Investigation of the 3-D vibration transmissibility on the human hand-arm system using a 3-D scanning laser vibrometer

Auteurs-es

  • Daniel E. Welcome Engineering and Engineering and Control Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, United States
  • Ren G. Dong Engineering and Engineering and Control Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, United States
  • Xueyan S. Xu Engineering and Engineering and Control Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, United States
  • Christopher Warren Engineering and Engineering and Control Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, United States
  • Thomas W. McDowell Engineering and Engineering and Control Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, United States
  • John Z. Wu Engineering and Engineering and Control Technology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV, United States

Mots-clés :

Damage detection, Resonance, 3D-scanning, Biodynamic response, Frequency ranges, Function of frequency, Hand-arm system, Measurement locations, Orthogonal directions, Random vibrations, Transmissibility functions, Vibration controller, Vibration test system, Vibration transmissibility

Résumé

The vibration transmissibility on the human hand-arm system subjected to vibrations in three orthogonal directions was investigated. Seven healthy male subjects participated in the study and the experiment was carried out on a novel 3-D vibration test system. The vibration controller was programmed to generate broadband random vibration in the frequency range of 16-500 Hz along each direction. The measured tri-axial transmissibility functions are found to vary among the subjects and their basic distributions of the transmitted vibration on the hand-arm system are similar. The magnitudes of the tri-axial transmissibility measured at six important locations on the hand-arm system of the subject show that transmissibility is a function of frequency. which varied greatly with measurement location and vibration direction. The resonances observed at the wrist, elbow, and shoulder are consistent with the first resonance observed in the driving-point biodynamic response in each corresponding direction.

Fichiers supplémentaires

Publié-e

2011-06-01

Comment citer

1.
Welcome DE, Dong RG, Xu XS, Warren C, McDowell TW, Wu JZ. Investigation of the 3-D vibration transmissibility on the human hand-arm system using a 3-D scanning laser vibrometer. Canadian Acoustics [Internet]. 1 juin 2011 [cité 11 mai 2026];39(2):44-5. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2349

Numéro

Vol. 39 No. 2 (2011)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

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