Comparison of Measurement Models for 3D Magnetic Localization and Tracking

Sensors
Guido De AngelisPaolo Carbone

Abstract

In this paper, we consider magnetic positioning and tracking of objects and provide a comparison of the characteristics of two major measurement models: the magnetic dipole model and the mutual inductance model. The numerical results obtained by applying these models to a short-range position measurement application, with a maximum operating distance of approximately 50 cm, are compared. Based on the results of this comparison, a prototype 9-sensor array is developed, experimental tests are performed, and extensive measurement results are presented. Outcomes show the feasibility of tracking the position and orientation of a mobile coil in real time with a median positioning error below 1 cm and a worst-case error of about 2 cm and 11 degrees inside a spatial region of 30 × 30 × 30 cm³ operational volume.

References

May 24, 2007·IEEE Transactions on Bio-medical Engineering·Daniel RoetenbergPeter H Veltink
Nov 21, 2014·Sensors·David GualdaAlejandro Lindo
Dec 23, 2015·Sensors·Zakaria KasmiJörg Blankenbach

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