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J. KIMS Technol > Volume 17(4); 2014 > Article
Journal of the Korea Institute of Military Science and Technology 2014;17(4):531-536.
DOI: https://doi.org/10.9766/KIMST.2014.17.4.531   
Stripping Method of Ring Laser Gyroscope Based on Measurement Model of Dither Motion
Cheon-Joong Kim, Kyu-Min Shim
The 3rd Research and Development Institute, Agency for Defense Development
디더 운동 측정치 모델 기반 링레이저 자이로 스트리핑 방법
김천중, 심규민
국방과학연구소 제3기술연구본부
Abstract
There are trapping and stripping methods as the technique to remove the dither motion from RLG(Ring Laser Gyro) output. V/F converter output of angular sensor to measure the dither motion is used in stripping method. But bias and scale factor error is always included in V/F converter output and is a critical limiting factor for the wide application of stripping method to RLG. Therefore there have been many researches to solve this problem. The method to accurately estimate the bias and scale factor error of V/F converter using measurements of the angular sensor acquired at data sampling rate of INS is presented in this paper. To this end, stripping technique based on model of dither motion is newly applied.
Key Words: Ring Laser Gyroscope, Stripping Method, Dither, Inertial Navigation System
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