Transfer orbit stage gyrocompass alignment algorithm in a twist and sway environment for Mars Observer Mission on commercial Titan

Reddy, N. S.; Murray, Jonathan

doi:10.1109/dasc.1990.111278

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“…Initial alignment process is of vital importance to strapdown inertial navigation system (SINS), and the poor initial alignment accuracy will end up with poor navigation result [1]. Normally, alignment process is divided into coarse alignment and fine alignment [2]. For the coarse alignment there is no initial condition knowledge of a priori.…”

Section: Introductionmentioning

confidence: 99%

Dynamic initial coarse alignment of SINS for AUV using the velocity loci and pressure sensor

Yuan

Liu

et al. 2016

IET Science, Measurement & Technology

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Section: Introductionmentioning

confidence: 99%

Dynamic initial coarse alignment of SINS for AUV using the velocity loci and pressure sensor

Yuan

Liu

et al. 2016

IET Science, Measurement & Technology

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“…Velocity and rate components are used as measurements in the fine alignment filter. The five state Kalman filter employed in [3]. And some reaseachers focus on alignment on swing base [6][7][8], howerer,Comparison of two methods of literature is rare.…”

Section: Introductionmentioning

confidence: 99%

Application of two methods for alignment of FOG INS

Jin-Xi

2010

2010 2nd IEEE International Conference on Information Management and Engineering

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Initial alignment is of vital importance to inertial navigation systems (INS). There are mailnly two popular methods in self-alignment, which are traditional gyrocompassing alignment algorithm and kalman filter algorithm. After giving the basic principle of the two, we do some simulation and test in use of INS based fiber opitic gyroscope (FOG). The simulation and real experiment show that kalman filter is better than gyrocompassing in level alignment, howerer, the accuracy of azimuth misalignment angle estimation is lower. The real data test result is as similar as simulation. This provides a useful reference for design alignment algorithm for FOG INS.

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Transfer orbit stage gyrocompass alignment algorithm in a twist and sway environment for Mars Observer Mission on commercial Titan

Cited by 2 publications

References 0 publications

Dynamic initial coarse alignment of SINS for AUV using the velocity loci and pressure sensor

Dynamic initial coarse alignment of SINS for AUV using the velocity loci and pressure sensor

Application of two methods for alignment of FOG INS

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