祝守新 邢英杰 韩连英《机械工程控制基础》习题解答
Wn 1Wn 112
1
2 2 3
2
2
2 Wn 1 Wd Wn 2
Wd
2
3
tr
34 s 2.42 s
932
tp
Wd
23
3.63 s 3
1 2
Mp% e
ts
100% e
3
3
100% 16.4%
3
6s 5% Wn
4
8s 2% Wn
ts
3-2
解:依题意:
Y s Xsk 1 k
2
12
1
as b 2s
k
2
s aks bk
bk 102 Wn b 10
2 Wn ak 10a Wn 5a
a2
则 Mp% e
1 100% e
a3
16% 0.16
a 1 a 1,b 10
3-3
解:依题意: