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Performance Verification of AC Magnetic Positioning System for Unmanned Vehicle Navigation and Control | IEEE Conference Publication | IEEE Xplore

Performance Verification of AC Magnetic Positioning System for Unmanned Vehicle Navigation and Control


Abstract:

In this paper, we introduce a pose estimation system which is called MPS, where magnetic field is employed as an information delivering medium. It consists of a transmitt...Show More

Abstract:

In this paper, we introduce a pose estimation system which is called MPS, where magnetic field is employed as an information delivering medium. It consists of a transmitter part and a receiver part. The transmitter part is a circular coil with a driving resonator circuit that generates an AC magnetic field signal with a pre-designed frequency. We use multiple transmitters which have different carrier frequencies. Each magnetic field covers the navigation area and overlaps in space. A 3-axis magnetometer measures the summed magnetic flux density, and the signals are separated with FDMA. Magnetic vectors are extracted from the sampled signals. It is compared with the estimated vector obtained from magnetic vector grid map or magnetic field model. The optimized estimation pose was obtained using the least squares method. Incidentally, its implementation for achieving real-time control of unmanned vehicles is not yet studied. Under this motivation, this paper attempts to validate whether the developed magnetic positioning system works properly for real-time dynamics control of unmanned vehicles with various methods: using a PILS simulator and real system-based experiment.
Date of Conference: 24-27 April 2023
Date Added to IEEE Xplore: 08 June 2023
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Conference Location: Monterey, CA, USA

References

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