Unit-step Response y(kT)
(a)
I-25
(
Y ( z) = 1 z
1
(
= 10
Y ( z)
G( z) =
1
p
= lim
z 1
K
a
G (z)
=
1
2
T
)T
2
KT
E (z)
t
z
1
(
U ( z ) = 10 E( z) Kt 1 z
U (z)
z ( z + 1) 10( z 1)
z 1 + K tT
3
10( z
z
)Z s
1
1)
1+ K tT
2
U ( z)
E (z)
E ( z)
5T ( z + 1)
(