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Sensors 2017, 17(9), 2079; https://doi.org/10.3390/s17092079

Localization of Ferromagnetic Target with Three Magnetic Sensors in the Movement Considering Angular Rotation

1
School of Marine Science and Technology, Northwestern Polytechnical University, 710072 Xi’an, China
2
Science and Technology on Near-Surface Detection Laboratory, 214035 Wu Xi, China
*
Author to whom correspondence should be addressed.
Received: 1 August 2017 / Revised: 4 September 2017 / Accepted: 6 September 2017 / Published: 11 September 2017
(This article belongs to the Special Issue Magnetic Sensors and Their Applications)
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Abstract

Magnetic detection techniques have been widely used in many fields, such as virtual reality, surgical robotics systems, and so on. A large number of methods have been developed to obtain the position of a ferromagnetic target. However, the angular rotation of the target relative to the sensor is rarely studied. In this paper, a new method for localization of moving object to determine both the position and rotation angle with three magnetic sensors is proposed. Trajectory localization estimation of three magnetic sensors, which are collinear and noncollinear, were obtained by the simulations, and experimental results demonstrated that the position and rotation angle of ferromagnetic target having roll, pitch or yaw in its movement could be calculated accurately and effectively with three noncollinear vector sensors. View Full-Text
Keywords: magnetic detection techniques; ferromagnetic target; the magnetic sensor array; trajectory localization estimation; rotation angle magnetic detection techniques; ferromagnetic target; the magnetic sensor array; trajectory localization estimation; rotation angle
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Gao, X.; Yan, S.; Li, B. Localization of Ferromagnetic Target with Three Magnetic Sensors in the Movement Considering Angular Rotation. Sensors 2017, 17, 2079.

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