Characteristic Vehicular Deceleration for Known Hazards

Paper #:
  • 1999-01-0098

Published:
  • 1999-03-01
Citation:
Roenitz, E., Happer, A., Johal, R., and Overgaard, R., "Characteristic Vehicular Deceleration for Known Hazards," SAE Technical Paper 1999-01-0098, 1999, https://doi.org/10.4271/1999-01-0098.
Pages:
20
Abstract:
This paper quantifies the deceleration of motor vehicles as they were routinely stopped for an expected hazard in a real world environment. It was observed that the deceleration rate varied non-linearly, with a peak value of about 0.25g as the vehicle decelerated through the speed range of 20 to 30 km/h. This deceleration pattern was common to all evaluated categories of passenger vehicles.A mathematical model was developed to define the deceleration profile; enhancement of this model yielded predictive relations for the velocity, position and remaining braking time of decelerating passenger vehicles.
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