- 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
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.
- 著者
- Tadao TAKIGAMI Takahiro TOMIOKA
- 出版者
- 公益財団法人 鉄道総合技術研究所
- 雑誌
- Quarterly Report of RTRI (ISSN:00339008)
- 巻号頁・発行日
- vol.46, no.4, pp.225-230, 2005 (Released:2006-02-23)
- 参考文献数
- 10
- 被引用文献数
- 3 13
The goal of this study is to reduce the bending vibration of railway vehicles by applying a vibration suppression technique that utilizes piezoelectric elements electrically shunted by an external circuit. This paper presents an investigation that uses a scale model of a Shinkansen vehicle about 5m long. Small pieces of piezoelectric elements are bonded to its floor structure and electrically connected to a shunt circuit featuring a design based on a newly proposed method. The results of excitation tests show that the bending vibration of the carbody can be reduced successfully.