p2 + w0 p + w02 = 0
Ö2 w0 = 1 / ; S = 1/ ; = S /
2.
, I = const.
- ,
= / J,
J - ,
, - .
, - , ..
1 = ,
p3 + A1 w0 p2 + A2 w02 p + w03 = 0,
A1 w0 = 1 / T, A2 w02 = KS Tp2 / T, w03 = S / T
1.
p3 + 3 w0 p2 + 3 w02 p + w03 = 0
3w0 = 1 / T, 3 w02 = S 2 / T, w03 = KS / T
S = 1 / (27 T2), 2 = 9
2.
p3 + w0 p2 + 2 w02 p + w03 = 0
w0 = 1/ T, 2 w02 = KS Tp2 / T, w03 = KS / T
S = 1 / T2, p2 = 2
3.
p3 + 2 w0 p2 + 2 w02 p + w03 = 0
2 w0 = 1 / T, 2 w02 = KS Tp2 / T, w03 = KS / T
S = 1/ (8 T2), p2 = 4
3.
.
- ,
= ,
- ,
- ,
- ,
,,, - , , , .
, .
- , ..
.
.
1. ( ):
n = 2 p2 + 2w0p + w02 = 0
p1 = p2 = - w0
n = 3 p3 + 3w0 p2 + 3w02 p + w03 = 0
p1 = p2 = p3 = - w0
n = 4 p4 + 4 w0 p3 + 6 w02 p2 + 4 w03 p + w04
p1 = p2 = p3 = p4 = - w0
2. :
n = 2 p2 + w0 p + w02 = 0
n = 3 p3 + w0 p2 + 2 w02 p + w03 = 0
3. ( ):
|
|
n = 2 p2 + Ö2 w0 p + w02 = 0
p1,2 =
n = 3 p3 + 2w0 p2 + 2 w02 p + w03
p1 = - w0; p2,3 =
y(t)= 1 -
n = 4 p4 + 2,6 w0 p3 + 3,4 w02 p2 + 2,6 w03 p + w04 = 0
p1,2 = -0,9239 w0 j 0,3827 w0; p3,4 = -0,3827w0 j 0,9239 w0
y(t) = 1 - 2,4142
1. .., .. : ..-.: - .. .., 2008. -190 .
2. .. : .-.: , 2008. -302 .
3. / . ... .: 1978.- 512 .
4. .., .., .. . .: , 1971.- 440 .