Spring 2010
AERSP 304 HW #9
R.G. Melton
(practice problems only – not to hand in)
1.
(10 pts) Prob. 8.5
2.
(10 pts) Use Matlab to generate Bode amplitude and phase plots for the following
transfer function in the range
= 0.1 to 10000 rad/s.
)
1
001
.
0
)(
1
01
.
0
(
)
1
1
.
0
(
1000
)
(
s
s
s
s
s
G
3.
(10 pts) Using information from the Matlab plots for Prob. 2, determine the steady-state
response for the system in the form
t
A
t
x
s
sin
)
(
for
= 3000 rad/s.
Carefully
sketch
(by hand – no computer plots!) a plot of
x
s
(t) and the input
f
(
t
) = sin(
t
) directly
below it (as shown in the example below) for
t
= 0 to 2
/
. You should calculate a number
of points for each plot and then sketch in the resulting curves. The time scales on the plots

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