阻尼振动和受迫振动数据处理

111
109
109
107
107
105
105
4.727388 4.70953 4.70953 4.691348 4.691348 4.672829 4.672829 4.65396 4.65396
1.585 1.602 1.613 1.648 1.696
3.964155 3.922088 3.895341 3.812612 3.704708
1
2
3
4
5
6
7
139
137
137
135
134
133
132
4.934473933 4.919981 4.919981 4.905275
-0.00865696
4.21966E-05
50
48
2.010634758
8.4842E-05
0.001377797
1.3503E-05
362.8982517
15.349 15.367 15.382 15.395
102
89
78
69
4.997212274 4.875197 4.762174 4.624973 4.488636 4.356709 4.234107 -0.128307566
0.00095153 10 8
2.306004135 0.002194232 0.020416527 0.000349004 24.48996368
24 13 12.8 12.9
32 17 16.8 16.9
40 21.3 21.5 21.4
64 31.2 31.4 31.3
受迫振动
1.546 1.546 1.545
相频特性曲线
53
ω
4 4.1 4.2 4.3 4.4 4.5
17
18
19
20
21
22
23
24
25
121
121
119
118
117
3.6 3.7 3.8 3.9 4
8
9
10
11
12
13
14
15
16
131
130
129
127
127
125
125
123
123
4.875197 4.867534 4.859812 4.844187 4.844187 4.828314 4.828314 4.812184 4.812184
8
9
10
25
19
15
1.568 1.551 1.559 1.555 1.544 1.532 1.517 1.527 1.51
4.007133 4.051054 4.030266 4.040634 4.069421 4.101296 4.141849 4.114725 4.16105
82 51.7 51.9 51.8
100 73.5 73.7 73.6
1.53802
4.085246792
0.005628639
177.6628293
1
2
3
4
4.89784 4.890349 4.882802
15.408
5
6
7
133
105
82
65
52
40
32
4.890349128 -0.242029548
0.001566412 10 8
2.306004135 0.003612153 0.038491652 0.000573615 12.98982943
30 144 144.2 144.1
受迫振动
1.543 1.541 1.539
8
9
10
60
54
47
4.094345 3.988984 3.850148
Td/s
ω
θm/s φ1/° φ2/° φ/°
1.698 1.657 1.629 1.588
3.700345 3.791904 3.857081 3.956666
60 145 145.2 145.1
47 152.9 153.1
153
34 159.8
160 159.9
105 95
94.9 94.95
84 126 125.8 125.9
35
36
37
38
39
40
41
42
43
104
103
102
101
100
99
99
97
97
4.644391 4.634729 4.624973 4.615121 4.60517 4.59512 4.59512 4.574711 4.574711
28 147.3 147.1 147.2
20 154.8 154.9 154.85
48 123 123.2 123.1
55 104 104.3 104.15
53 112.2 112.4 112.3
54 106.8
107 106.9
54 67.1
67 67.05
55 71.2
71 71.1
52 63.7 63.9 63.8
1.541 1.5431 4.074813747 0.156846315 6.375667817
1
4.65396 4.406719 4.174387 3.951244 3.688879 3.465736
1.544 1.544 1.545 1.545 1.545 1.544
2
3
4
5
6
7
148
131
117
3.218876 2.944439 2.70805
Td/s
ω
θm/° φ1/° φ2/° φ/°
1.56 1.515 1.486 1.467
4.027683 4.147317 4.228254 4.283017
56 76.1
76 76.05
50 118.9 119.1
119
37 137.1 137.3 137.2
92 62.1 62.3 62.2
96 67 67.1 67.05
103 84.8
85 84.9
99 107.9
108 107.95
78 130.4 130.5 130.45
95 116.8 116.9 116.85
68 139 139.2 139.1
26
27
28
29
30
31
32
33
34
113
111
阻尼0 阻尼5 阻尼3
x 振幅θ/ ° y=lnθ b= Sb= n= ν= tp(ν)= Δb= ζ= Δζ= Q= 10Td/s avgTd= ω0= β= τ= x 振幅θ/ ° y=lnθ b= Sb= n= ν= tp(ν)= Δb= ζ= Δζ= Q= Td/s avgTd= ω0= β= τ= x 振幅θ/ ° y=lnθ b= Sb= n= ν= tp(ν)= Δb= ζ= Δζ= Q= Td/s avgTd= ω0= β= τ=
49 56.1 56.4 56.25
43 47.4 47.1 47.25
40 42.2
42 42.1
30 31.1 31.3 31.2
23 24.4 24.5 24.45
1.503 1.488 1.462 1.538 1.521
4.180429 4.222571 4.297664 4.085296 4.130957
1.544 1.544 1.545 1.545 1.546 1.546 1.546 1.5453 4.066844782 0.083030846 12.04371693
幅频特性曲线
θ
120
相频特性曲线
φ
180
100
160
140
80
120
60
53
100
80
40
60
40 20
20
0
ω0
3.6 3.7 3.8 3.9 4 4.1 4.2 4.3 4.4 4.5
来自百度文库
117
115
115
113
4.795791 4.795791 4.779123 4.770685 4.762174 4.762174 4.744932 4.744932 4.727388
1.455 1.417 1.511 1.532 1.523 1.529 1.57 1.566 1.574
4.31834 4.434146 4.158296 4.101296 4.125532 4.109343 4.002029 4.012251 3.991859
44
45
46
47
48
49
50
96
95
94
93
93
91
91
4.564348 4.553877 4.543295 4.532599 4.532599 4.51086 4.51086