thrust ripples and realize the high-precision control, the components of thrust ripples are extracted by finite element method (FEM) first and then compensated by injecting the instantaneous current to counteract the thrust ripples using the field-oriented control (FOC) method. The effectiveness of this proposed method is verified by the simulation using Simulink/Matlab according to the comparison between the compensation and noncompensation cases
Sponsorship	IEEE Magnetics Society
Starting Page	2537
Ending Page	2539
Page Count	3
File Size	415992
File Format	PDF
ISSN	00189464
Volume Number	43
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Synchronous motors Stator cores Reluctance generators Synchronous generators Couplings Forging Iron Magnetic cores Permanent magnet motors Reluctance motors thrust ripples Current injection field-oriented control (FOC) permanent magnet linear synchronous motor (PMLSM) predictive control
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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