Disney Research


Error Reduction in Magnetoquasistatic Positioning using Orthogonal Emitter Measurements-Image

Measurements of the emitted magnetoquasistatic fields generated by a vertical emitting loop and detected at the terminals of seven fixed vertical receiving loops, all located above earth, are used to solve for position and orientation of the emitter. The coupling between the mobile emitting and fixed receiving loops was measured over a 3×3 emitter grid spanning an 18×18 m area, and for azimuthal orientations between 0 and 330 at 30 increments. Inverting the theoretical coupling expressions for two-dimensional position and azimuthal orientation resulted in a mean position and orientation error of 0.62 m and 2.86, respectively. Calculations including orthogonal emitter configurations resulted in a mean position and orientation error of 0.21 m and 1.12, respectively, which represents a 66.1 % and 60.8 % reduction in error, respectively.

Copyright Notice

The documents contained in these directories are included by the contributing authors as a means to ensure timely dissemination of scholarly and technical work on a non-commercial basis. Copyright and all rights therein are maintained by the authors or by other copyright holders, notwithstanding that they have offered their works here electronically. It is understood that all persons copying this information will adhere to the terms and constraints invoked by each author’s copyright. These works may not be reposted without the explicit permission of the copyright holder.