Image Processing Reference
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1, and u ( t ) ¼ e t ; derive expressions for x 1 ( t )
.
(a) Find a nonsingular transformation matrix T such that the change in variables
z ¼ Tx will lead to a decoupled system of differential equations.
(b) Solve the decoupled system for the new variables z 1 ( t )
Let x 1 (
0
) ¼
1, x 2 (
0
) ¼
and x 2 ( t )
, and
demonstrate that your results are consistent with the results obtained for
x 1 ( t )
and z 2 ( t )
and x 2 ( t )
.
4.9 A discrete LTI system is described by the following state equations:
x 1 ( k )
x 2 ( k )
u ( k )
x 1 ( k þ
1
)
0
1
1
1
¼
þ
x 2 ( k þ
1
)
0
:
51
:
5
k , derive expressions for x 1 ( k )
Let x 1 (
) ¼
1, x 2 (
) ¼
1, and u ( k ) ¼ (
:
)
0
0
0
5
and x 2 ( k )
.
(a) Find a nonsingular transformation matrix T such that the change in vari-
ables z ( k ) ¼ Tx ( k )
will lead to a decoupled system of equations.
(b) Solve the decoupled system for the new variables
, and
demonstrate that your results are consistent with the results obtained for
x 1 ( k )
z 1 ( k )
and z 2 ( k )
and x 2 ( k )
.
4.10 Consider the continuous transfer function
3s þ
4
H ( s ) ¼
s 2
þ
6s þ
8
Obtain the state-space representation of this system in controllable and observ-
able canonical forms.
4.11 Consider the following transfer function
3z 2
þ
2z þ
1
H ( z ) ¼
z 2
þ
0
:
7z þ
0
:
12
Obtain the state-space representation of this system in controllable and observ-
able canonical forms.
4.12 Consider the system de
ned by
x 1 ( t )
x 2 ( t )
u ( t )
x 1 ( t )
x 2 ( t )
12
6
1
¼
þ
3
5
x 1 ( t )
x 2 ( t )
y ( t ) ¼
½
23
(a) Transform the system equations into the controllable canonical form.
(b) Transform the system equations into the observable canonical form.
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