<s>
In	O
control	O
theory	O
the	O
settling	B-Algorithm
time	I-Algorithm
of	O
a	O
dynamical	O
system	O
such	O
as	O
an	O
amplifier	O
or	O
other	O
output	O
device	O
is	O
the	O
time	O
elapsed	O
from	O
the	O
application	O
of	O
an	O
ideal	O
instantaneous	O
step	O
input	O
to	O
the	O
time	O
at	O
which	O
the	O
amplifier	O
output	O
has	O
entered	O
and	O
remained	O
within	O
a	O
specified	O
error	O
band	O
.	O
</s>
<s>
Settling	B-Algorithm
time	I-Algorithm
includes	O
a	O
propagation	O
delay	O
,	O
plus	O
the	O
time	O
required	O
for	O
the	O
output	O
to	O
slew	O
to	O
the	O
vicinity	O
of	O
the	O
final	O
value	O
,	O
recover	O
from	O
the	O
overload	O
condition	O
associated	O
with	O
slew	O
,	O
and	O
finally	O
settle	O
to	O
within	O
the	O
specified	O
error	O
.	O
</s>
<s>
Tay	O
,	O
Mareels	O
and	O
Moore	O
(	O
1998	O
)	O
defined	O
settling	B-Algorithm
time	I-Algorithm
as	O
"	O
the	O
time	O
required	O
for	O
the	O
response	O
curve	O
to	O
reach	O
and	O
stay	O
within	O
a	O
range	O
of	O
certain	O
percentage	O
(	O
usually	O
5%	O
or	O
2%	O
)	O
of	O
the	O
final	O
value.	O
"	O
</s>
<s>
Settling	B-Algorithm
time	I-Algorithm
depends	O
on	O
the	O
system	O
response	O
and	O
natural	O
frequency	O
.	O
</s>
<s>
Thus	O
,	O
if	O
the	O
damping	O
ratio	O
,	O
settling	B-Algorithm
time	I-Algorithm
to	O
within	O
2%	O
=	O
0.02	O
is	O
:	O
</s>
