NDLI: Optimization of Magnetizing Parameters for Multipole Magnetic Scales Using the Taguchi Method

Content Provider	IEEE Xplore Digital Library
Author	Zhi-Hao Xu Sheng-Ching Wang Zhe-Wei Zhang Tsung-Shune Chin Cheng-Kuo Sung
Copyright Year	1965
Abstract	Magnetic encoders are widely used to identify the position or travel distance in machine tools in a harsh environment. A magnetic encoder comprises a magnetic sensor and a magnetic scale, which is a permanent magnet strip magnetized into a multipole configuration. The pole pitch, magnetic flux density, periodicity, and symmetry of a magnetic field pattern are crucial for signal processing to obtain a satisfactory resolution. The magnetic flux density and the accuracy of a magnetic scale with a qualified permanent magnet strip are determined using magnetization technology. This paper focused on the optimization of perpendicular magnetizing parameters, using the Taguchi method, for designing a magnetizer to fabricate the high-quality magnetic scales made of rubber magnets. The parameters included the thickness of the magnetizer core, diameter of the magnet wire, magnetizing current, and magnetizing gap. The optimal parameters of magnetization were determined, and the reproducibility was validated. The average magnetic flux density was increased by ~17% after optimization. In addition, the high-quality magnetic field pattern was achieved and it was advantageous for signal processing.
Sponsorship	IEEE Magnetics Society
Starting Page	1
Ending Page	4
Page Count	4
File Size	1098797
File Format	PDF
ISSN	00189464
Volume Number	51
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic flux Magnetic cores Magnetic hysteresis Saturation magnetization Perpendicular magnetic anisotropy Magnetometers magnetization Magnetic circuit magnetic field magnetic scale
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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