Magnetic particle detection in unshielded environment using orthogonal fluxgate gradiometer

Ahmed L. Elrefai; Ichiro Sasada

doi:10.1063/1.4913720

Magnetic particle detection in unshielded environment using orthogonal fluxgate gradiometer

Ahmed L. Elrefai, Ichiro Sasada

Electrical Engineering Sciences

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

A new detection system for magnetic particles, which can operate in an unshielded environment, is developed using a fundamental mode orthogonal fluxgate gradiometer. The proposed detection system offers the advantages of cost, size, and weight reduction as compared to contamination detection systems using superconducting quantum interference device sensor. The detection system can be used to detect metallic contamination in foods or lithium ion battery production lines. The system has been investigated numerically to optimize various design parameters of the system. Experimental setup has been developed to evaluate some of the numerically predicted results. Steel balls were successfully detected down to the diameter of 50 μm.

Original language	English
Article number	17C114
Journal	Journal of Applied Physics
Volume	117
Issue number	17
DOIs	https://doi.org/10.1063/1.4913720
Publication status	Published - May 7 2015

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1063/1.4913720

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