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링레이저 자이로 관성항법시스템의 편향 오차 해석
Flexure Error Analysis of RLG based INS

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Authors
김광진; 박찬국; 유명종
Issue Date
2006-06
Publisher
제어로봇시스템학회 = Institute of Control, Robotics and Systems
Citation
제어·자동화·시스템공학 논문지, 제12권, 제6호, pp. 608-613, 6. 2006
Keywords
RNGSDINSnoncommutativity errorrotation vectorflexure error
Abstract
Any input acceleration that bends RLG dithering axis causes flexure error, which is a source of the noncommutative error that can not be compensated by simply using integrated gyro sensor output. This paper introduces noncommutative error equations that define attitude errors caused by flexure errors. In this paper, flexure error is classified as sensor level error if the sensing axis coincides with the dithering axis and as system level error if the two axes do not coincide. The relationship between gyro output and the rotation vector is introduced and is used to define the coordinate transformation matrix and angular motion. Equations are derived for both sensor level and system level flexure error analysis. These equations show that RLG based INS attitude error caused by flexure is directly proportional to time, amount of input acceleration and the dynamic frequency of the vehicle.
ISSN
1225-9845
Language
Korean
URI
https://hdl.handle.net/10371/9662
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Journal Papers (저널논문_기계항공공학부)
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