Design of Magnetic Circuit for Weighing Cell Based on Electromagnetic Force Restoration

Taiga MURAI; Tomohiko NAGAYA; Koji FUJIWARA; Yasuhito TAKAHASHI; Kazufumi NAITO; Kozo TERUNUMA; Masaru IKESHIMA

doi:10.14243/jsaem.24.190

Special Issue on The 24rd MAGDA Conference in Tohoku (MAGDA2015)

Design of Magnetic Circuit for Weighing Cell Based on Electromagnetic Force Restoration

Taiga MURAI, Tomohiko NAGAYA, Koji FUJIWARA, Yasuhito TAKAHASHI, Kazufumi NAITO, Kozo TERUNUMA, Masaru IKESHIMA

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Keywords: Weighing cell, Electromagnetic force restoration, Electromagnetic force, Magnetic flux density, Finite element method

JOURNAL FREE ACCESS

2016 Volume 24 Issue 3 Pages 190-195

DOI https://doi.org/10.14243/jsaem.24.190

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Abstract

The compact magnetic circuit, which is composed of force coil, permanent magnet and yoke with larger output is strongly desired to realize downsizing of the weighing cell based on electromagnetic force restoration. New magnetic circuit we have developed is a higher output than the ordinary magnetic circuit. In this study, we have compared the actual measurement result with the analysis result to investigate the detailed magnetic properties of the proposed magnetic circuit. And, we have confirmed the validity of the design.

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