A high bandwidth interface for haptic human computer interaction

doi:10.1016/S0957-4158(00)00024-6

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A high bandwidth interface for haptic human computer interaction

2001-06-01

PRE

Steven A. Wall

William Harwin

DOI：10.1016/S0957-4158(00)00024-6

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Abstract

En 中文

Current force feedback, haptic interface devices are generally limited to the display of low frequency, high amplitude spatial data, A typical device consists of a low impedance framework of one or more degrees-of-freedom (dof), allowing a user to explore a predefined workspace via an end effector such as a handle, thimble, probe or stylus. The movement of the device is then constrained using high gain positional feedback, thus reducing the apparent dof of the device and conveying the illusion of hard contact to the user. Such devices are, however, limited to a narrow bandwidth of frequencies, typically below 30 Hz, and are not well suited to the display of surface properties, such as object texture. This paper details a device to augment an existing force feedback haptic display with a vibrotactile display, thus providing a means of conveying low amplitude, high frequency spatial information of object surface properties. (C) 2000 Elsevier Science Ltd. All rights reserved.

Keywords:

haptic

touch

tactile

HCI

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