Proceedings of the ... International Conference on Offshore Mechanics and Arctic EngineeringAmerican Society of Mechanical Engineers, 1994 - Arctic regions |
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Page 260
Space Control)[4] is used as HAC and each mode is controlled independently but
control spillover still exist even though observation ... DVFB (Direct Velocity
Feedback Control)[5] is used as LAC and damping of the all modes are
augmented.
Space Control)[4] is used as HAC and each mode is controlled independently but
control spillover still exist even though observation ... DVFB (Direct Velocity
Feedback Control)[5] is used as LAC and damping of the all modes are
augmented.
Page 261
where subscript C shows controlled modes and R residual modes. Nc x M matrix
BC and NR x M matrix BR are given by dividing ** PL. Number of controlled
modes Nc must be equal to number of actuators M so that the each modes can
be ...
where subscript C shows controlled modes and R residual modes. Nc x M matrix
BC and NR x M matrix BR are given by dividing ** PL. Number of controlled
modes Nc must be equal to number of actuators M so that the each modes can
be ...
Page 411
The number of modes required to include in the seismic analysis is a critical
factor which significantly affects the study results. The number of modes required
for the modal superposition are generally selected based on the modal mass ...
The number of modes required to include in the seismic analysis is a critical
factor which significantly affects the study results. The number of modes required
for the modal superposition are generally selected based on the modal mass ...
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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 assumed body boundary buoy calculated Circular coefficient compared compliant component considered correlation curve cylinder damping derived determined developed direction distribution domain drag drift dynamic effects energy Engineering equation experiments expressed field Figure flow fluid frequency function given height horizontal hydrodynamic increase installation interaction Journal length lift coefficient lift force linear load mass maximum mean measured method modes mooring motion nonlinear noted obtained Offshore operation oscillation peak period phase pipe platform potential predicted present pressure problem production random range ratio reference relative represent respectively response Reynolds number second-order shedding shown shows simulation solution spectrum structure surface Table Technology tests theory tower turbulence uniform values velocity vertical vibration vortex water depth wave wind