Human Postural Stability Models – Final Report

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Authors
  1. Langlois, R.
  2. Bourgeois, N.
  3. Leveille, M. J.
  4. Morris, H.
  5. Wice, A. M.
Corporate Authors
Defence R&D Canada - Atlantic, Dartmouth NS (CAN);Carleton Univ, Ottawa ONT (CAN) Dept of Mechanical and Aerospace Engineering
Abstract
During naval operations in waves, loss of postural stability by crew members can cause degradations to operational effectiveness and safety. Motion-induced interruptions (MIIs) are often predicted using simplified models that assume a human being to be a rigid body. The accuracy of such models is often limited because they ignore the complexity of human dynamics. This report describes new postural stability models that consider the dynamics of humans subjected to external motions. The resulting models were validated experimentally at full scale using purpose-built physical apparatus representing the stability and load models as well as the coupling link between them. A comprehensive series of parametric experiments using the developed hardware was performed. The resulting validated models were then implemented in a distributed simulation environment.

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Keywords
postural stability;motion-induced interruption;MII;distributed simulation;VFD-RT;shipboard mechanical;systems;dynamic modelling
Report Number
DRDC-ATLANTIC-CR-2013-083 — Contract Report
Date of publication
01 Nov 2013
Number of Pages
184
DSTKIM No
CA046322
CANDIS No
806708
Format(s):
Electronic Document(PDF)

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