Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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True Position Determination Algorithm using Azimuth

방위를 이용한 진위 결정 알고리즘

  • Youn, Jin-Young (Department of Electronics & Communication Engineering, Korea Maritime and Ocean University) ;
  • Jeong, Seon-Jae (Department of Electronics & Communication Engineering, Korea Maritime and Ocean University) ;
  • Yim, Jae-Hong (Department of Electronics & Communication Engineering, Korea Maritime and Ocean University)
  • Received : 2017.12.18
  • Accepted : 2018.01.29
  • Published : 2018.04.30
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Abstract

Astronomical positioning has been carried out from the past by using Sextant. The St. Hilaire method was mainly used by Nautical Almanac and Sight Reduction Tables For Marine Navigation. In modern times, it has been able to use the LOP(Line of Position) method smoothly by combining with IT technology. However, in comparison with the past method, the LOP method always shows two positions, True Position and False Position, which must be distinguished by the navigator. Therefore, in this paper, we proposed a method of using the azimuth to remove the false position generated by the LOP method. In particular, the theoretical considerations using azimuth are presented in various ways, and the validity of the theoretical considerations is confirmed. Simulations are presented to confirm that the theoretical basis of the thesis is valid.

천문을 이용한 측위는 과거로부터 육분의(Sextant)를 이용하여 시행하여 왔다. 주로 천측력과 천측계산표를 이용하여 St. Hilaire 방식을 사용하였는데, 현대에는 IT 기술과의 접목으로 LOP(Line of Position) 방식을 원활히 사용할 수 있게 되었다. 그러나 과거의 방식 대비 LOP 방식은 항상 위치가 진위(True Position)와 허위(False Position) 두 가지로 나타나게 되는데, 이를 항해사가 반드시 판별하지 않으면 안 된다. 따라서 본 논문에서는 LOP 방식에서 발생하는 허위의 제거를 위해 방위를 이용하는 알고리즘을 제안한다. 특히 방위를 이용하게 되는 이론적 고찰을 여러 방법으로 제시하여 그 타당성을 확보하였으며, 시뮬레이션을 통하여 본 논문의 이론적 근거가 타당성을 가지고 있음을 평가하였다.

Keywords

References

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