Advertisement

Multibody Biomechanical Modelling of Human Body Response to Vibrations in an Automobile

  • Raj Desai
  • Anirban GuhaEmail author
  • P. Seshu
Conference paper
Part of the Mechanisms and Machine Science book series (Mechan. Machine Science, volume 73)

Abstract

Vehicle drivers experiencing long sitting posture suffer from muscle fatigue and various problems in spine like herniated discs and low back pain. In order to design a seat to improve their comfort, it is necessary to choose a modeling method of appropriate level of complexity - one that allows the interaction of all major parts of the body to be captured but is simple enough so that effect of contact of separate parts of the body with the seat can be estimated. A 26 degree of freedom multibody biomechanical model reported in this paper is an attempt in this direction. The restraining effect on the upper part of the torso due to contact of hands with steering wheel has been included in the model - an effect which has been ignored by most researchers. Sixty-five model parameters have been identified by using genetic algorithm to minimize the sum squared error between seat to head transmissibility and apparent mass of the model and experimental results. A parameter sensitivity study revealed that a seat design which targets vertical compression at pelvis is likely to be the most effective followed by the ability to restrain horizontal motion at thigh.

Keywords

Biomechanical Model Vibration Apparent mass Seat to head transmissibility Genetic algorithm Human body 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    M. Magnusson, M. Pope, D. Wilder, T. Hansson, Vibrations as the cause of low back pain disorders. Professional drivers are at risk, Lakartidningen. 92 (1995) 1711.Google Scholar
  2. 2.
    S. Lings, C. Leboeuf-Yde, Whole body vibrations and low back pain, Ugeskr. Laeger. 160 (1998) 4298–4301.Google Scholar
  3. 3.
    J. Sandover, Dynamic loading as a possible source of low-back disorders., Spine (Phila. Pa. 1976). 8 (1983) 652–658.CrossRefGoogle Scholar
  4. 4.
    R.R. Coermann, The mechanical impedance of the human body in sitting and standing position at low frequencies, Hum. Factors. 4 (1962) 227–253.Google Scholar
  5. 5.
    L. Wei, J. Griffin, The prediciton of seat transmissibility from measures of seat impedance, J. Sound Vib. 214 (1998) 121–137.CrossRefGoogle Scholar
  6. 6.
    R. Muksian, C.D. Nash, A model for the response of seated humans to sinusoidal displacements of the seat, J. Biomech. 7 (1974) 209–215.CrossRefGoogle Scholar
  7. 7.
    Y. Wan, J.M. Schimmels, A simple model that captures the essential dynamics of a seated human exposed to whole body vibration, Adv. in Bioeng. ASME, BED, 31 (1995) 333-334.Google Scholar
  8. 8.
    P.-É. Boileau, S. Rakheja, Whole-body vertical biodynamic response characteristics of the seated vehicle driver: measurement and model development, Int. J. Ind. Ergon. 22 (1998) 449–472.CrossRefGoogle Scholar
  9. 9.
    S. Kitazaki, M.J. Griffin, A modal analysis of whole-body vertical vibration, using a finite element model of the human body, J. Sound Vib. 200 (1997) 83–103.CrossRefGoogle Scholar
  10. 10.
    T. Yoshimura, K. Nakai, G. Tamaoki, Multi-body dynamics modelling of seated human body under exposure to whole-body vibration, Ind. Health. 43 (2005) 441–447.CrossRefGoogle Scholar
  11. 11.
    T.-H. Kim, Y.-T. Kim, Y.-S. Yoon, Development of a biomechanical model of the human body in a sitting posture with vibration transmissibility in the vertical direction, Int. J. Ind. Ergon. 35 (2005) 817–829.CrossRefGoogle Scholar
  12. 12.
    Y. Cho, Y.-S. Yoon, Biomechanical model of human on seat with backrest for evaluating ride quality, Int. J. Ind. Ergon. 27 (2001) 331–345.CrossRefGoogle Scholar
  13. 13.
    W. Wang, S. Rakheja, P.-É. Boileau, Relationship between measured apparent mass and seat-to-head transmissibility responses of seated occupants exposed to vertical vibration, J. Sound Vib. 314 (2008) 907–922.CrossRefGoogle Scholar
  14. 14.
    S.S. Rao, Engineering optimization, John Wiley & Sons, 1996.Google Scholar
  15. 15.
    G. Zheng, Y. Qiu, M.J. Griffin, An analytic model of the in-line and cross-axis apparent mass of the seated human body exposed to vertical vibration with and without a backrest, J. Sound Vib. 330 (2011) 6509–6525.CrossRefGoogle Scholar
  16. 16.
    Z. Gan, A. J. Hillis, J. Darling, Adaptive control of an active seat for occupant vibration reduction, J Sound Vib. 349 (2015): 39-55.CrossRefGoogle Scholar
  17. 17.
    W. Li, M. Zhang, G. Lv, Q. Han, Y. Gao, Y. Wang, Q. Tan, M. Zhang, Y. Zhang, Z. Li, Biomechanical response of the musculoskeletal system to whole body vibration using a seated driver model, International Journal of Industrial Ergonomics 45 (2015): 91-97.CrossRefGoogle Scholar
  18. 18.
    L. X. Guo, R. C. Dong, M. Zhang, Effect of lumbar support on seating comfort predicted by a whole human body-seat model, Int Journal of Industrial Ergonomics 53 (2016): 319-327.CrossRefGoogle Scholar
  19. 19.
    R. Desai, A. Guha, P. Seshu, Multibody Biomechanical Modelling of Human Body Response to Direct and Cross Axis Vibration, Procedia Computer Science 133 (2018): 494-501.CrossRefGoogle Scholar

Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringIndian Institute of Technology BombayMumbaiIndia
  2. 2.Department of Mechanical EngineeringIndian Institute of Technology DharwadDharwadIndia

Personalised recommendations