Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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Design of a Pendulum-type Anti-rolling System for USSV and Verification Based on Roll Damping Coefficient

무인반잠수정의 진자식 횡동요 저감 장치 설계 및 감쇠계수 기반 검증

  • Jin, Woo-Seok (Department of Naval Architecture & Ocean Engineering, Pusan National University) ;
  • Kim, Yong-Ho (Department of Mechatronics Engineering, Kyungnam University) ;
  • Jung, Jun-Ho (Department of Mechatronics Engineering, Kyungnam University) ;
  • Lee, Kwangkook (Department of Naval Architecture & Ocean System Engineering, Kyungnam University) ;
  • Kim, Dong-Hun (Department of Electrical Engineering, Kyungnam University)
  • 진우석 (부산대학교 조선해양공학과) ;
  • 김용호 (경남대학교 메카트로닉스공학과) ;
  • 정준호 (경남대학교 메카트로닉스공학과) ;
  • 이광국 (경남대학교 조선해양시스템공학과) ;
  • 김동헌 (경남대학교 전기공학과)
  • Received : 2019.04.03
  • Accepted : 2019.10.03
  • Published : 2019.12.20
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Abstract

The roll motion of a general vessel, which is more influenced by resonance as compared to other motions, adversely affects the passenger and hull. Therefore, reducing the roll motion through an anti-rolling system is critical, and most ships use various devices such as anti-rolling tanks, bilge keels, and fin stabilizers to accomplish this. In this study, a simplified model is developed for the application of an anti-rolling device for unmanned semi-submersible vessels. The applied anti-rolling device is installed on the stern and stem of a ship using a pair of servo motors with added weight, and the motor is controlled through the Arduino. The moment of the motor is designed and implemented based on a mathematical model such that it is calculated through the restoring force according to the heel angle of the ship. The performance of the proposed system was verified by utilizing the roll damping coefficient calculated by the free-roll decay test and logarithmic decrement method and was validated by a towing tank test. The system is expected to be used for unmanned vessels to perform sustainable missions.

Keywords

References

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