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Keywords: active control
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Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-441
... control characteristics of the vibration transmitted from the internal equipment. Pan et al. (2008) and Caresta (2011) studied the active control of the submarine hull-shafting coupled system subjected to a harmonic force on the propeller. By placing an inertial vibration isolator on the shell...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-050
... sustainability artificial intelligence offshore projects planning and execution passive control social responsibility wind energy active control platform equation tmd parameter offshore wind turbine coefficient sustainable development turbine damper vibration wind turbine model...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-143
... Study on Active Structural Acoustic Control in The Independent Modal Space Chao Sun and Deyou Zhao Department of Naval Architecture Dalian University of Technology Dalian, China ABSTRACT A theoretically and numerically investigation of active control of structural sound radiation...
Proceedings Papers

Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-166
... simulated the action of a thruster on the vehicle that is used in conjunction with ship movement. This control strategy reduced the time of the maneuver to about 65 minutes, again with no optimization. These results indicate that active control through a combination of actuation at the top and bottom...
Proceedings Papers

Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-157
... ABSTRACT In order to reduce the amplitude of longitudinal vibration as well as the axial stress induced in the pipe string, an active control was applied to the mining system. In the proposed system, the string was hung from the mining ship and supported at the upper part with a linear spring...
Proceedings Papers

Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-050
... present a serious drawback to the required dynamic behavior and in service life of both prestressed tethers and hanging risers because early fatigue cracks may develop in these structural components. The active control of heave motions of these huge compliant offshore structure is made feasible...
Proceedings Papers

Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-041
... Structure with Active Pneumatic Control T. Hirayan~ and N. Ida Yokohama National University Yokohama, Japan ABSTRACT A pneumatic type active control apparatus to reduce wave- induced motions was developed and applied to very." large floating structures (VLFS) in this study. Active control of motions...
Proceedings Papers

Paper presented at the The Fourth International Offshore and Polar Engineering Conference, April 10–15, 1994
Paper Number: ISOPE-I-94-012
... ABSTRACT This paper presents an active control of coupled dynamic responses of the hull and the tendon of TLP. In a deepwater TLP, the restoring force becomes smaller and the natural frequency of the system decreases with increasing water depth. There is a possibility that the dynamic response...

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