Impedance characteristics analysis for high-sensitive position sensor

Issue title: Proceedings from the 17th International Symposium on Applied Electromagnetics and Mechanics (ISEM 2015)

Guest editors: Fumio Kojima, Futoshi Kobayashi and Hiroyuki Nakamoto

Article type: Research Article

Authors: Yang, Seung-Ho^{a; *} | Hirata, Katsuhiro^a | Ota, Tomohiro^b | Kawase, Yoshihiro^c

Affiliations: [a] Department of Adaptive Machine System, Osaka University, Osaka, Japan | [b] Panasonic Corporation, Osaka, Japan | [c] Department of Electrical, Electronic and Computer Engineering, Gifu University, Gifu, Japan

Correspondence: [*] Corresponding author: Seung-Ho Yang, Department of Adaptive Machine System, Osaka University, 2-1, Yamadaoka, Suita, Osaka 565-0871, Japan. E-mail:seungho.yang@ams.eng.osaka-u.ac.jp

Abstract: In order to design a contactless position sensor using coil impedance, the sensitivity and the linearity of impedance characteristics against the displacement are required. It therefore is very important to clarify the factors which affect the performance of position sensor. In this paper, the effects of components (core, coil and shield case) of position sensor on the impedance sensitivity are calculated by means of the experimental design method and the results are reported.

Keywords: Complex magnetic permeability, high sensitivity, position sensor, design of experiments, impedance analysis

DOI: 10.3233/JAE-162193

Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 52, no. 3-4, pp. 1655-1663, 2016