鉄道車両の曲線通過時の振動伝達メカニズムに対する考察

抄録

In the design of modern railway vehicles, it is general way to predict and evaluate the vehicle vibration by vehicle dynamics simulation under the vehicle running on the assumed traveling section. To realize the desired vehicle vibration characteristics, it is important to clarify the mechanism of vibration transmissibility from track irregularity to vehicle. In many previous studies, the vehicle lateral vibration on curve section was evaluated by vehicle dynamics simulation. However, the vibration transmissibility on curve section from lateral track irregularity to vehicle was not sufficiently investigated. In this study, the vibration transmissibility characteristics on both curve section and straight section is compared by vehicle dynamics simulation with sine-wave lateral track irregularity excitation. As a result, the mechanism of vibration transmissibility of vehicle lateral vibration for curve section is clarified.