Research on an Abdominal Oppression for Occupant at 4Hz Vertical Vibration

4Hz 上下振動時のシート着座乗員の腹部圧迫に関する研究

This paper describes a possible cause of discomfort in the abdomen region of an occupant due to vibration at a frequency of 4 Hz. A human body FE model, THUMS Version 1, was used to explain the skeletal motion. The pelvis was rotated by a vertical load mostly acting to the ischium from the seat cushion. The abdomen part was compressed with the spine moved back and forth. When the vertical load to the ischium was decreased by changing the seat cushion property, the magnitude of pelvis rotation and the abdominal compression were reduced.乗員が自動車用シートに着座した状態でフロアが上下に振動すると,乗員の振動は4Hz付近で最大となり,腹部が圧迫される感じを受ける.今回人体FEモデルTHUMSを用いて,シート着座乗員の振動を定量的に分析,骨盤の回転振動が腹部の圧迫につながると考えられる腹部の圧縮変形の一要因であることを示した.


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  • Accession Number: 01676727
  • Record Type: Publication
  • Source Agency: Japan Science and Technology Agency (JST)
  • Files: TRIS, JSTAGE
  • Created Date: Jan 31 2018 3:13PM