| Abstract |
The superconductive Maglev system, which is based on the electrodynamic suspension (EDS) and driven by the linear synchronous motor (LSM) can operate up to 500 km/h, keeping the gap length between bogie and guideway about l0 cm. Although the superconductive EDS system has the advantage of stable levitation without active control, various electromagnetic or mechanical disturbances can cause the change of gap length and the displacement or oscillation of the bogie. So it is very important to analyze the characteristics of bogie motion with numerical simulation and verify them with operational results on the test track as well. In this paper oscillatory motion of the running bogie is studied. Damping characteristics of vertical motion are calculated. And dependence of damping characteristics on resistance of the levitation coils and running speed, are shown. From the results, it is found that increasing speed has same effect as reducing resistance of the levitation coils. 3-dimensional running simulation of the superconductive Maglev bogie are shown too. The bogie motion is calculated when the lateral force acts on the bogie to find bogie's behaviour. |
