Journal of Navigation and Port Research 2013;37(6):575-580.
Published online December 31, 2013.
AHRS를 이용한 무선 선체 운동 측정 시스템에 관한 연구
김대해, 이상민, 공길영
A Study on the Wireless Ship Motion Measurement System Using AHRS
Dae-Hae Kim, Sang-Min Lee, Gil-Young Kong
Abstract
The IMU(Inertial Measurement Unit) which is the expensive equipment has been used as a special limited area, usually in measurement of posture of applying to the areas of ship, submarine, aircraft and military equipment application. However, in the current situation, MEMS AHRS technology can replace the high-priced IMU in MEMS AHRS selected application field. In this paper, wireless hull motion measurement system was suggested for measuring key elements of ship’s movement such as rolling, pitching and yawing using gyro, acceleration and magnetic sensors of AHRS. In order to reduce the error such as instantaneous acceleration, effects and vibration of geomagnetic, we have adopted the sensors equipped with Kalman filtering. The Wireless hull motion measurement system using AHRS sensors was tested in actual ship and it could easily be applied in limited installation circumstances of the ship. In the future, this system can be useful in the navigation safety and marine accident analysis by using with ship equipment such as INS or VDR in the maritime.
Key Words: 항해 안전 IMU;MEMS;AHRS;ship motion;navigation safety


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