Citation

Nalecz AG. Int. J. Veh. Des. 1989; 10(3): 321-346.

Affiliation

Univ of Missouri-Columbia, Columbia, MO, USA

Copyright

(Copyright © 1989, Inderscience Publishers)

DOI

unavailable

PMID

unavailable

Abstract

The time-domain sensitivity analysis of the vehicle tripped rollover model is conducted utilizing sensitivity methods developed by the University of Missouri-Columbia. The eight-degree-of-freedom tripped rollover model simulates the motion of a light vehicle which skids laterally on pavement and then impacts with a curb. Based on energy considerations, the rollover prevention energy reserve (RPER) of the vehicle is derived and used as an indication of vehicle rollover stability. The sensitivity of the RPER to vehicle and roadway parameter changes is investigated using percentage sensitivity functions and various sets of initial conditions. The sensitivity results show that vehicle geometry and wheel-suspension deformation parameters are by far the most influential characteristics in tripped rollover.