Research Article
Random Vibration Analysis of Coupled Three-Dimensional Maglev Vehicle-Bridge System
Table 1
Main parameters of the maglev vehicle.
| | Parameter | Unit | Value |
| | Cabin body mass (mc) | kg | 23292 | | Bogie mass (mb) | kg | 846 | | Roll inertia of cabin body (Jcx) | kg·m2 | 66800 | | Pitch inertia of cabin body (Jcy) | kg·m2 | 210000 | | Yaw inertia of cabin body (Jcz) | kg·m2 | 193000 | | Roll inertia of bogie (Jbx) | kg·m2 | 963 | | Pitch inertia of bogie (Jby) | kg·m2 | 1800 | | Yaw inertia of bogie (Jbz) | kg·m2 | 268 | | Longitudinal stiffness of secondary suspension (kcx) | N/m | 900000 | | Vertical stiffness of secondary suspension (kcy) | N/m | 140000 | | Lateral stiffness of secondary suspension (kcz) | N/m | 6000 | | Longitudinal damping of secondary suspension (ccx) | N·s/m | 50000 | | Vertical damping of secondary suspension (ccy) | N·s/m | 70000 | | Lateral damping of secondary suspension (ccz) | N·s/m | 4000 | | Stiffness of spring dampers connecting the left and right bogies (kby, kbz) | N/m | , 4300 | | Damping of spring dampers connecting the left and right bogies (cby, cbz) | N·s/m | , 2100 | | Resistance (R0) | | 1.6 | | Air gap at balanced point (h0) | mm | 10 | | Pole area (A0) | m2 | 0.383 | | Coil turn (N0) | — | 660 | | Vacuum permeability () | H/m | | | Width of electromagnet (d0) | m | 0.164 | | Length of cabin | m | 16 | | Width of cabin | m | 2.62 | | Height of cabin | m | 2.9 |
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