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Journal Article

Citation

Sobhani A, Young W, Logan D, Bahrololoom S. Accid. Anal. Prev. 2011; 43(3): 741-754.

Affiliation

Department of Civil Engineering, Monash University, Victoria 3800, Australia.

Copyright

(Copyright © 2011, Elsevier Publishing)

DOI

10.1016/j.aap.2010.10.021

PMID

21376862

Abstract

An important part of any model of vehicle crashes is the development of a procedure to estimate crash injury severity. After reviewing existing models of crash severity, this paper outlines the development of a modelling approach aimed at measuring the injury severity of people in two-vehicle road crashes. This model can be incorporated into a discrete event traffic simulation model, using simulation model outputs as its input. The model can then serve as an integral part of a simulation model estimating the crash potential of components of the traffic system. The model is developed using Newtonian Mechanics and Generalised Linear Regression. The factors contributing to the speed change (ΔV(s)) of a subject vehicle are identified using the law of conservation of momentum. A Log-Gamma regression model is fitted to measure speed change (ΔV(s)) of the subject vehicle based on the identified crash characteristics. The kinetic energy applied to the subject vehicle is calculated by the model, which in turn uses a Log-Gamma Regression Model to estimate the Injury Severity Score of the crash from the calculated kinetic energy, crash impact type, presence of airbag and/or seat belt and occupant age.


Language: en

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