This study demonstrates the need for a holistic safety-impact assessment of an advanced driver assistance system (ADAS) and its effect on eye-glance behaviour. It implements a substantial incremental development of the what-if (counterfactual) simulation methodology, applied to rear-end crashes from the SHRP2 naturalistic driving data. This assessment combines (i) the impact of the change in drivers’ off-road glance behaviour due to the presence of the ADAS, and (ii) the safety impact of the ADAS alone. The results illustrate how the safety benefit of forward collision warning and autonomous emergency braking, in combination with adaptive cruise control (ACC) and driver assist (DA) systems, may almost completely dominate the safety impact of the longer off-road glances that activated ACC and DA systems may induce. Further, this effect is shown to be robust to induced system failures. The accuracy of these results is tempered by outlined limitations, which future estimations will benefit from addressing. On the whole, this study is a further step towards a successively more accurate holistic risk assessment which includes driver behavioural responses such as off-road glances together with the safety effects provided by the ADAS.
Holistic assessment of driver assistance systems: how can systems be assessed with respect to how they impact glance behaviour and collision avoidance?
IET Intelligent Transport Systems ; 14 , 9 ; 1058-1067
2019-08-05
10 pages
Article (Journal)
Electronic Resource
English
autonomous emergency braking , safety benefit , ADAS , SHRP2 naturalistic driving data , accident prevention , safety impact , impact glance behaviour , simulation methodology , rear-end crashes , collision avoidance , off-road glance behaviour , induced system failures , driver information systems , substantial incremental development , advanced driver assistance system , road safety , risk analysis , eye-glance behaviour , holistic safety-impact assessment , driver behavioural responses , braking , safety effects , forward collision warning , off-road glances , risk management
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