Journal
6TH INTERNATIONAL CONFERENCE ON APPLIED HUMAN FACTORS AND ERGONOMICS (AHFE 2015) AND THE AFFILIATED CONFERENCES, AHFE 2015
Volume 3, Issue -, Pages 2777-2783Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.promfg.2015.07.717
Keywords
Commercial motor vehicle (CMV); Driver performance; Adaptive cruise control (ACC); Weather conditions; Naturalistic data
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The purpose of this study was to investigate how commercial motor vehicle (CMV) drivers' performance with adaptive cruise control (ACC) was affected by weather conditions. The study analyzed 33,000 hours of naturalistic data across 78 CMV drivers throughout the United States. It was found that drivers set their ACC speed to an average of 63m/h, regardless of weather conditions. It was also found that users of one brand ACCallowed the system to control the headway of the vehicle for 7.4% of the time in adverse weather compared to 6.0% of the time in non-adverse conditions. Finally, the study found that the mean headway in adverse conditions was longer using ACC compared to manual driving across both brands ACC. Manufacturers of ACC systems do not recommend their use in adverse conditions, and their observed use in this study indicates their performance in adverse weather needs to be better understood. (C) 2015 Published by Elsevier B.V.
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