Paper
27 March 2022 Multi-level iterative for multi beam DVL calibration method based on quaternion
Bo Xu, Hanling Li, Lianzhao Wang
Author Affiliations +
Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 1216965 (2022) https://doi.org/10.1117/12.2624697
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China
Abstract
Aiming at the calibration problem of SINS and multi beam DVL integrated navigation system, a multi-level iterative calibration method based on quaternion (MICQ) model is proposed in this paper. Different from the traditional calibration method, the quaternion is used to describe the misalignment angle between SINS and DVL coordinate system, and the structural angle error is introduced to describe the DVL beam velocity measurement information. Finally, a multi-level iterative method is designed to decouple the structural angle error and misalignment angle. The proposed method can complete the multi beam information calibration of tightly integrated navigation system, and the calibration results can provide the basis for SINS/DVL tightly integrated navigation system. Simulation results show the effectiveness of the proposed multi beam calibration method, and compared with the euler angle model calibration method, it shows the superiority of describing the misalignment angle based on quaternion model.
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Bo Xu, Hanling Li, and Lianzhao Wang "Multi-level iterative for multi beam DVL calibration method based on quaternion", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 1216965 (27 March 2022); https://doi.org/10.1117/12.2624697
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KEYWORDS
Calibration

Navigation systems

Error analysis

System integration

3D modeling

Associative arrays

Velocity measurements

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