A30 ピエゾ素子と能動型支持系による柔軟構造車体のアクティブ制振に関する研究(OS2-2 交通機械/振動制御の高度化)

概要

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In recent years, railway vehicles are becoming lighter since it corresponds to improvement in the running speed. However, this affects a degree of ride comfort as increase in bending vibration due to the deterioration of the body rigidity. Recently, the piezoelectric element are paid attention as the actuator for structures in order to control vibration. This is referred as the smart structure concept. A piezo-electric element has characteristic that is small, light and high output. Therefore, the objective of this research is to reduce bending vibration by embedding piezo-electric elements in the body. In addition, an active control is applied to the secondary suspension, and the rigidity vibration of the car body is reduced. Vibration control performance is investigated by computer simulation and experiment with 1/6-scale experimental setup.
社団法人日本機械学会の論文
2005-08-22