360579 ANALYSIS ON HIGH FREQUENCY VIBRATION CHARACTERISTICS OF THE NEXT GENERATION SHINKANSEN SEATS(Vehicle,Technical Session)

Shigeki Fukui; Yuta Ichikura; Masao Nagai; Yohei Michitsuji; Seiichi Watanabe; Katsufumi Hashimoto; Yoshihiko Yokoyama; Takahiro Tomioka; Ryohei Shimamune

doi:10.1299/jsmestech.2009._360579-1_

2009

Session ID : 360579

DOI https://doi.org/10.1299/jsmestech.2009._360579-1_

Conference information

360579 ANALYSIS ON HIGH FREQUENCY VIBRATION CHARACTERISTICS OF THE NEXT GENERATION SHINKANSEN SEATS(Vehicle,Technical Session)

Shigeki Fukui, Yuta Ichikura, Masao Nagai, Yohei Michitsuji, Seiichi Watanabe, Katsufumi Hashimoto, Yoshihiko Yokoyama, Takahiro Tomioka, Ryohei Shimamune

Author information

Shigeki Fukui
Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology
Yuta Ichikura
Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology
Masao Nagai
Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology
Yohei Michitsuji
Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology
Seiichi Watanabe
R&D Center, East Japan Railway Company
Katsufumi Hashimoto
R&D Center, East Japan Railway Company
Yoshihiko Yokoyama
R&D Center, East Japan Railway Company
Takahiro Tomioka
Vehicle Noise & Vibration, Railway Technical Research Institute
Ryohei Shimamune
Ergonomics, Railway Technical Research Institute

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Abstract

This paper describes the analysis of the vibration characteristics of the seat with backrest in high frequency domain. In this paper, running test, impulse hammer blow test and 3D shaking table test are carried out in order to clarify the dynamic characteristics of the seat with backrest of a high speed railway vehicle, for example Shinkansen bullet train. The measurement test is done to identify the stiffness of backrest. In addition, the analysis model produces around 10 Hz translational vibration and around 30 Hz torsional of the backrest. The results from numerical analysis are compared with experimental analysis for model validation. In conclusion, the mechanism of vibration occurrence of the backrest is clarified and it gives fundamental design procedure for passenger seat.

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