AN INTERVEHICULAR SPACING DISPLAY FOR IMPROVED CAR-FOLLOWING PERFORMANCE
A DRIVER'S INABILITY TO DETECT SMALL HEADWAY CHANGES AND SMALL RELATIVE VELOCITIES IS A PRIMARY REASON FOR HIS POOR CAR-FOLLOWING PERFORMANCE. THIS CAN BE GREATLY IMPROVED IF HE IS GIVEN INFORMATION--HEADWAY AND RELATIVE VELOCITY-- CONCERNING THE STATE OF A LEAD CAR. THIS MAY BE PROVIDED VISUALLY, TACTUALLY, OR AUDIBLY. IN THE STUDY REPORTED, A CONTROL STICK WITH A BUILT-IN KINESTHETIC TACTILE DISPLAY WAS TESTED IN A CAR-FOLLOWING SITUATION. PERFORMANCES WITH THIS DISPLAY WERE COMPARED TO THOSE OBTAINED WHEN NO AIDING WAS USED IN A SIMILAR SITUATION. SIZEABLE REDUCTIONS IN VEL- OCITY VARIANCE AND HEADWAY VARIANCE WERE OBTAINED WHEN NO AIDING WAS USED IN A SIMILAR SITUATION. SIZEABLE REDUCTIONS IN VELOCITY VARIANCE AND HEADWAY VARIANCE WERE OBTAINED FOR THE AIDED CASE RELATIVE TO THE UNAIDED CASE. THESE WERE OB- TAINED FOR THE AIDED CASE RELATIVE TO THE UNAIDED CASE. THESE WERE OBTAINED FOR HEADWAYS OF 23 FT. AT 30 MPH, AND 33 FT. AT 40 MPH. THUS, THIS DISPLAY CAN BE EFFECTIVELY USED AT SHORT HEADWAYS.
-
Supplemental Notes:
- Vol 9, No 2, PP 20-35
-
Corporate Authors:
Ieee Trans Man-machine Systems
, -
Authors:
- Fenton, R E
- Montano, W B
- Publication Date: 1969-2
Media Info
-
Serial:
- Psychological Abstracts
- Publisher: American Psychological Association
Subject/Index Terms
- TRT Terms: Detection and identification; Detectors; Following distance; Headways; Information display systems; Performance tests; Variance; Velocity
- Uncontrolled Terms: Change
- Old TRIS Terms: Displays; Following distance (Of vehicles); Relativity
- Subject Areas: Highways; Safety and Human Factors;
Filing Info
- Accession Number: 00220568
- Record Type: Publication
- Source Agency: Nat Safety Council Safety Res Info Serv
- Files: TRIS
- Created Date: Jan 5 1970 12:00AM