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Sensors 2012, 12(5), 6395-6403; doi:10.3390/s120506395
Article

Design of Compensation Coils for EMI Suppression in Magnetostrictive Linear Position Sensors

, , ,  and *
School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
* Author to whom correspondence should be addressed.
Received: 23 February 2012 / Revised: 6 April 2012 / Accepted: 17 April 2012 / Published: 14 May 2012
(This article belongs to the Section Physical Sensors)
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Abstract

This paper presents recent development on magnetostrictive linear position sensors (MLPS). A new compensation coil structure improves the EMI suppression and accuracy considerably. Furthermore, experimental results indicate that the new structure can improve the accuracy to ±0.13 mm nearly double the ±0.2 mm obtained with traditional structures. As another design continuation after the differential waveguide structure, this new structure is a practical and reliable implementation technique for the commercialization of MLPS.
Keywords: magnetostrictive linear position sensor; compensation coil; EMI suppression magnetostrictive linear position sensor; compensation coil; EMI suppression
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Zhang, Y.; Liu, W.; Yang, J.; Lv, C.; Zhao, H. Design of Compensation Coils for EMI Suppression in Magnetostrictive Linear Position Sensors. Sensors 2012, 12, 6395-6403.

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