Research on Initial Alignment of All-Attitude Inertial Platform on Static Base

DOI

10.2991/msmee-17.2017.98How to use a DOI?

Keywords

platform inertial navigation system, inertial alignment, analytic alignment, closed-loop EKF.

Abstract

In view of the current problem that long alignment time and low alignment accuracy in traditional alignment methods, a new two-step alignment method is proposed in this paper. This method consists of the coarse and accurate alignment. The feature of gravity vector is used to carry out the analytic coarse alignment. And by applying torque to the platform, the accurate alignment is carried out with extended Kalman filter (EKF). Simulation results show that the estimation error of the azimuthal misalignment angle can converge to less than in eight minutes.

Copyright

© 2017, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Hongjie Zhang
AU  - Shifeng Zhang
PY  - 2017/05
DA  - 2017/05
TI  - Research on Initial Alignment of All-Attitude Inertial Platform on Static Base
BT  - Proceedings of the 2017 2nd International Conference on Materials Science, Machinery and Energy Engineering (MSMEE 2017)
PB  - Atlantis Press
SP  - 493
EP  - 499
SN  - 2352-5401
UR  - https://doi.org/10.2991/msmee-17.2017.98
DO  - 10.2991/msmee-17.2017.98
ID  - Zhang2017/05
ER  -