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Development of a model scale dynamic positioning system
- Authors
- Hong, Sa.Y.; Kim, Hyun J.; Lee, C.M.
- Issue Date
- 1997
- Publisher
- Int Soc of Offshore and Polar Engineerns (ISOPE), Golden, CO, United States
- Citation
- Proceedings of the International Offshore and Polar Engineering Conference, v.3, pp 664 - 671
- Pages
- 8
- Journal Title
- Proceedings of the International Offshore and Polar Engineering Conference
- Volume
- 3
- Start Page
- 664
- End Page
- 671
- ISSN
- 0000-0000
- Abstract
- In this paper, the development of a model scale Dynamic Positioning System (DPS) is described. The system is composed of a main computer, a monitoring computer, controller and thrusters. Positions are measured by using an optical position sensor system. Optimal control theory (LQI) is adopted for the design of the position controller. A series of position keeping experiments in both calm water and waves were performed for a moored floating body, which has the 3-dof motion of surge, sway and yaw. The controllability and applicability of the designed dynamic positioning system are verified through the model tests and the effects of low frequency motion filters are investigated.
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