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July 24, 2026Applied SciencesOpen Access

Apparent Masses of Seated Human Body with Tri-Axis Vibration: Combined Effect of In-Line Magnitude, Cross-Axis Magnitude, and Backrest Inclination

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Authors

WYWeitan YinZhejiang UniversityQYQiu YiHuman Factors (Norway)FLFengqin LiZhejiang University of Water Resource and Electric Power

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Implication

Randomized trial investigates apparent mass influences from vibration axes and backrest tilt in seating, suggesting improved ride comfort evaluation.

Key Points

  • This study aims to explore how tri-axis vibration and backrest inclination affect the apparent masses of the seated human body.
  • Measured fore-aft, lateral, and vertical apparent masses during tri-axis translational excitation.
  • Examined various in-line and cross-axis magnitudes alongside backrest inclinations of 0°, 10°, and 20°.
  • Analyzed the interaction effects between primary and secondary-axis magnitudes on apparent mass.
  • Fore-aft peak modulus initially decreased, then increased with backrest inclination; non-monotonic resonance pattern lost under tri-axis conditions.
  • Backrest effects on fore-aft and lateral apparent masses were insignificant under single-axis but significant under tri-axis vibration.

Cite This Study

Yin et al. (2026) studied this question.

synapsesocial.com/papers/6a630179395161722cd1618ehttps://doi.org/10.3390/app16147325
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Combined effect of vibration magnitude and backrest inclination on the apparent masses of seated human body2026 · 1 citations
  2. 2Is It Really Robust?2010 · 1,307 citations
  3. 3Biodynamic response of seated human body to vertical and added lateral and roll vibrations2021 · 8 citations
  4. 4Biodynamic Response of the Seated Human Body to Single-axis and Dual-axis Vibration: Effect of Backrest and Non-linearity2011 · 39 citations
  5. 5Apparent mass of the seated human body during vertical vibration in the frequency range 2–100 Hz2020 · 10 citations