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International Conference
2017.02.07 17:28

Seung-Min Lee, Myung-Il Roh, Ki-Su Kim, Seung-Ho Ham, "Optimization of Tugboats Operation for Transporting an Offshore Floating Crane in Environmental Disturbance", International Conference on Mechanical Design and Engineering, 2017.01.20-22

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Abstract In general, tugboats are used to transport many kinds of unactuated vessels such as ships and offshore structures. This requires an adequate model of tugboats operation to take into account surge, sway, and yaw motions precisely. In this study, we present an optimization method of tugboats operation for transporting an offshore floating crane in shipyard. An optimization problem including the interactions between the crane and tugboats is mathematically formulated. The procedure to solve this problem is composed of two steps. First, the required total thrust force and moment acting on the crane are calculated to make it arrive the target position with desired velocity and direction in the presence of environmental disturbances. Second, the optimization problem is solved by using the genetic algorithms (GA) to find total number of the required tugboats, position, thrust, and direction of each tugboat. The proposed approach is applied to the transportation of the offshore floating crane in the various environmental conditions such as waves, winds, and currents. 2017-01-21

Seung-Min Lee, Myung-Il Roh, Ki-Su Kim, Seung-Ho Ham, "Optimization of Tugboats Operation for Transporting an Offshore Floating Crane in Environmental Disturbance", Proceedings of International Conference on Mechanical Design and Engineering, HonKong, China, 2017.01.20-22

 제목+내용제목내용댓글이름닉네임아이디태그
1. Sung-Min Lee, Myung-Il Roh, Ki-Su Kim, "Determination of Economical Ship Route Using Simultaneous Optimization Method", Proceedings of ACDDE 2016, Jeju, Korea, 2016.10.25-28

CategoryInternational Conference
2. Sung-Kyoon Kim, Sol Ha, Seun-Ho Ham, Myung-Il Roh, "Optimal Layout Method for Offshore Plant Topside Considering the Safey, Operability and Maintanability", Proceedings of IMDC 2015, Tokyo, Japan, 2015.5.11-14

CategoryInternational Conference
3. Sung-Jun Lee, Myung-Il Roh, Min-Jae Oh, Youngsoo Seok, Won-Jae Lee, June-Beom Lee, Hyun Soo Kim, "Image-based Object Detection and Tracking Method for Ship Navigation," Proceedings of ICCAS 2019, Rotterdam, Netherlands, pp. 89-92, 2019.09.24-26

CategoryInternational Conference
4. Sung-Jun Lee, Myung-Il Roh, Hye-Won Lee, Jisang Ha, Il-Guk Woo, "Image-based Ship Detection and Classification for Unmanned Surface Vehicle Using Real-Time Object Detection Neural Networks", Proceedings of ISOPE 2018, Sapporo, Japan, 2018.06.10-15

CategoryInternational Conference
5. Sun-Kyung Jung, Myung-Il Roh, Seung-Min Lee, Ki-Su Kim, "Optimal Arrangement Method for Naval Surface Ship Considering the Stability, Operability, and Survivability", Proceedings of ICCAS 2017, Singapore, Singapore, 2017.09.26-28

CategoryInternational Conference
6. Strength and Risk, ISOPE(International Society of Offshore and Polar Engineers) 2014, Busan, Korea, 2014.06.15-20

CategoryConference Chairman
7. Sol Ha, Seung-Ho Ham, Myung-Il Roh, "Dynamic Route Guidance for Evacuation, Escape and Rescue System at an Offshore Platform Considering Real-time Hazard Avoidance", Proceedings of the 28th Asian-Pacific TEAM 2014, Istanbul, Turkey

CategoryInternational Conference
8. Sol Ha, Namkug Ku, Myung-Il Roh, Ju-Hwan Cha, "Reliability Analysis Method Using Dynamic Reliability Block Diagram Based on DEVS Formalism," Proceedings of the 13th International Conference on Systems Simulation(AsiaSim 2013), Singapore, pp. 219-230, 2013.11.06-08.

CategoryInternational Conference
9. Sol Ha, Nam-Kug Ku, Myung-Il Roh, Xing Li, "Evacuation, Escape and Rescue EER Analysis of Offshore Plant Based on Human Behavior Model", Proceedings of OMAE 2014, San Francisco, USA, pp. 1-7, 2014.06.08-13

CategoryInternational Conference
10. Sol Ha, Nam-Kug Ku, Myung-Il Roh, Ki-Su Kim, Seung-Ho Ham, Xing Li, Jung-Woo Hong, Hye-Won Lee, "DEVS-based Scenario Manager of Multibody Dynamics Simulator for Shipbuilding Production Process (WIP)", Proceedings of Spring Simulation Multi-Conference 2014, Tampa, USA, pp. 358-363, 2014.04.13-16

CategoryInternational Conference
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