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중력이상을 이용한 INS 결합항법 시스템의 성능 분석
Performance Analysis of Integrated Inertial Navigation System Using Gravity Anomaly

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Authors
유영민; 박찬국
Issue Date
2010-08-03
Publisher
국방과학연구소
Citation
국방과학연구소 창설 40주년 기념 종합학술대회집, pp. 295-298
Keywords
Gravity Aided INSGravity AnomalyEKFDBRN
Abstract
To overcome accumulated error of INS in non-GNSS environment, we propose EKF based integrated INS architecture, which can
estimate INS position error, using gravity anomaly data. In this architecture, the gravity anomaly database is used to construct Kalman
filter measurement matrix and gravity anomaly data is measured by gravity gradiometer in real time. In order to verify the
performance of the proposed integrated INS, a simulation has been carried out by using a 30arcsec x 30arcsec gravity anomaly
database in South Korea area. The results show that gravity anomaly data can be used to correct the drifting error in the INS whose
errors are accumulated over time.
Language
Korean
URI
http://hdl.handle.net/10371/70830
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Others_기계항공공학부
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