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日本バーチャルリアリティ学会論文誌
Vol. 22 (2017) No. 3 p. 325-334

記事言語:

http://doi.org/10.18974/tvrsj.22.3_325

特集論文

This paper describes the development of a multitouch haptic interface equipped with a movable touchscreen. When the relative position of two of a user's fingertips is fixed on a touchscreen, the fingers can be considered a hand-shaped rigid object. In such situations, a reaction force can be exerted on each finger using a three-degrees of freedom (3DOF) haptic interface. In this study, a prototype 3DOF haptic interface system comprising a touchscreen, a 6-axis force sensor, an X-Y stage, and a capstan drive system was developed. The developed system estimates the input force from fingers by using sensor data and each finger's position. And, the system generates reaction forces from virtual objects to the user's fingertips by controlling the static frictional force between each of the user's fingertips and the screen. The system enables users to perceive the shape of two-dimensional virtual objects displayed on the screen. Moreover, users can deform elastic virtual objects, and feel their rigidity through the interface. The effectivity of the prototype system was confirmed through some evaluation experiments.

Copyright © 2017 特定非営利活動法人 日本バーチャルリアリティ学会

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