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IEEE Virtual Reality Conference 2001 (VR 2001)
A New Design of Haptic Texture Display-Texture Display2-and Its Preliminary Evaluation
Yokohama, Japan
March 13-March 17
ISBN: 0-7695-0948-7
Yasushi Ikei, Tokyo Metropolitan Institute of Technology
Mariko Yamada, Tokyo Metropolitan Institute of Technology
Shuichi Fukuda, Tokyo Metropolitan Institute of Technology
In this paper, we describe a new design of haptic Texture Display consisting of fifty vibratory pins that evoke a virtual touch sensation of textured surfaces contacted to the user's fingerpad. A pin drive mechanism was fabricated by adjusting a natural frequency to expand the displacement of a piezoelectric actuator efficiently. An improved control system enabled fine amplitude changes in 200 steps. Sensation intensity was scaled and indicated by a power function of pin amplitude. As a fundamental evaluation data, we measured the difference threshold of object's spatial frequency presented on the display, regarding four intensity waveforms.Moreover, matching tests between real and virtual textures were performed to evaluate the quality of presentation.
Citation:
Yasushi Ikei, Mariko Yamada, Shuichi Fukuda, "A New Design of Haptic Texture Display-Texture Display2-and Its Preliminary Evaluation," vr, pp.21, IEEE Virtual Reality Conference 2001 (VR 2001), 2001
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