Table 2 Relevant model parameters.
From: Study of repulsive permanent magnetic levitation mechanism and its dynamic characteristics
Parameter | Symbol | Value |
|---|---|---|
Thickness of magnetic block | d | 20Â mm |
Length of vehicle magnet | l | 100Â mm |
Unit magnetic block width | w | 12Â mm |
Residual magnetism | Br | 1.35Â T |
Space permeability | μ0 | 4π × 10-7H/m |
Relative permeability | μr | 1 |
Coercivity | Hc | 980KA/m |
Unit wavelength Number of magnetic blocks | n | 4 |
Proportional correction factor | \(k_{1}\) | 0.04935 |
Exponential correction factor | \(k_{2}\) | 0.4424 |
vertical damping | \(c_{1}\) | 654.1872Â kg/s |
Pitch motion damping | \(c_{2}\) | 676.4173Â kg.m2/s |
Sway motion damping | \(c_{3}\) | 733.8691Â kg.m2/s |
Moment of inertia (X-axis) | Jα | 5.9199 |
Moment of inertia (Y-axis) | Jβ | 2.1441 |
Weight | m | 64.379Â kg |
Balancing air gap | Z0 | 27.23Â mm |
Distance between magnetic poles 1 (3) and 2 (4) | a | 300Â mm |
Distance between magnetic poles 2(1) and 3(4) | b | 185Â mm |