角速度の関数として,被動的背中の外骨格からの屈折と伸縮モメントの比較
Jarrod A Smith1, Shahram R Heravi2, Ryan Porto3
1Department of Kinesiology, University of Windsor, Canada.
Applied ergonomics
|August 21, 2025
まとめ
この研究では,エクソスケルトンの性能,特にモメント出力が,活性化レベルと運動速度によって大きく変化することを発見しました. この研究は,特定の仕事の要求に応じて適切な外骨格を選択し,背中の怪我を防ぐのに役立ちます.
科学分野:
- バイオメカニクス
- 労働衛生について
- ロボット
背景:
- 腰痛は肉体的に厳しい仕事で よく見られ 高額な個人や社会的コストを伴うものです
- 外部骨格は 身体の負担や怪我のリスクを減らすために 機械的なサポートを提供します
- 異なる労働条件下での外骨格の性能に関するデータは限られている.
研究 の 目的:
- 外骨格の活性化レベルと角速度がサギタル平面のモーメント出力にどのように影響するか評価する.
- SuitX-backXとLaevo-V2.5の外骨格の性能を比較する
- 作業特有の外骨格の選択を 職場で安全を確保するために
主な方法:
- 外骨格 (SuitX-backX,Laevo-V2.5) はダイナモメーターでテストされました.
- 試験は,様々な負荷率 (5-60°/秒) の下での全範囲の動きを対象とした.
- 統計パラメトリックマッピング双方向ANOVAは,アクティベーションレベル (高/低) と角速度に基づくモメント出力の違いを分析した.
主要な成果:
- 両方のエクソスケルトンモデルは,モメント出力の有意な違いを示した.
- 活性化レベルによってパフォーマンスは著しく変化した.
- 角速度は両外骨格のモーメント出力にも大きな影響を及ぼした.
結論:
- 外骨格の性能は常数ではなく,活性化設定と運動速度に影響されます.
- これらの性能の違いを理解することは 効果的な外骨格の選択に不可欠です
- この研究は,職業上の背中の怪我を予防するために,外骨格の使用を最適化するためのデータを提供します.
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