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Impact of Alert Design and Hazard Direction on Driver Behaviour and Understanding in a Simulated Autonomous Vehicle

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Title: Impact of Alert Design and Hazard Direction on Driver Behaviour and Understanding in a Simulated Autonomous Vehicle
Author: Cortens, Benjamin
Department: School of Computer Science
Program: Animal and Poultry Science
Advisor: Nonnecke, BlairTrick, Lana
Abstract: Future autonomous vehicles may offer systems where control authority varies between human and full automation. These vehicles are most dangerous when human intervention is required after long periods of supervising autonomous during which they become distracted and are left unprepared to retake control. This thesis investigates the importance of examining both the hazard situation and the design of the alert requesting driver intervention or attention. Two alert designs were tested, one provided only auditory feedback and one provided audio-visual feedback featuring a heads-up-display. Results indicated audio-visual alerts allowed participants to respond more quickly and improved their situation awareness relative to audio-only alerts. These differences were largest for peripheral rather than frontal hazards, highlighting the importance of testing takeover in a variety of situations. Though further research is necessary, both alert design and the nature of the hazardous situation contribute the time required to safely retake control from automation.
URI: http://hdl.handle.net/10214/15935
Date: 2019-04
Rights: Attribution-NoDerivatives 4.0 International
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Attribution-NoDerivatives 4.0 International Except where otherwise noted, this item's license is described as Attribution-NoDerivatives 4.0 International