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Dynamic Behaviour of Human Body During Operation of Mobile Machines

[+] Author Affiliations
Sirpa Launis, Simo-Pekka Leino, Juha M. Kortelainen

VTT Technical Research Centre of Finland, Tampere, Finland

Paper No. ESDA2006-95294, pp. 213-220; 8 pages
  • ASME 8th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 3: Dynamic Systems and Controls, Symposium on Design and Analysis of Advanced Structures, and Tribology
  • Torino, Italy, July 4–7, 2006
  • ISBN: 0-7918-4250-9 | eISBN: 0-7918-3779-3
  • Copyright © 2006 by ASME


The goal of our research work has been to build up an easy-to-use, computationally feasible virtual simulation model of the human body which could be applied to various studies of the vibration transmission and the human exposure to vibration during mobile machine operation. The proposed human model is a 46 degrees-of-freedom multibody model, in which PD-controllers are used to describe the muscular action in driving situations. In the presented case study, random, real driving situation based excitations are applied on the model. The results of the virtual simulation are compared with measurement data from physical test drive simulator. It is shown, that the conventional PD-controller can predict the human behavior in a reasonable accuracy with smaller amplitude excitation. When the human undergoes larger shock loads, there could be added a delay term in the control law.

Copyright © 2006 by ASME
Topics: Machinery



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