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A dock master who was specialist of docking maneuvered a ship to a dock. The dock master was required high maneuvering skill, then, retired captain became the dock master. However, Japanese shipyard started to employ young seafarers as the dock master because of luck of human resource. It took a long time young dock master might acquire the maneuvering skill for the docking. Therefore, this study...
Thermosyphoning (TS) is a heat exchange mechanism that uses a circulating refrigerant based on natural convection with no need for a mechanical pump. This cooling technique has been employed to circulate liquid coolant and gaseous coolant for high-temperature superconductor (HTS) rotating machine systems. These machines operate with an HTS field pole in the temperature range from 25 to 40 K, which...
According to the Japan Coast Guard, marine accidents involving over 2,000 vessels have occurred annually, and approximately 30% of these are collision accidents. Presumably, approximately 92% of collision accidents' causes are human factors. We classified the causal factor termed 'gprimary cause by human error' into ten items. As a result of analyzing the dangerous case that we experienced and investigating...
This paper proposed ship's maneuvering support system for anchoring. When marine pilot dropped the anchor in designated area, an exact anchoring to a designated anchor position was demanded. However, exact anchoring was difficult for third grade pilot because he/she did not have experience of captain. Therefore, there was need for anchoring support system. In order to support exact anchoring, developed...
Mariners such as captains and navigation officers memorize unique situations in their experience and make use of them in the ship handling of subsequent voyages to achieve safety. On the other hand, by a detailed investigation and inquiry of one or more examples, existence and causes of problems can be clarified. Moreover, a general law and theory can be established. This was our case study. The general...
This paper proposed override ship maneuvering simulator using actual training ship for young pilot trainees. In this new simulator, augmented reality toolkit was used to reproduce scenery from the bridge of large vessel on the actual training ship. The effectiveness of the developed control system which reproduced the large vessel's maneuverability under wind disturbance with an actual training was...
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