鉄道車両の車体弾性振動低減のためのヨーダンパ取付け構造

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書誌事項

タイトル別名
  • The mounting structure of yaw dampers for reduction of flexural vibration of railway vehicle carbody
  • (Development of the rotational axle type mounting structure of yaw dampers)
  • （回転軸構造の開発）

説明

<p>To improve the ride comfort in railway vehicles, we have developed a new mounting structure for yaw dampers to reduce the flexural vibration of railway vehicle carbody. The new mounting structure of yaw dampers has a rotational axle with bearing units and restoring spring. One of the features is that yaw damper brackets attached to the carbody side can move in the longitudinal direction along the carbody. We developed the prototype device for a full-scale test vehicle and carried out the verification tests at the rolling stock testing plant of the Railway Technical Research Institute. The hunting stability test shows that the critical speed of a vehicle with the developed device is more than 250 km/h. The rolling test shows that the vertical vibration of carbody floor induced by the rotation of wheelsets with small mass imbalance is lower with the developed device compared to original structure.</p>

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