著者

Joel HANSSON Masayuki TAKANO Tadao TAKIGAMI Takahiro TOMIOKA Yasufumi SUZUKI

出版者

社団法人 日本機械学会

雑誌

JSME International Journal Series C Mechanical Systems, Machine Elements and Manufacturing (ISSN:13447653)

巻号頁・発行日

vol.47, no.2, pp.451-456, 2004 (Released:2005-01-25)

参考文献数

9

被引用文献数

3 18

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A new method for improving riding comfort by reducing vertical flexural vibrations in railway car bodies using piezoelectric elements is studied in this paper. Piezoelectric elements are attached on the car body in order to convert vibration energy to electrical energy, which can be dissipated in a shunt circuit. Assuming the car body as an elastically supported Bernoulli-Euler beam, theoretical analysis and numerical simulations are carried out. The numerical results are supplemented by experiments on a 1:5 scale model of a Shinkansen vehicle. Both numerical and experimental results indicate that the method yields significant vibration suppression with only a small amount of added weight. Two types of shunt circuits; a single-mode circuit and a multi-mode circuit are studied.