A Study on Dynamic Safety Navigation Envelopes Considering a Ship’s Position Uncertainty
- Authors
- Pyo-Woong Son; Youngki Kim; Tae Hyun Fang; Kiyeol Seo
- Issue Date
- 9월-2023
- Publisher
- 사단법인 항법시스템학회
- Citation
- Journal of Positioning, Navigation, and Timing, v.12, no.3, pp 289 - 294
- Pages
- 6
- Journal Title
- Journal of Positioning, Navigation, and Timing
- Volume
- 12
- Number
- 3
- Start Page
- 289
- End Page
- 294
- URI
- https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/10400
- ISSN
- 2288-8187
- Abstract
- As technologies such as cameras, Laser Imaging, Detection, and Ranging (LiDAR), and Global Navigation Satellite Systems (GNSS) become more sophisticated and common, their use in autonomous driving technologies is being explored in various fields. In the maritime area, technologies related to collision avoidance between ships are being developed to evaluate and avoid the risk of collision between ships by setting various scenarios. However, the position of each vessel used in the process of developing collision avoidance technology between vessels uses data obtained through GNSS, and may include a position error of 10 m or more depending on the situation. In this paper, a study on the dynamic safety navigation range including the positional inaccuracy of the ship is conducted. By combining the concept of the protection level obtained using GNSS raw data with a conventional safe navigation range, a safer navigation range can be calculated for dynamic navigation. The calculated range is verified using data obtained while sailing in an actual sea environment.
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