Dynamic Simulation Study Of Curve Parameters Of Low & Middle Speed Maglev Train

Urban rail transit has been developed with the developing of the urbanization, the low & middle speed maglev train with its unique advantages becomes an important form of urban track transit, and it will be make the urban rail transit system more perfect in future with the subway, light rail, tram and so on.The traditional research of line parameters uses the quasi-static method, but the limitation of this method is not considering the dynamic interaction between vehicle and line. A large number of scientists engaged on the research by establishing the vehicle-line dynamic coupling model to do dynamics simulation, but most of their models were based on the low & middle speed maglev train with three bogies or four bogies, and their paper focus on using the line parameters to evaluate the rationality of some key components. Based on the engineering background of the five bogies low & middle speed maglev train test line of Zhuzhou locomotive factory, the paper carries out the study on the influence of the circular curve parameters to dynamic performance of the low & middle speed maglev train, it has a certain practical significance.Based on the detailed analysis and study the geometry parameters on the line of low & middle speed maglev train and the previous vehicle-line dynamic coupling model, this paper uses the dolly dynamics software SIMPACK to set up dynamic model of low & middle speed maglev train.This paper mainly carries out the study on the influence of the circular curve parameters to dynamic performance of the low & middle speed maglev train, so it chooses train running speed,curve radius and real set super elevation to study on the simulation research.Through different combination of train running speed, curve radius and real set super elevation, the paper generates them into the model to calculate and then analyze the results. The paper carries out the study on the influence of running speed, circular curve radius and real set super elevation when the track is in the theory and irregularity’s state. Finally, the paper suggests the minimum curve radius, in order to provide theoretical support and reference for the design on the low & middle speed maglev train line.