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MagMaps: An Economical, Lego-Like Approach for Real-Time Magnetic Field Mapping Using Commercial Magnetic Sensors

Title
MagMaps: An Economical, Lego-Like Approach for Real-Time Magnetic Field Mapping Using Commercial Magnetic Sensors
Author(s)
Ahmed, AwaisAbbasi, Sarmad AhmadGharamaleki, Nader LatifiKim, Jin-YoungChoi, Hongsoo
Issued Date
2023-01
Citation
IEEE Transactions on Instrumentation and Measurement, v.72, pp.1 - 1
Type
Article
Author Keywords
Lego-likemagnetic field mappingmagnetometerreal-timereconfigurable
Keywords
SYSTEMMICROROBOTS
ISSN
0018-9456
Abstract
Magnetic field mapping is tedious; a magnetometer probe collects magnetic field data in a point-by-point manner within a two-dimensional (2D) or three-dimensional (3D) space. Magnetometer arrays accelerate this process by replacing point-by-point mapping with plane-by-plane mapping. When mapping a large space, a motorized stage is additionally required; the limitations include power inefficiencies, large footprints, cost, and the absence of real-time data acquisition. Here, we introduce MagMaps, a modular Lego-like approach to magnetic field mapping that overcomes the limitations described above. MagMaps includes a set of physically identical modules termed “MagBricks” that can be stacked in all three axes (similar to Lego bricks); this covers the region of interest and eliminates the need for a motorized stage. Each MagBrick is an independent enslaved module with a unique address, having a microcontroller that continuously acquires magnetic field data from a magnetometer array. An additional brick termed the “MasterBrick” serves as a bridge between the computer and the MagBricks. The MasterBrick collects magnetic field data from uniquely addressed MagBricks and communicates them to a computer, where they are sorted and displayed in real-time. This modular Lego-like approach and the use of only off-the-shelf electronic components allows MagMaps to offer real-time magnetic field mapping that is portable, power-efficient, and economical for various 2D or 3D spaces. IEEE
URI
http://hdl.handle.net/20.500.11750/17511
DOI
10.1109/TIM.2022.3232168
Publisher
Institute of Electrical and Electronics Engineers Inc.
Related Researcher
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Appears in Collections:
Department of Robotics and Mechatronics Engineering Bio-Micro Robotics Lab 1. Journal Articles
Division of Biomedical Technology 1. Journal Articles

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