Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 13, Parts 1-2American Society of Mechanical Engineers, 1994 - Arctic regions |
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Page 260
04/19112 z - aris Sun.2 J - axis y - axis x - aris X - axis Space Control ) ( 4 ) is used as HAC and each mode is controlled ... DVFB ( Direct Velocity Feedback Control ) ( 5 ) is used as LAC and damping of the all modes are augmented .
04/19112 z - aris Sun.2 J - axis y - axis x - aris X - axis Space Control ) ( 4 ) is used as HAC and each mode is controlled ... DVFB ( Direct Velocity Feedback Control ) ( 5 ) is used as LAC and damping of the all modes are augmented .
Page 261
Sensor Actuator Sensor Actuator Actuator Sensor 11 12 13 14 15 where subscript C shows controlled modes and R residual modes . No * M matrix Bc and NR * M matrix BR are given by dividing ØT PL . Number of controlled modes Nc must be ...
Sensor Actuator Sensor Actuator Actuator Sensor 11 12 13 14 15 where subscript C shows controlled modes and R residual modes . No * M matrix Bc and NR * M matrix BR are given by dividing ØT PL . Number of controlled modes Nc must be ...
Page 411
The number of modes required for the modal superposition are generally selected based on the modal mass participation factor . However , a rig model with very stiff substructure and skid base will have difficulty in satisfying this ...
The number of modes required for the modal superposition are generally selected based on the modal mass participation factor . However , a rig model with very stiff substructure and skid base will have difficulty in satisfying this ...
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Contents
OCEAN WAVES AND ENERGY | 1 |
Load Control Method and Its Realization on an OWC Wave Power Converter | 19 |
Nonlinearity in CrestTrough Statistics of Bretschneider Seas | 27 |
Copyright | |
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amplitude analysis applied approach assessment assumed boundary calculated coefficient compared components considered correlation corresponding costs crack curve cylinder damping depth determined developed direction distribution drag dynamic effects energy Engineering equation estimated expressed extreme factor failure fatigue field Figure flow fluid force frequency function given height important increase initial inspection installation integration interaction joints length lift lift force limit linear load mass maximum mean measured Mechanics method modes mooring motion nonlinear obtained offshore operation oscillation parameters peak performed period phase platform potential predicted present pressure probability problem procedure random range ratio relative reliability represent respectively response risk safety shown shows significant simulation solution statistical stress structure surface Table variables velocity wave wind
Bibliographic information
| Title | Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 13, Parts 1-2 |
| Contributors | OMAE Conference Committee, American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division, American Society of Mechanical Engineers |
| Publisher | American Society of Mechanical Engineers, 1994 |
| Original from | the University of Michigan |
| Digitized | 4 Dec 2007 |
| ISBN | 0791812642, 9780791812648 |
| Export Citation | BiBTeX EndNote RefMan |