<s>
A	O
sensor	B-Algorithm
fish	I-Algorithm
is	O
a	O
small	O
,	O
plastic	O
tubular	O
device	O
containing	O
sensors	O
.	O
</s>
<s>
The	O
sensor	B-Algorithm
fish	I-Algorithm
has	O
neutral	O
buoyancy	O
allowing	O
it	O
to	O
remain	O
underwater	O
.	O
</s>
<s>
Taking	O
2,048	O
measurements	O
each	O
second	O
,	O
it	O
is	O
able	O
to	O
record	O
five	O
minutes	O
of	O
turbulence	O
,	O
pressure	O
,	O
and	O
acceleration	O
,	O
saving	O
the	O
data	O
to	O
flash	B-Device
memory	I-Device
.	O
</s>
<s>
The	O
sensor	B-Algorithm
fish	I-Algorithm
is	O
built	O
manually	O
at	O
the	O
Bio-Acoustics	O
&	O
Flow	O
Laboratory	O
within	O
the	O
PNNL	O
.	O
</s>
<s>
Gyroscope	B-Application
:	O
Model	O
ITG-3200	O
,	O
InvenSense	B-Algorithm
Inc	O
.	O
</s>
<s>
Data	O
collected	O
from	O
the	O
sensor	B-Algorithm
fish	I-Algorithm
is	O
used	O
to	O
help	O
create	O
new	O
designs	O
for	O
dam	O
turbines	O
.	O
</s>
<s>
The	O
sensor	B-Algorithm
fish	I-Algorithm
was	O
initially	O
designed	O
to	O
examine	O
the	O
effects	O
of	O
the	O
most	O
common	O
kind	O
of	O
turbine	O
in	O
the	O
Columbia	O
River	O
Basin	O
,	O
the	O
Kaplan	O
turbine	O
.	O
</s>
<s>
In	O
2015	O
,	O
the	O
sensor	B-Algorithm
fish	I-Algorithm
will	O
evaluate	O
a	O
dam	O
in	O
Southeast	O
Asia	O
's	O
Mekong	O
River	O
,	O
irrigation	O
structures	O
in	O
Australia	O
,	O
a	O
conventional	O
dam	O
as	O
well	O
as	O
three	O
small	O
hydro	O
installations	O
within	O
the	O
United	O
States	O
.	O
</s>
<s>
The	O
docking	O
station	O
sends	O
the	O
data	O
to	O
a	O
laptop	O
computer	O
over	O
USB	B-Protocol
using	O
software	O
developed	O
by	O
PNNL	O
.	O
</s>
<s>
It	O
has	O
improved	O
sensors	O
for	O
detecting	O
pressure	O
,	O
better	O
accelerometers	O
,	O
and	O
better	O
gyroscopes	B-Application
which	O
detect	O
rotational	O
velocity	O
.	O
</s>
<s>
This	O
allows	O
the	O
sensor	B-Algorithm
fish	I-Algorithm
to	O
come	O
to	O
the	O
surface	O
for	O
retrieval	O
.	O
</s>
