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eLoran Navigation Algorithm Considering Errors Proportional to the Range

거리에 비례하는 오차를 고려한 eLoran 항법 알고리즘

  • 송세필 (충남대 공과대학 전자공학과) ;
  • 최헌호 (충남대 공과대학 전자공학과) ;
  • 김영백 (한양네비콤(주)) ;
  • 이상정 (충남대 공과대학 전자공학과) ;
  • 박찬식 (충북대 컴퓨터정보통신연구소, 전자정보대학 제어로봇공학과)
  • Received : 2011.09.15
  • Accepted : 2011.10.25
  • Published : 2011.12.01

Abstract

eLoran is enhanced Loran-C and eLoran is researched for as GPS backup system because this system is resistant to signal interference and has high accuracy. TOA measurements of eLoran include errors proportional to the range such as PF, SF, ASF and EF. Therefore these error factors must be compensated for improved accuracy of position. Generally, error models or GPS aided compensation methods are used, but these methods are limited by lack of infrastructure or system performance. Therefore, this paper proposes new model of error factors included in eLoran TOA measurements and navigation algorithm using this model. Error factors in this model are sum of a certain size of error and error proportional to the range. And feasibility and performance of proposed navigation algorithm are verified by using raw measurements.

Keywords

References

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