Sign up & Download
Sign in

A Critique of Single Point Sensing

by David S Breed, W Thomas Sanders, Vittorio Castelli
Sae ()

Abstract

In two previous SAE papers by the authors, supporting analysis was presented showing the difficulty in achieving a timely response to real-crash events using a single point sensor mounted in the non-crush zone of the vehicle (tunnel, cowl, etc.). The analysis demonstrated the propensity to deploy the air bag(s) late during certain of these events. If a vehicle occupant was not wearing a safety belt, the deceleration forces of the crash could place the occupant out of position and resting against the air bag when it was deployed. In another SAE paper by H. J. Mertz et al, the authors demonstrated that animals, used as surrogates for humans, could be injured if positioned against an air bag at the time of deployment.Arguments are presented here to show that there is insufficient information in the crash pulse as sensed in the non-crush zone to deploy an air bag in time for the unbelted occupant. It is, therefore, not possible to create an algorithm for an electronic sensor, based on the crash pulse information in the non-crush zone alone, which will initiate air bag deployment in time for all cases. Therefore, sensing in the crush zone is required.

Cite this document (BETA)

Readership Statistics

7 Readers on Mendeley
by Discipline
 
 
 
by Academic Status
 
43% Doctoral Student
 
29% Other Professional
 
14% Ph.D. Student

Sign up today - FREE

Mendeley saves you time finding and organizing research. Learn more

  • All your research in one place
  • Add and import papers easily
  • Access it anywhere, anytime

Start using Mendeley in seconds!

Already have an account? Sign in