Sensory Properties by Using a Vibration Speaker-type Haptic Interface

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  • TANABE Takeshi
    Graduate School of Systems and Information Engineering, University of Tsukuba
  • YANO Hiroaki
    Faculty of Engineering, Information and Systems, University of Tsukuba
  • IWATA Hiroo
    Faculty of Engineering, Information and Systems, University of Tsukuba

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Other Title
  • 振動スピーカを用いた力覚提示手法の知覚特性
  • シンドウ スピーカ オ モチイタ リョクカク テイジ シュホウ ノ チカク トクセイ

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This paper describes the properties of proprioceptive sensations induced by an asymmetric vibration using a vibration speaker-type non-grounded haptic interface. We confirm that the vibration speaker generates a perceived force that pulls or pushes a user's hand in a particular direction when an asymmetric amplitude sound signal that is generated by inverting a part of a sine wave is input. We conducted 5 psychophysical experiments and evaluated the subjects' physical properties in order to apply this phenomenon for a variety of applications. As a result, we confirmed that the vibration speaker was able to control both the direction and magnitude of the reaction force by changing the input signal.

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