Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
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Study on Extension of the 6-DOF Measurement Area for a Model Ship by Developing Auto-tracking Technology for Towing Carriage in Deep Ocean Engineering Tank

  • Jung, Jae-sang (Korea Research Institute of Ship & Ocean Engineering (KRISO)) ;
  • Lee, Young-guk (Korea Research Institute of Ship & Ocean Engineering (KRISO)) ;
  • Seo, Min-guk (Korea Research Institute of Ship & Ocean Engineering (KRISO)) ;
  • Park, In-Bo (Korea Research Institute of Ship & Ocean Engineering (KRISO)) ;
  • Kim, Jin-ha (Korea Research Institute of Ship & Ocean Engineering (KRISO)) ;
  • Kang, Dong-bae (ENC system. Corp.)
  • Received : 2021.08.03
  • Accepted : 2021.12.30
  • Published : 2022.02.28
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Abstract

The deep ocean engineering basin (DOEB) of the Korea Research Institute of Ship and Ocean Engineering (KRISO) is equipped with an extreme-environment reproduction facility that can analyze the motion characteristics of offshore structures and ships. In recent years, there have been requirements for a wide range of six-degree-of-freedom (6-DOF) motion measurements for performing maneuvering tests and free-running tests of target objects (offshore structures or ships). This study introduces the process of developing a wide-area motion measurement technology by incorporating the auto-tracking technology of the towing carriage system to overcome the existing 6-DOF motion measurement limitation. To realize a wide range of motion measurements, the automatic tracking control system of the towing carriage in the DOEB was designed as a speed control method. To verify the control performance, the characteristics of the towing carriage according to the variation in control gain were analyzed. Finally, a wide range of motions was tested using a model test object (a remotely operated vehicle (ROV)), and the wide-area motion measurement technology was implemented using an automatic tracking control system for a towing carriage.

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References

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