Localization Method for Underwater Magnetic Sensors Based on the Optimization of Magnetic Field Gradients

Key elements of the magnetic silencing facility are the magnetic sensor arrays at a ranging site, which directly influence the accuracy of magnetic field measurement. This article presents a localization method for underwater magnetic sensors based on the optimization of magnetic field gradients (MF...

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Bibliographic Details
Published in:IEEE sensors journal 2024-05, Vol.24 (10), p.15967-15974
Main Authors: Wang, Yufen, Zhou, Guohua, Wu, Kena, Liu, Yuelin
Format: Article
Language:English
Subjects:
Accuracy
Localization
Localization method
Location awareness
magnetic field gradients (MFGs)
Magnetic field measurement
Magnetic fields
Magnetic flux
Magnetic measurement
Magnetic moments
magnetic sensor
Magnetic sensors
Optimization
Particle swarm optimization
Sensor arrays
Sensors
Solenoids
Underwater
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Summary:Key elements of the magnetic silencing facility are the magnetic sensor arrays at a ranging site, which directly influence the accuracy of magnetic field measurement. This article presents a localization method for underwater magnetic sensors based on the optimization of magnetic field gradients (MFGs). In this localization system, a dc current-carrying solenoid coil serves as a magnetic source and the sensors measure the magnetic field. Then, the relative positions of the magnetic source to the magnetic sensors change and a localization model is established. To improve the accuracy of the location, a strategy is proposed to optimize three teams of relative positions of the magnetic source to the magnetic sensors based on MFGs in the three directions of {x} -, {y} -, and {z} -axes, respectively. A novel multiswarm particle swarm optimization method is applied to solve three components of the position vector. Experimental results show that the proposed method possesses preferable accuracy and engineering value.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2023.3344724