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Advances in Magnetic Sensors and Their Applications
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Advances in Magnetic Sensors and Their Applications

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: closed (20 November 2023) | Viewed by 3614

Special Issue Editor

Dr. Aktham Asfour

E-Mail Website1 Website2
Guest Editor
Univ. Grenoble Alpes, CNRS, Grenoble INP, G2ELab, 38000 Grenoble, France
Interests: giant magnetoimpedance (GMI) sensors; magnetic sensors and applications; sensors and instrumentation for NMR and MRI

Special Issue Information

Dear Colleagues,

Magnetic sensors and magnetometers are encountered and widely used for a large palette of applications in almost all the branches of industry and engineering. They are also key elements and have a wide range of applications in biomedical, space, and scientific research. The interest in these sensors among the scientific community all around the world is still growing and is well- justified by the will to meet new measurement challenges and conquer new applications. These great and different demands lead to the emergence of many types of magnetic sensors, with different physical principles and different characteristics and performances.

This Special Issue provides an overview of the state of the art of both emerging and commonly used technologies of magnetic sensors, including sensor design, performance, and applications, with an emphasis on new concepts and new applications in all areas.

Topics include, but are not limited to, the following themes:

Sensors technology, sensor design, and performance:

  • hall effect
  • giant magnetoimpedance (GMI)
  • magnetoresistance MR (anisotropic AMR, tunneling TMR, giant GMR)
  • fluxgate
  • search coil
  • magnetoelastic
  • magnetoelectric
  • optically pumped atomic magnetometers
  • SQUID
  • nuclear magnetic resonance (NMR)
  • magnonics

Applications:

  • magnetic sensors for biomedical and healthcare applications
  • magnetic sensors for electric current measurements and electrical engineering (power electronics, smart grids, etc.)
  • magnetic sensors in robotics
  • Internet of Things (IoT)
  • magnetic sensors in electric vehicles and other automotive applications
  • geophysics
  • non-destructive testing (NDT
  • space and security applications
  • measurement of non-magnetic quantities (examples: position, proximity and displacement sensors, etc.)

Dr. Aktham Asfour
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

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Published Papers (2 papers)

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Research

23 pages, 17083 KiB  
Article
Magnetic Interference Analysis and Compensation Method of Airborne Electronic Equipment in an Unmanned Aerial Vehicle
by Bingyang Chen, Ling Huang, Ke Zhang, Jin Hu and Wanhua Zhu
Appl. Sci. 2023, 13(13), 7455; https://doi.org/10.3390/app13137455 - 23 Jun 2023
Viewed by 1652
Abstract
At present, the research and application of aeromagnetic compensation are almost all based on the Tolles–Lawson (T–L) model. With the development of unmanned aerial vehicles (UAVs), the number of intelligent electronic devices in UAVs is increasing, and the magnetic environment of the platform [...] Read more.
At present, the research and application of aeromagnetic compensation are almost all based on the Tolles–Lawson (T–L) model. With the development of unmanned aerial vehicles (UAVs), the number of intelligent electronic devices in UAVs is increasing, and the magnetic environment of the platform is becoming more and more complicated. Research shows that the magnetic interference caused by airborne electronic equipment has been very significant, sometimes even reaching 100 nT. The traditional airborne magnetic compensation method based on the T–L model cannot effectively compensate the magnetic interference caused by airborne electronic equipment. Aiming at the problem of magnetic interference of airborne electronic equipment of UAVs, this paper analyzes the origin of magnetic interference of airborne electronic equipment using experiments, and it was found that it is related to the power supply current, and the characteristics of magnetic interference are similar to permanent magnet materials. Based on this feature, we eliminated the magnetic interference caused by the working current of airborne equipment by establishing a linear compensation model based on the current’s source. The experimental data show that the current interference source model proposed in this paper can effectively compensate the magnetic interference generated by airborne electronic equipment and the compensation improvement ratio (IR) is greater than 10. Full article
(This article belongs to the Special Issue Advances in Magnetic Sensors and Their Applications)
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17 pages, 4068 KiB  
Article
The Conjunctive Compensation Method Based on Inertial Navigation System and Fluxgate Magnetometer
by Bingyang Chen, Ke Zhang, Bin Yan and Wanhua Zhu
Appl. Sci. 2023, 13(8), 5138; https://doi.org/10.3390/app13085138 - 20 Apr 2023
Cited by 2 | Viewed by 1402
Abstract
Eliminating the magnetic interference of the carrier platform is an important technical link and plays a vital role in aeromagnetic survey. The traditional compensation method is based on the Tolles–Lawson (T-L) model and establishes the linear relationship between the aircraft interference magnetic field [...] Read more.
Eliminating the magnetic interference of the carrier platform is an important technical link and plays a vital role in aeromagnetic survey. The traditional compensation method is based on the Tolles–Lawson (T-L) model and establishes the linear relationship between the aircraft interference magnetic field and the aircraft attitude. The compensation coefficients are solved by designing the calibration flight. At present, almost all aeromagnetic systems use the fluxgate magnetometer fixed to the aircraft to realize the attitude measurement of the flight platform. However, the fluxgate magnetometer has problems, such as non-orthogonal error, zero drift error, and linearity error limited by the production process, and the fluxgate magnetometer is also very susceptible to external magnetic interference as a magnetic sensor. These lead to the aircraft attitude calculated by the fluxgate magnetometer being inaccurate, thus reducing the compensation effect. In this article, we analyze the influence of the fluxgate magnetometer noise on compensation and propose a new conjunctive compensation method based on inertial navigation systems (INS) and fluxgate magnetometer information to improve the compensation effect. The flight experiment data show that the proposed method can significantly improve the quality of aeromagnetic data. Compared with the traditional compensation method only based on fluxgate magnetometer information, the improved ratio is increased by 30–60%, and it is a real-time compensation method. It shows that the proposed method has a remarkable compensation effect for aeromagnetic interference. Full article
(This article belongs to the Special Issue Advances in Magnetic Sensors and Their Applications)
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