振動が人体エルゴノミクスに与える影響:FEMを用いて質量,クッション材料,バックレストの角度の影響の分析
Shubham Sharma1, Sachin Kalsi1, Jagjit Singh1
1Department of Mechanical Engineering, Chandigarh University, Mohali, Punjab, India.
Work (Reading, Mass.)
|August 29, 2025
まとめ
エルゴノミックな座席は全身の振動 (WBV) のリスクを減らすことができます. 背中が少し斜めで ポリウレタン製のクッションは 振動の伝播を最小限に抑え 運転手や産業労働者の快適さを高めます
科学分野:
- バイオメカニクス
- エルゴノミクス
- 労働衛生について
背景:
- 全身振動 (WBV) は,運動器系障害や不快感を含む健康上の重大なリスクをもたらす.
- 自動車の運転や産業での作業は 振動に長時間曝露することになります
研究 の 目的:
- 座っているインド人の男性で振動の伝染性を評価する (第50パーセントと95パーセント).
- 座席クッションの材料,バックレストの角度,加速度の振動伝送への影響を評価する.
主な方法:
- 4層の有限要素法 (FEM) のCADモデルを開発した.
- 異なる条件下で振動の伝達性を分析した:人間の質量,座席の材料,バックレストの角度,加速レベル.
主要な成果:
- バックレストの角度,座席の材料,加速度の変動は,振動伝達に大きな影響を及ぼします.
- 背中が10°から15°の傾きで,垂直の振動の伝達が低下する.
- ポリウレタン製のシートクッションは 快適さを高め 振動の影響を軽減します
結論:
- この発見は,振動に弱い環境での安全性と快適性を向上させるための, 座席のエルゴノミクスの設計に役立つ.
- 座席のデザインを最適化することで,長時間WBVの感染に伴う健康リスクを軽減できます.
- この研究は,健康に配慮した高度な座席ソリューションの開発に寄与します.
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