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Simultaneous 2D localization of multiple coils in an LF magnetic field using orthogonal codes

: Psiuk, Rafael; Müller, Alfred; Dräger, Tobias; Ibrahim, Ibrahim; Brauer, Hartmut; Töpfer, Hannes; Heuberger, Albert


Institute of Electrical and Electronics Engineers -IEEE-:
IEEE Sensors 2017. Conference Proceedings : October 29 - November 1, 2017, Glasgow, Scotland, UK
Piscataway, NJ: IEEE, 2017
ISBN: 978-1-5090-1012-7
ISBN: 978-1-5090-1013-4
ISBN: 978-1-5386-4056-2
Sensors Conference <2017, Glasgow>
Conference Paper
Fraunhofer IIS ()

This paper presents a method for the simultaneous and precise localization of multiple coils in a shelf based on low frequency magnetic fields. The separation of the signals is achieved by modulating the coils' resonance frequencies using orthogonal codes. Accuracy measurements were conducted with a setup consisting of one exciter loop, four localization coils and eight receiver loops. Results show the robustness of the proposed localization method for a wide range of positions. Furthermore, we investigated the influence of conductive objects positioned in the localization area on the localization accuracy.