旅客乗車による車両の振動特性変化が1次ばね系制振制御システムの制振性能に与える影響(旅客を考慮した車両モデルによる数値的検討と車両試験台での加振試験)
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概要
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We proposed a method to suppress the first mode bending vibration in a carbody of railway vehicle by using a damping control system of primary vertical dampers. The results of running tests using actual Shinkansen vehicles showed that the control system can effectively reduce the power spectral density (PSD) of accelerations of the carbody floor. On the other hand, the previous researches indicated that on-board passengers make a difference to the bending vibration of the carbody. Therefore, in this study, to confirm the efficacy of the control system regardless existence of passengers, we carried out numerical simulations using a vehicle model combined with passenger models and excitation tests on rolling stock testing plant with/without passengers. As the result, we could make clear the influence of on-board passengers to the bending vibration by using the model. Furthermore, by using the same control parameters, we verified that the system could obtain the excellent performance of vibration suppression regardless existence of passengers.
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