Fusion of Vibrotactile Signals Used in a Tactile Display in Computer Aided Surgery

Authors:
Melina Brell;Dirk Roßkamp;Andreas Hein
Affiliations:
Department of Computing Science, University of Oldenburg, Germany;Department of Computing Science, University of Oldenburg, Germany;Department of Computing Science, University of Oldenburg, Germany
Venue:
EuroHaptics '08 Proceedings of the 6th international conference on Haptics: Perception, Devices and Scenarios
Year:
2008

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Abstract

In this paper the humans' hand movement as response to a vibration signal is presented. The signal thereby is composed of single vibration stimuli. The results of this study are used for signal generation of a tactile display for computer aided surgery. Each of the display's tactors represents one movement direction of the hand. To present directions between single movement axes it is necessary to combine single vibration signals. Therefore an experiment is presented to examine the fusion of single tactile signals. The experiment is divided into three parts to compare three different ways of merging vibration signals. Best results were achieved with a modulation of the pulse duty factor.