The purpose of this study is to clarify how to explain the system limitations in terms of possibility of hazard detection failure under partial driving automation, which is the level 2 of driving automation defined by Society of Automotive Engineers (SAE). Different from level 3 of driving automation which is supposed to issue Request to Intervene (RTI) to the driver whenever system limitations, an RTI may not be issued by the level 2 system because it is possible that the level 2 system fails to detect a hazard or understand the situation accurately which system cannot deal with. Under level 2, a driver therefore needs to understand the situation accurately and intervene in driving operation when necessary. This study focuses on whether explanation on the traffic scenes where the driving automation system may fail to detect a hazard has an impact on driver intervention or not. An experiment is conducted with a driving simulator (DS) in which the host vehicle is equipped with a driving automation system at level 2. A between-participants design is employed in our experiment. We have 30 participants, half of them are explained the possible traffic scenes and the other half are not. The participants are expected to find out the hazard which the system cannot detect a hazard by itself and to intervene in driving operation. The results show that drivers who were explained the possible scenes can deal well when the automation fails. According to the results, it may be claimed that it is necessary for car makers/dealers to explain to drivers on possible scenes where the driving automation system may fail to detect a hazard.


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    Title :

    The Impact of Explanation on Possibility of Hazard Detection Failure on Driver Intervention under Partial Driving Automation


    Contributors:


    Publication date :

    2018-06-01


    Size :

    979998 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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