AN EXTENDED EVALUATION OF THE BEHAVIORAL EFFECTS OF DRIVING IN A PROTOTYPE INTELLIGENT VEHICLE

The long-, or even middle-term, evaluation of the effects of advanced driver supports have suffered from neglect in comparison to "single-shot" experiments taking, at most, a few hours. The study reported in this paper assessed behavior as it developed while driving for a total of 12 hours in a prototype intelligent vehicle containing the GIDS-support system. GIDS comprises a navigation support, a collision avoidance system, and a speed limiter, whose functions are prioritized and scheduled by a central supervisor. The experimental group was compared to a control group who drove the same vehicle, but with its intelligence switched off. The distributions of speed, speed variability, and time to collision were measured as well as heart rate and subjective indicators of experienced mental load. The following effects were observed to develop over the 12 initial hours of experience: 1) a gradual decrease in the mental load experienced in the vehicle; 2) a gradual decrease in the amount of very close following of preceding vehicles; and 3) a gradual decrease in average speed and in speed variability. It is concluded that the beneficial effects of the intelligent support grow considerably, at least during the first 12 hours of experience. Thus, no evidence was found that initial beneficial effects would be diminished because of getting used to the support.

  • Supplemental Notes:
    • Five volumes of papers and one volume of abstracts comprise the published set of conference materials.
  • Corporate Authors:

    VERTIS

    TORANOMOM 34 MORI BUILDING 1-25-5
    TORANOMON, MINATOKU, TOKYO 105  Japan 
  • Authors:
    • Janssen, W
  • Conference:
  • Publication Date: 1995-11

Language

  • English

Media Info

  • Pagination: p. 1773

Subject/Index Terms

Filing Info

  • Accession Number: 00723473
  • Record Type: Publication
  • Report/Paper Numbers: Volume 4
  • Files: TRIS
  • Created Date: Jul 29 1996 12:00AM