Image Processing Reference
In-Depth Information
4.13 Consider the system de
ned by
2
3
2
3
2
3
2
3
"
#
x 1 ( k þ
1
)
010
001
0
x 1 ( k )
x 2 ( k )
x 3 ( k )
01
10
01
u 1 ( k )
u 2 ( k )
4
5 ¼
4
5
4
5 þ
4
5
x 2 ( k þ
1
)
x 3 ( k þ
1
)
:
30
:
41
2
4
3
5
"
#
x 1 ( k )
x 2 ( k )
x 3 ( k )
100
010
y ( k ) ¼
(a) Is the system completely state controllable?
(b) Is the system completely state observable?
(c) Is the system completely output controllable?
4.14 Is the following system completely state controllable and observable?
2
3
2
3
2
3
2
3
x 1 ( k þ
1
)
010
001
x 1 ( k )
x 2 ( k )
x 3 ( k )
0
0
1
4
5 ¼
4
5
4
5 þ
4
5 u ( k )
x 2 ( k þ
1
)
x 3 ( k þ
1
)
3
1
2
2
4
3
5
x 1 ( k )
x 2 ( k )
x 3 ( k )
y ( k ) ¼
½
2
3
2
x ( k ) þ
u ( k )
0
1
0
2
4.15 For
the
system x ( k þ
1
) ¼
and
0
:
125
0
:
75
y ( k ) ¼
½
11
x ( k )
Y ( z )
U ( z )
.
(b) Is the system controllable? Is it observable? If not,
(a) Find the transfer function H ( z ) ¼
find the uncontrollable
=
unobservable modes.
4.16 Consider the system given by
2
3
2
3
100
010
001
b 11
b 12
b 13
4
5 x ( k ) þ
4
5 u ( k )
x ( k þ
1
) ¼
b 21
b 22
b 23
b 31
b 32
b 33
y ( k ) ¼ x 1 ( k )
(a) Find the transfer function Y ( z )
U ( z )
.
(b) Find the necessary and suf
cient condition for controllability of this
system.
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