Quantitative Steering of a Driving Simulator by Steady-state Visual Evoked Potentials

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  • 定常視覚誘発電位によるドライビングシミュレータの定量的ステアリング操作(<特集>VR心理学4)
  • 定常視覚誘発電位によるドライビングシミュレータの定量的ステアリング操作
  • テイジョウ シカク ユウハツ デンイ ニ ヨル ドライビングシミュレータ ノ テイリョウテキ ステアリング ソウサ

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Abstract

We aimed to develop a driving simulator that can be steered by neural signals without handling a steering wheel. It will be a pre-prototype of future vehicles utilizing human psychological and physiological information. We developed a driving simulator that uses steady-state visual evoked potentials (SSVEP) to control steering. First, we conducted a basic experiment to measure SSVEPs using two flickering checker patterns, which were located apart right and left and had different reversal frequencies. When observers looked at one of 7 positions between two checkers, observers' SSVEPs quantitatively changed depending on the distance between the fixation point and the left/right checkers. Then, we made a simple algorithm to calculate a steering angle from SSVEPs, and applied it to a driving simulator. Some naive drivers could steer a car only with SSVEPs along a curving course in real-time. However, there were large individual differences and instabilities of performance across different courses.

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