Using a Vibrotactile Seat for Facilitating the Handover of Control during Automated Driving

Studieshavefoundthatdriverstendtoneglecttheirsurroundingtrafficduringautomateddriving. Thismayleadtoalateandinefficientresumptionofcontrolincaseofhandoverofthedrivingtaskto thedriver.Theauthorsevaluatedtheeffectivenessofavibrotactileseatdisplayingspatialinformation regardingvehiclesapproachingfrombehindtoenhancethedriverpreparednesstothehandoverof control.Asimulatorexperiment,involving26participants,showedthatwhendriverswererequired toregaincontrolofthevehicle,havingavibrotactileseatimprovedspeedandefficiencyofreactions inscenariosrequiringlanechangingimmediatelyfollowingahandover.Inaddition,eye-tracking analysisshowedthattheparticipantshadmoresystematicscanpatternsofthemirrorsinthefirsttwo secondsfollowingthetransitionofcontrolrequest.Interestingly,thiseffectexistsin-spiteofthefinding thatduringautomateddrivingmode,havingavibrotactiledisplayledtofewerglancesattheroad. KeywoRDS Automated Driving HMI, Driving Simulator, Eye Tracking, Handover of Control, Haptic Feedback, Vibrotactile Displays, Vibrotactile Seat

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