Periodic change error tracking calibration of strapdown inertial navigation system

XiaoLong Chen; ShiQiao Qin; Jiaxing Zheng; Shaolei Lu; Zhisheng Wang

doi:10.1117/12.2639192

29 April 2022 Periodic change error tracking calibration of strapdown inertial navigation system

XiaoLong Chen, ShiQiao Qin, Jiaxing Zheng, Shaolei Lu, Zhisheng Wang

Proceedings Volume 12255, 2022 International Conference on Optoelectronic Information and Functional Materials (OIFM 2022); 122552L (2022) https://doi.org/10.1117/12.2639192
Event: 2022 International Conference on Optoelectronic Information and Functional Materials (OIFM 2022), 2022, Chongqing, China

Abstract

In a strapdown inertial navigation system, the sensors are directly connected to the carrier, therefore the error of the inertial sensors will affect the accuracy of the inertial navigation system. To reduce this effect the calibration of the parameter errors is a commonly used method. However, this calibration normally does not take into account the error change caused by the temperature fluctuation in the practical application. In this paper, we propose to calibrate the parameter errors with periodic change in a day. It is shown that the calibration results and the preset value are matched very well, and it lays a good foundation for the error calibration at actual temperature environment.

Citation Download Citation

XiaoLong Chen, ShiQiao Qin, Jiaxing Zheng, Shaolei Lu, and Zhisheng Wang "Periodic change error tracking calibration of strapdown inertial navigation system", Proc. SPIE 12255, 2022 International Conference on Optoelectronic Information and Functional Materials (OIFM 2022), 122552L (29 April 2022); https://doi.org/10.1117/12.2639192

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KEYWORDS

Calibration

Gyroscopes

Error analysis

Inertial navigation systems

Sensors

Statistical modeling

Motion measurement

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