Mathematical Problems in Engineering

Research Article

Mathematical Problems in Engineering Research on Composite Fault Separation of Rolling Bearing Based on Functional Mixing Decoupling Model

Table 5

Screening of frequency relations.


Order	First order, Hz	Second order, Hz	Third order, Hz

Group a	30 44.7 161.9	14.7 60 74.7 89.4 117.2 131.9 191.9 206.6 323.8	15.3 30 44.7 59.4 72.5 87.2 90 101.9 104.7 119.4 134.1 147.2 161.9 176.6 221.9 236.6 241.3 279.1 293.8 353.8 368.5 485.7
Group b	30 141.4 161.1	19.7 60 111.4 131.1 171.4 191.1 282.8 302.5 322.2	10.3 30 49.7 81.4 90 101.1 121.7 141.4 161.1 180.8 201.4 221.1 252.8 272.5 292.2 312.8 332.5 352.2 424.2 443.9 463.6 483.3
Group c	14.6 30 263.7	15.4 29.2 44.6 60 233.7 249.1 278.3 293.7 527.4	0.8 14.6 30 43.8 45.4 59.2 74.6 90 203.7 219.1 234.5 248.3 263.7 279.1 292.9 308.3 323.7 497.4 512.8 542 557.4 791.1
Group d	30 68.9 159	38.9 60 90.1 98.9 129 137.8 189 227.9 318	8.9 21.2 30 60.1 68.9 90 99 107.8 120.1 128.9 159 167.8 197.9 206.7 219 249.1 257.9 288 296.8 348 386.9 477
Group e	24.2 30 262.9	5.8 48.4 54.2 60 232.9 238.7 287.1 292.9 525.8	18.4 24.2 30 35.8 72.6 78.4 84.2 90 202.9 208.7 214.5 257.1 262.9 268.7 311.3 317.1 322.9 495.8 501.6 550 555.8 788.7
Group f	30 71.8 215.3	41.8 60 101.8 143.5 143.6 185.3 245.3 287.1 430.6	11.8 30 71.7 71.8 90 113.5 113.6 131.8 155.3 173.5 173.6 215.3 215.4 257.1 257.3 317.1 358.8 358.9 400.6 460.6 502.4 645.9
Group g	30 101.8 113.5	11.7 60 71.8 83.5 131.8 143.5 203.6 215.3 227	18.3 30 41.7 41.8 53.5 90 90.1 101.8 113.5 125.2 161.8 173.5 173.6 185.3 198 233.6 245.3 257 305.4 317.1 328.8 340.5
Group h	30 41.7 137.7	11.7 60 71.7 83.4 96 107.7 167.7 179.4 275.4	18.3 30 41.7 53.4 54.3 66 77.7 90 101.7 113.4 125.1 126 137.7 149.4 197.7 209.4 221.1 233.7 245.4 305.4 317.1 413.1
Group i	30 47.6 173.5	17.6 60 77.6 95.2 125.9 143.5 203.5 221.1 347	12.4 30 47.6 65.2 78.3 90 95.9 107.6 113.5 125.2 142.8 155.9 173.5 191.1 233.5 251.1 268.7 299.4 317 377 394.6 520.5
Group j	30 35.8 93	5.8 57.2 60 63 65.8 71.6 123 128.8 186	21.4 24.2 27.2 30 33 35.8 41.6 87.2 90 93 95.8 98.8 101.6 107.4 150.2 156 158.8 164.6 216 221.8 279 453