Simulator Motion Sickness Evaluation Based on Eye Mark Recording during Vestibulo-Ocular Reflex

Paper #:
  • 2014-01-0441

Published:
  • 2014-04-01
DOI:
  • 10.4271/2014-01-0441
Citation:
Adachi, T., Yonekawa, T., Fuwamoto, Y., Ito, S. et al., "Simulator Motion Sickness Evaluation Based on Eye Mark Recording during Vestibulo-Ocular Reflex," SAE Technical Paper 2014-01-0441, 2014, doi:10.4271/2014-01-0441.
Pages:
6
Abstract:
The driving simulator (DS) developed by Toyota Motor Corporation simulates acceleration using translational (XY direction) and tilting motions. However, the driver of the DS may perceive a feeling of rotation generated by the tilting motion, which is not generated in an actual vehicle. If the driver perceives rotation, a vestibulo-ocular reflex (VOR) is generated that results in an unnecessary correction in the driver's gaze. This generates a conflict between the vestibular and visual sensations of the driver and causes motion sickness. Although such motion sickness can be alleviated by reducing the tilting motion of the DS, this has the effect of increasing the amount of XY motion, which has a limited range. Therefore, it is desirable to limit the reduction in the tilting motion of the DS to the specific timing and amount required to alleviate motion sickness. However, the timing and extent of the VOR has yet to be accurately identified.This paper describes how the eye movement of the driver was used to measure the positional deviation between the gaze of the driver and images caused by unnecessary VOR. This enabled the identification of the timing and extent of the VOR. It is planned to use this knowledge to efficiently control the tilting motion of the DS.
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