지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
In this study, an EKF (Extended Kalman Filter) based database reference navigation using both gravity gradient and terrain data was performed to complement the weakness of using only one type of geophysical DB (Database). Furthermore, a new algorithm which combines the EKF and profile matching was developed to improve the stability and accuracy of the positioning. On the basis of simulations, it was found that the overall navigation performance was improved by the combination of geophysical DBs except the two trajectories in which the divergence of TRN (Terrain Referenced Navigation) occurred. To solve the divergence problem, the profile matching algorithm using the terrain data is combined with the EKF. The results show that all trajectories generate the stable performance with positioning error ranges between 14m to 23m although not all trajectories positioning accuracy is improved. The average positioning error from the combined algorithm for all nine trajectories is about 18 m. For further study, a development of a switching geophysical DB or algorithm between the EKF and the profile matching to improve the navigation performance is suggested.
목차
Abstract
1. Introduction
2. Methodologies
3. Performance Analysis of Combining Heterogeneous DB and Algorithm
4. Conclusions
References
참고문헌 (23)
참고문헌 신청
[학술대회논문] - Cowie, M. / 2008 / Latest developments of the TERPROM® digital terrain system (DTS) / Proceedings of IEEE/ION PLANS 2008 : 1219 ~ 1229
[학위논문] - DeGregoria, A. / 2010 / Gravity Gradiometry and Map Matching: An Aid to Aircraft Inertial Navigation Systems / Master / Wright-Patterson AFB
[단행본] - Groves, P. D. / 2013 / Principles of GNSS, Inertial, and Multisensor Integrated Navigation Systems / Artech house
[단행본] - Haykin, S. S. / 2001 / Kalman Filtering and Neural Networks / Wiley
[학술대회논문] - Hollowell, J. / 1990 / HELI/SITAN: a terrain referenced navigation algorithm for helicopter / Proceedings of IEEE/ION PLANS 1990 : 616 ~ 625
[학위논문] - DeGregoria, A. / 2010 / Gravity Gradiometry and Map Matching: An Aid to Aircraft Inertial Navigation Systems / Master / Wright-Patterson AFB
[단행본] - Groves, P. D. / 2013 / Principles of GNSS, Inertial, and Multisensor Integrated Navigation Systems / Artech house
[단행본] - Haykin, S. S. / 2001 / Kalman Filtering and Neural Networks / Wiley
[학술대회논문] - Hollowell, J. / 1990 / HELI/SITAN: a terrain referenced navigation algorithm for helicopter / Proceedings of IEEE/ION PLANS 1990 : 616 ~ 625
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UCI(KEPA) : I410-ECN-0101-2017-533-001142304