FieldSweep: A 2D Tracking System With Embedded Magnets and a Smartphone

In this paper, we propose FieldSweep, a tracking method on a plane using only permanent magnets and a smartphone. This method estimates the position of a magnetic sensor on a plane using the magnetic fields of permanent magnets placed at an appropriate pattern. The magnetic sensor is a built-in one in a smartphone. Since the planar side consists of only magnets and a plate for fixing the magnet, no power supply or electronic components are required for the system. In this paper, we report the necessary conditions for tracking, present the implemented prototype, and discuss possible future developments and applications.

Automated summary

This paper presents FieldSweep, a tracking method on a plane using only permanent magnets and a smartphone. The method estimates the position of a magnetic sensor on a plane by utilizing the magnetic fields of permanent magnets, eliminating the need for power supply or electronic components. The prototype is implemented and future developments and applications are discussed.