Non-orthogonal calibration compensation method for three-axis magnetometer based on cosine magnetic field

Liang Ma; Guo-Qiang Shi; Li Wang; San-Sheng Wang

doi:10.1117/12.2547564

18 December 2019 Non-orthogonal calibration compensation method for three-axis magnetometer based on cosine magnetic field

Liang Ma, Guo-Qiang Shi, Li Wang, San-Sheng Wang

Author Affiliations +

Proceedings Volume 11334, AOPC 2019: Optoelectronic Devices and Integration; and Terahertz Technology and Applications; 1133411 (2019) https://doi.org/10.1117/12.2547564
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

In order to solve the problem of non-orthogonality of triaxial magnetometer, we propose a rotation compensation method based on cosine magnetic field to calibrate triaxial magnetometer, which is convenient for practical application. The simulation results show that the error difference with the preset angle is no more than 36′′ (one percent degree), and the error accuracy is very high and we have carried out experiments, the results show that the correct method is feasible and effective, through non-orthogonal compensation, the accuracy of magnetometer measurement has been significantly improved.

Citation Download Citation

Liang Ma, Guo-Qiang Shi, Li Wang, and San-Sheng Wang "Non-orthogonal calibration compensation method for three-axis magnetometer based on cosine magnetic field", Proc. SPIE 11334, AOPC 2019: Optoelectronic Devices and Integration; and Terahertz Technology and Applications, 1133411 (18 December 2019); https://doi.org/10.1117/12.2547564

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