指先圧迫による擬似反力提示装置の提案と試作

概要

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A pseudo-force-feedback method is proposed that induces tactile sense to each fingertip by its tightening. The concept of the method is limiting the display sense to tactile alone, in contrast to the conventional force-feedback devices stimulate both tactile and proprioceptive receptors by applying actual reaction force. The prototype device was controlled with open-loop controller with high-voltage initial acceleration pulse to reduce the device delay. The prototype device attained the tightening force up to 2.3N. The perceived reaction force sense by the users correlated with the applied contact force. The prototype two-fingered grasping device demonstrated that the wide range of virtual objects, from 10 to 70mm, were successfully recognized. The subjective sensation of grasping was more resemble to actual objects than the substitutive method using vibration.
2007-03-31