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MITSUI TRIALS AUTO BERTHING

Wednesday, July 24, 2019 

Mitsui E&S Shipbuilding and its partners have announced the completion of a demonstration of an auto berthing and un-berthing system tested aboard the TUMST training ship Shioji Maru.

The project was selected for Japan's Ministry of Land, Infrastructure, Transportation and Tourism (MLIT)'s FY2018 autonomous vessel demonstration project.

The project team completed a total of 54 auto berthing operations using a virtual pier set on the open water, and gained useful data for R&D on auto berthing systems. Before conducting the test, the team formulated the ship operation plan, test guidelines, and criteria for cancelling the operation ahead of time due to safety concerns, at the same time completing a thorough safety assessment under various phenomena by using the simulation environment.

The project team plans a demonstration test with a large-size coastal ferry in FY2019 after substantially examining the development of ship operation control system and test methods. This will to address:

  1. Auto berthing control in consideration of vessel speed, course, and distance with sufficient safety margin, without making seafarers recognize risk
  2. Appropriate manoeuvring control in consideration of the large size ferry’s manoeuvring performance characteristics.
  3.  Criteria for making decisions of continue/stop on auto operation in consideration of events such as machinery and equipment failures that occur during auto operations and other phenomena such as sudden changes in surrounding environmental conditions
  4.  Guidelines for the transition of ship operation from the system to the crew after the cancellation of the automatic operation considering safety and situation. MES-S, MOL, TUMST, and Akishima Laboratory will contribute to the achievement of safe, reliable ocean transportation through activities including the auto berthing and un-berthing demonstration project and other efforts to promote the development of autonomous vessels.

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