An Improved Calibration Method for the Misalignment Error of a Triaxial Magnetometer and Inertial Navigation System in a Three-Component Magnetic Survey System
In order to calibrate the misalignment error of a triaxial magnetometer and an inertial navigation system in a three-component magnetic survey system, an improved method with easy realization is proposed in this paper. We establish the misalignment error model based on Euler’s theorem. We transform...
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| Format: | Article |
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MDPI AG
2020-09-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/10/19/6707 |
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| author | Supeng Li Defu Cheng Quanming Gao Yi Wang Liangguang Yue Mingchao Wang Jing Zhao |
| author_facet | Supeng Li Defu Cheng Quanming Gao Yi Wang Liangguang Yue Mingchao Wang Jing Zhao |
| author_sort | Supeng Li |
| collection | DOAJ |
| description | In order to calibrate the misalignment error of a triaxial magnetometer and an inertial navigation system in a three-component magnetic survey system, an improved method with easy realization is proposed in this paper. We establish the misalignment error model based on Euler’s theorem. We transform the calibration of misalignment error into estimating calibration parameters to minimize the value of objective function. Then, the nonlinear least squares method is used to estimate the calibration parameters. In the simulation experiment, the deviation between the value and the preset value is within 1 nT. In the field experiment, the fluctuation value of the <i>x</i>, <i>y</i>, and <i>z</i> components reduce to 1.09%, 0.92%, and 1.28%, respectively. The absolute deviation values are reduced to 0.72%, 0.70%, and 0.81% and the standard deviation value are reduced to 0.74%, 0.71%, 0.86%, respectively. The proposed method has advantages of high operability and precision as compared with existing methods. |
| first_indexed | 2024-03-10T16:03:59Z |
| format | Article |
| id | doaj.art-b7a372233071487886a7f4f02e381ea4 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T16:03:59Z |
| publishDate | 2020-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-b7a372233071487886a7f4f02e381ea42023-11-20T15:05:35ZengMDPI AGApplied Sciences2076-34172020-09-011019670710.3390/app10196707An Improved Calibration Method for the Misalignment Error of a Triaxial Magnetometer and Inertial Navigation System in a Three-Component Magnetic Survey SystemSupeng Li0Defu Cheng1Quanming Gao2Yi Wang3Liangguang Yue4Mingchao Wang5Jing Zhao6College of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, ChinaCollege of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, ChinaCollege of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, ChinaCollege of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, ChinaCollege of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, ChinaCollege of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, ChinaCollege of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, ChinaIn order to calibrate the misalignment error of a triaxial magnetometer and an inertial navigation system in a three-component magnetic survey system, an improved method with easy realization is proposed in this paper. We establish the misalignment error model based on Euler’s theorem. We transform the calibration of misalignment error into estimating calibration parameters to minimize the value of objective function. Then, the nonlinear least squares method is used to estimate the calibration parameters. In the simulation experiment, the deviation between the value and the preset value is within 1 nT. In the field experiment, the fluctuation value of the <i>x</i>, <i>y</i>, and <i>z</i> components reduce to 1.09%, 0.92%, and 1.28%, respectively. The absolute deviation values are reduced to 0.72%, 0.70%, and 0.81% and the standard deviation value are reduced to 0.74%, 0.71%, 0.86%, respectively. The proposed method has advantages of high operability and precision as compared with existing methods.https://www.mdpi.com/2076-3417/10/19/6707triaxial magnetometerinertial navigation systemmisalignment errorthree-component magnetic survey system |
| spellingShingle | Supeng Li Defu Cheng Quanming Gao Yi Wang Liangguang Yue Mingchao Wang Jing Zhao An Improved Calibration Method for the Misalignment Error of a Triaxial Magnetometer and Inertial Navigation System in a Three-Component Magnetic Survey System Applied Sciences triaxial magnetometer inertial navigation system misalignment error three-component magnetic survey system |
| title | An Improved Calibration Method for the Misalignment Error of a Triaxial Magnetometer and Inertial Navigation System in a Three-Component Magnetic Survey System |
| title_full | An Improved Calibration Method for the Misalignment Error of a Triaxial Magnetometer and Inertial Navigation System in a Three-Component Magnetic Survey System |
| title_fullStr | An Improved Calibration Method for the Misalignment Error of a Triaxial Magnetometer and Inertial Navigation System in a Three-Component Magnetic Survey System |
| title_full_unstemmed | An Improved Calibration Method for the Misalignment Error of a Triaxial Magnetometer and Inertial Navigation System in a Three-Component Magnetic Survey System |
| title_short | An Improved Calibration Method for the Misalignment Error of a Triaxial Magnetometer and Inertial Navigation System in a Three-Component Magnetic Survey System |
| title_sort | improved calibration method for the misalignment error of a triaxial magnetometer and inertial navigation system in a three component magnetic survey system |
| topic | triaxial magnetometer inertial navigation system misalignment error three-component magnetic survey system |
| url | https://www.mdpi.com/2076-3417/10/19/6707 |
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