<s>
An	O
Operator	B-Application
Training	I-Application
Simulator	I-Application
(	O
OTS	O
)	O
is	O
a	O
computer-based	O
training	O
system	O
that	O
uses	O
a	O
dynamic	B-Application
simulation	I-Application
model	O
of	O
an	O
industrial	O
process	O
,	O
usually	O
integrated	O
with	O
an	O
emulator	B-Application
of	O
the	O
process	O
plant	O
's	O
Distributed	O
Control	O
System	O
(	O
DCS	O
)	O
.	O
</s>
<s>
An	O
OTS	O
uses	O
a	O
dynamic	B-Application
simulation	I-Application
of	O
the	O
process	O
in	O
order	O
to	O
generate	O
the	O
appropriated	O
data	O
to	O
feed	O
an	O
emulation	B-Application
of	O
the	O
plant	O
's	O
control	O
system	O
.	O
</s>
