A simple geomagnetic field compensation system for uniform magnetic field applications | Zendy

Andrés Fernando Restrepo | Zendy; Édinson Franco Mejía | Zendy; Héctor Cadavid Ramírez | Zendy; Carlos Jaramillo | Zendy

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A simple geomagnetic field compensation system for uniform magnetic field applications

Author(s) -

Andrés Fernando Restrepo,

Édinson Franco Mejía,

Héctor Cadavid Ramírez,

Carlos Jaramillo

Publication year - 2017

Publication title -

revista facultad de ingeniería universidad de antioquia

Language(s) - English

Resource type - Journals

eISSN - 2422-2844

pISSN - 0120-6230

DOI - 10.17533/udea.redin.n83a09

Subject(s) - earth's magnetic field , magnetic field , compensation (psychology) , helmholtz coil , helmholtz free energy , field (mathematics) , simple (philosophy) , physics , ionospheric dynamo region , acoustics , mathematics , geomagnetic storm , psychology , philosophy , epistemology , quantum mechanics , psychoanalysis , pure mathematics

In this paper a simple geomagnetic field compensation system for uniform magnetic field applications of low magnitude and frequency is presented. The compensation system is based on an array of Tri-axial Square Helmholtz (TSH) coils, an array of tri-axial Hall effect sensors and a microcontroller system in order to compensate the small variations of the ambient magnetic fields (magnitudes close to the geomagnetic field between 25 μT and 65 μT) on a volume of interest. The geomagnetic field experimentally obtained of 39.5 μT was compensated, achieving a uniform magnetic field of approximately zero. Finally, the proposed system emerges as a simple alternative for control and compensation of magnetic fields in several applications.

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