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Appl. Sci. 2018, 8(1), 74; doi:10.3390/app8010074

A General Euler Angle Error Model of Strapdown Inertial Navigation Systems

1
The National Key Lab of Satellite Navigation System and Equipment Technology, The 54th Research Institute of China Electronics Technology Group Corporation, Shijiazhuang 050002, China
2
School of Instrument Science and Opto-Electronic Engineering, Beihang University, Beijing 100191, China
*
Author to whom correspondence should be addressed.
Received: 24 October 2017 / Revised: 29 December 2017 / Accepted: 3 January 2018 / Published: 12 January 2018
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Abstract

Attitude error models play an important role in analyzing the characteristics of navigation error propagation for the design and operation of strapdown inertial navigation systems (SINS). However, the majority of existing attitude error models focus on misalignment, rather than Euler angle errors. Misalignment cannot directly describe attitude error propagation, which is an indirect measurement. To solve the problem, a general Euler angle error model of SINS is proposed. Based on Euler angle error propagation analysis, relative Euler angle errors, and convected Euler angle errors are introduced to compose the general Euler angle error model. Simulation experiments are carried out to verify the proposed model. View Full-Text
Keywords: attitude error model; navigation error propagation; relative Euler angle error; convected Euler angle error attitude error model; navigation error propagation; relative Euler angle error; convected Euler angle error
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Li, J.; Dang, P.; Li, Y.; Gu, B. A General Euler Angle Error Model of Strapdown Inertial Navigation Systems. Appl. Sci. 2018, 8, 74.

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