Calibration of a precision SINS IMU and construction of IMU-bound orthogonal frame

G. I. Emel’yantsev; B. A. Blazhnov; E. V. Dranitsyna; A. P. Stepanov

doi:10.1134/S2075108716030044

Calibration of a precision SINS IMU and construction of IMU-bound orthogonal frame

Authors: Emel’yantsev G.I.¹^,2, Blazhnov B.A.¹^,2, Dranitsyna E.V.¹^,2, Stepanov A.P.¹^,2
Affiliations:
1. Concern CSRI Elektropribor, JSC
2. ITMO University
Issue: Vol 7, No 3 (2016)
Pages: 205-213
Section: Article
URL: https://bakhtiniada.ru/2075-1087/article/view/203816
DOI: https://doi.org/10.1134/S2075108716030044
ID: 203816

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Abstract

The paper focuses on construction of reference orthogonal frame bound with inertial measurement system of a strapdown inertial navigation system. Main points of the algorithm refining the FOG IMU calibration parameters in dynamic test bench conditions using the Kalman filter and relying upon the system navigation solution are detailed. Time lags in FOG gyros and accelerometers’ measurement channels are estimated to the accuracy allowing construction of a 0.001 deg/h class navigation system.