CONTROL TECHNIQUES FOR WAVE ENERGY CONVERTERS
CONTROL TECHNIQUES FOR WAVE ENERGY CONVERTERS
CONTROL TECHNIQUES FOR WAVE ENERGY CONVERTERS
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B<br />
L<br />
Oscillating-body dynamics<br />
Example:<br />
• Hemispherical buoy, radius = a<br />
B *<br />
Dimensionless radiation<br />
damping coefficient<br />
0.35<br />
0.3<br />
0.25<br />
0.2<br />
0.15<br />
0.1<br />
Analytical<br />
Hulme 1982<br />
L *<br />
Dimensionless memory function<br />
0.04<br />
0.03<br />
0.02<br />
0.01<br />
0.05<br />
0<br />
0<br />
0 1 2 3 4 5<br />
ka<br />
ka<br />
Dimensionless radius<br />
0.01<br />
0 2 4 6 8 10 12 14<br />
g t<br />
Dimensionless time t*<br />
t<br />
a
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