期刊
IEEE SENSORS JOURNAL
卷 19, 期 15, 页码 6355-6361出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2019.2910091
关键词
Cross-sensor misalignment; gyroscope; magnetometer calibration
资金
- National Natural Science Foundation of China [61422311, 61673263]
- Joint Fund of China Ministry of Education [6141A02022309]
Due to the interference of the onboard magnetic material, the magnetometer intrinsic parameters differ from factory specification, and the cross-sensor misalignment between magnetometers and other sensors is distorted as well. This paper proposes an efficient full magnetometer calibration algorithm at the aid of gyroscopes by solving a homogeneous least-squared problem. The algorithm is able to accomplish both the intrinsic and cross-sensor calibration in a single step. It can serve as a coarse calibration method alone or be used as a good initial value for other fine algorithms for more accurate result.
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