Development and Evaluation of Locomotion Interface using Walking-in-a-Real-Place (WARP)

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  • 足踏式空間移動インタフェース(WARP)の開発と評価
  • 足踏式空間移動インタフェースで(WARP)の開発と評価
  • アシブミシキ クウカン イドウ インタフェース デ WARP ノ カイハツ ト ヒョウカ

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Abstract

A locomotion interface using walking-in-place for virtual reality was developed. The estimated equivalent walking velocity by the developed algorithm reflected the stride length as well as the stride frequency. Because the estimation can be performed at every phase of the walking, it allows the velocity estimation without phase delay. The average estimated velocity well reflected the actual walking velocity in a treadmill experiment. The psychophysiological experiments also showed a good correlation between the average estimated velocity and the walking velocity in the same pace as the walking-in-place. The most natural velocity for the users was also examined by varying the proportional rate of the view-point moving velocity to the estimated velocity with PC-baesd VR system. The most favorable velocity was the estimated velocity. The physical load was about eighty percent of the treadmill walking. It was concluded that the developed system has a potentioal as a low-cost locomotion interface for VR.

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