| Project/Area Number |
15206096
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Naval and maritime engineering
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| Research Institution | KYUSHU UNIVERSITY |
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Principal Investigator |
KIJIMA Katsuro KYUSHU UNIVERSITY, Faculty of Engineering, Department of Marine Systems Engineering, Professor, 大学院・工学研究院, 教授 (90038042)
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| Co-Investigator(Kenkyū-buntansha) |
KAJIWARA Hiroyuki KYUSHU UNIVERSITY, Faculty of Engineering, Department of Marine Systems Engineering, Professor, 大学院・工学研究院, 教授 (30114862)
TAKASAKI Koji KYUSHU UNIVERSITY, Faculty of Engineering Sciences, Department of Energy and Environmental Engineering, Professor, 大学院・総合理工学研究院, 教授 (30154769)
FURUKAWA Yoshitaka KYUSHU UNIVERSITY, Faculty of Engineering, Department of Marine Systems Engineering, Associate Professor, 大学院・工学研究院, 助教授 (90253492)
IBARAGI Hiroshi KYUSHU UNIVERSITY, Faculty of Engineering, Department of Marine Systems Engineering, Research Associate, 大学院・工学研究院, 助手 (20274508)
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| Project Period (FY) |
2003 – 2005
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| Project Status |
Completed (Fiscal Year 2005)
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| Budget Amount *help |
¥33,150,000 (Direct Cost: ¥25,500,000、Indirect Cost: ¥7,650,000)
Fiscal Year 2005: ¥8,840,000 (Direct Cost: ¥6,800,000、Indirect Cost: ¥2,040,000)
Fiscal Year 2004: ¥10,270,000 (Direct Cost: ¥7,900,000、Indirect Cost: ¥2,370,000)
Fiscal Year 2003: ¥14,040,000 (Direct Cost: ¥10,800,000、Indirect Cost: ¥3,240,000)
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| Keywords | Ship / Autopilot / Manoeuvring Motion / Maintenance of Marine Environment / Marine Transport / Support for Ship Handling |
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| Research Abstract |
Navigational safety is highly demanded in order to prevent marine accidents which causes losses of life and environmental pollution. Human mistakes such as misunderstanding or misjudgment are one of the causes of marine accidents. Therefore, introduction of automatic navigation devices is one of the solutions for the problem. On the other hand, manual navigation is still efficient at harbor where is usually overcrowded.
In the first year of this study, automatic collision avoidance system for ships using the concept of blocking area. The blocking area is introduced in order to evaluate collision risk among ships. The system was designed based on numerical simulations. The scenario which assumes that a ship avoid collision with an anchored ship was adopted to evaluate the performance of the system.
In the second year, the automatic collision avoidance system were improved in order to realize efficient collision avoidance. Then the system was enhanced for the situation that cruising ship exists around own ship. Furthermore, experimental system which consists of a pair of Real time Kinematic GPS (RTK-GPS) receiver, a optical fiber gyrocompass and a PC was developed in order to investigate the effectiveness of the automatic collision avoidance system by model tests.
In the final year, collision avoidance algorithm for ships which is encountering crossing or meeting ship using the concept of blocking area was developed. Then model experiments were carried out to verify the effectiveness of the system. It is expected that the automatic collision avoidance system has the ability to avoid collision at crossing situation from the results of model experiments.
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