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Estimating the Accuracy Parameters of Sensors in a Strapdown Inertial Measurement Unit with the Use of a Relatively Coarse Turntable
Gyroscopy and Navigation Pub Date : 2020-02-03 , DOI: 10.1134/s2075108719040151
L. V. Vodicheva , Yu. V. Parysheva

Abstract

The technique for calibration of sensors in a strapdown inertial measurement unit on a relatively coarse (1°–2°) turntable are discussed. The proposed technique is based both on direct and indirect methods. Calibration errors are estimated analytically and, also, by means of mathematical simulation. For direct methods, the choice of program orientations is substantiated; the vector method is compared with the scalar one. The results of calibration of a measurement unit on fiber-optic gyroscopes obtained with the use of the proposed technique are given.


中文翻译:

使用相对粗转盘估算捷联惯性测量单元中传感器的精度参数

摘要

讨论了在相对粗糙(1°–2°)转台上的捷联惯性测量单元中的传感器校准技术。所提出的技术基于直接和间接方法。可以通过分析以及通过数学模拟来估算校准误差。对于直接方法,程序方向的选择得到了证实;将矢量方法与标量方法进行比较。给出了使用所提出的技术获得的在光纤陀螺仪上的测量单元的校准结果。
更新日期:2020-02-03
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