어선 AIS에서 하이브리드 GPS/EM 컴퍼스에 의한 선수방위 안정화
Stabilization of ship's heading in AIS of fishing vessel by a hybrid GPS/EM compass
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조회
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다운로드
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인용
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참고문헌
키워드
초록
The ship's heading information of hybrid GPS/EM compass were applied to the AIS of fishing vessel and examined the possibility of accuracy improvement. It is observed 453 each in AIS receiver of land among 3,982 each in AIS Rx/Tx transponder of the test ship at sea, and transmission interval according to the speed of ship is determined the 11.4% good transmitting data of the all information. In results, maximum compass error for the ship's heading of an EM compass was 19.1°. The variance of ship's heading owing to the speed of ship is surveyed. The COG (Course Over Ground) was changed extremely in 180°W-179°E range under 4.9knots, and in 24°W-23°E range over 4.9knots. Finally, using the ship's heading of EM compass and the COG from GPS for the autopilot system of a small fishing boat and the ship's heading information of AIS results in danger on the own ship's navigation safety and leads to make confusion both the others and VTS (Vessel Traffic Service) center. Therefore, the hybrid GPS/EM compass is identified as the best system for a small fishing boat and is allowed to offer continuously a ship's heading information with high accuracy and stability.
Abstract
The ship's heading information of hybrid GPS/EM compass were applied to the AIS of fishing vessel and examined the possibility of accuracy improvement. It is observed 453 each in AIS receiver of land among 3,982 each in AIS Rx/Tx transponder of the test ship at sea, and transmission interval according to the speed of ship is determined the 11.4% good transmitting data of the all information. In results, maximum compass error for the ship's heading of an EM compass was 19.1°. The variance of ship's heading owing to the speed of ship is surveyed. The COG (Course Over Ground) was changed extremely in 180°W-179°E range under 4.9knots, and in 24°W-23°E range over 4.9knots. Finally, using the ship's heading of EM compass and the COG from GPS for the autopilot system of a small fishing boat and the ship's heading information of AIS results in danger on the own ship's navigation safety and leads to make confusion both the others and VTS (Vessel Traffic Service) center. Therefore, the hybrid GPS/EM compass is identified as the best system for a small fishing boat and is allowed to offer continuously a ship's heading information with high accuracy and stability.
참고문헌 (12)
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