CONTROL TECHNIQUES FOR WAVE ENERGY CONVERTERS
CONTROL TECHNIQUES FOR WAVE ENERGY CONVERTERS
CONTROL TECHNIQUES FOR WAVE ENERGY CONVERTERS
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Oscillating-body dynamics<br />
X<br />
0<br />
2<br />
( m<br />
A)<br />
i<br />
F<br />
d<br />
( B<br />
C)<br />
gS<br />
K<br />
Power = force velocity<br />
Time-averaged power absorbed from the waves :<br />
P<br />
1<br />
8B<br />
F<br />
d<br />
2<br />
B<br />
2<br />
i<br />
= 0<br />
X<br />
0<br />
Fd<br />
2B<br />
2<br />
Note: for given body and given wave amplitude and frequency ω, B and<br />
are fixed.<br />
Then, the absorbed power P will be maximum when :<br />
F d<br />
i<br />
X<br />
0<br />
Fd<br />
2B<br />
B<br />
C<br />
gS<br />
m<br />
K<br />
Resonance condition<br />
A<br />
Radiation damping = PTO damping<br />
m<br />
K<br />
K<br />
m