Abstract
Motion sickness in passengers of automated vehicles could prevent users from taking advantage of the automation features, as well as lead to unsafe takeover conditions. To conduct motion sickness research, the first step requires motion sickness induction, and its verification. In the current study, twenty-nine participants experienced being a passenger in a fully self-driving vehicle on a motion-based driving simulator. A Control route designed to mimic typical driving conditions on a driving simulator, and a Treatment route that produced large lateral accelerations were tested. The Treatment route was also tested with a non-driving related task (NDRT). Results showed that exposure duration and increased lateral accelerations significantly increased motion sickness. Addition of the cognitively demanding NDRT led to a reduction in motion sickness, suggesting the possibility of a masking effect when engaged in an NDRT in an automated vehicle. Overall, the designed Treatment route was verified to successfully induce motion sickness.
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